Car Designs and Faulty Head Gaskets In overhead cam engines, the gasket can only be accessed by taking out the front and top of the engine, which usually entails removal of … Says it's … Leaking oil from the timing belt cover commonly results in engine overheating as well and can prematurely wear the timing belt. It lasted about 30k miles. Remove the 8 timing chain cover bolts and ease the cover over end of crankshaft to remove. Oil on the belt could cause it to slip on the pulleys it drives, which causes a new set of problems and can leave you stranded and damage your engine. Is Your Timing Cover Gasket Failing? Here's How to Tell My '95 Taurus GL 3.8L V6 has been leaking antifreeze the past couple of weeks. No coolant in the oil pan. If you are not finding any coolant in the oil, consider yourself lucky; however, this is still not an easy fix. 4.7 V8 - light coolant leak when cold, timing cover gasket ... I had a coolant leak that was coming out of the timing cover. Less oil in the engine not only increases wear and … Thought it was my water pump before I dug into it. The customer wrongly assumed that it was a manufacturer defect. You'll need to replace the water pump gasket and the timing chain cover gasket. To replace the head gasket, the repair covers the thermostat, head gasket, valve cover gasket, oil change, and a filter. ('06-'08) - Phantom Coolant Leak - Timing Cover? | Subaru ... I ordered a new gasket kit ( with seal). Coolant leak behind timing cover The gasket on one or both are leaking. Dodge Ram: How to Stop Coolant Leak | Dodgeforum We didn’t know we had to smear silicone sealant over the timing cover joint. Image 3) Water pump removed from an Audi 3.0L with less than 5,000 miles due to leaking. The timing cover has a weep hole to allow coolant to drain when the water pump leaks. I'd take another look at the leak, the TCC gasket goes out eventually in V8 ZJ's. Timing cover leak Ant-freeze leak from behind timing chain cover ... Home, Auto Repair Library, Auto Parts, Accessories, Tools, Manuals & Books, Car BLOG, Links, Index How to Diagnose and Repair Carburetor Problems by Larry Carley copyright 2019 AA1Car.com. Another issue that will cause oil to leak is when the gasket between the engine block and timing cover wears out, is cracked or has been improperly installed and is pinched. will try to post pictures. It looks coolant to me. because if there was coolant coming out of your timing cover you would have one strange ass coolant leak and a big shitty problem on your hands. The pressure test revealed a leak in the timing cover gasket at the coolant channel. No coolant in the oil pan. They traced the leak from behind the timing chain cover and told me to find a good mechanic as they don’t fix that kind of problem. The amount of coolant leaking fluctuates. To decide which head gasket is right for you, it's important to understand the nature of the problem you're experiencing. It is recommended that the timing belt is replaced every 70k miles. All these things make replacing the gasket a relatively expensive maintenance item. as long as it is not leaking where the lower intake manifold meets the cylinder headif it is not leaking from there and its from the water pump area either the coolant is leaking out of the water pump weep hole on the bottom of the water pump behind the pulley or the water pump gasketthose are the only 2 things that will leak in the water pump to timing cover mountingand if wither are … After the head gasket has been replaced, a sealing agent is usually applied in order to be able to seal the cylinder head securely. May need to have the it replaced as well. The timing chain cover gasket is a common culprit when a stubborn leak won't show its ugly head. on top of that there was an oil leaking into my spark plug tube in cylinder 4 (if … Haz. The gasket on one or both are leaking. The Pontiac built engine used a unique water pump set up, it is a two-piece system that uses the timing chain cover, pull the pump off and check the seals that go through it. I got the bolts kind of mixed up but i think i got them in the right places. Needed new gasket big job took it to local shop had them put a oil pan gasket on it since they have to remove so much to change the timing cover gasket. You may not even see any visible leaks coming from your vehicle on the outside. I'm having a **** of a time getting the coolant channels between the timing cover and the block to seal up water tight on my 2003 KJ 4x4 3.7l Vin K. I'm up to 6 or 7 times now where I get everything together and wait the 24 hours only to pour a gallon of distilled water into the reservoir and find it leaks behind the timing cover. In my case, the Bar's Stop Leak did stop the freeze plug leak, but also eventually caused or exacerbated the coolant leak at the timing cover! If you are not finding any coolant in the oil, consider yourself lucky; however, this is still not an easy fix. Well it seems like I've developed a nice pi$$ing collant leak from the front timing cover gasket. I'm planning on getting the parts this weekend and replacing the gasket and probably the water pump as well. Hey guys, my '02 Ranger 3.0L Edge has been leaking coolant for the 2 years I've had it, but it was always slow/intermittent so I didn't really look into it. I was planning on replacing the timing belt and everything else at 50k because I have heard that there are issues with this vehicle. Because the valve cover or the valve cover gasket on E46s will go bad around 60k miles, you’ll find this is the #1 repair on these vehicles. My only concern is for the safety of the truck due to the location of the leak. Using a head gasket sealer is a more temporary and cost-effective method, as compared to a permanent head gasket repair. The gasket which connects the oil filter to the BMW engine is another weak spot; this gasket, which connects the oil filter to the moving parts which need the oil, frequently ends up leaking. But NO! Water % Percentage of water found in sample given as a percentage of total volume. Leak from Turbo O ring is known issue in some early cars. This can cause your drive and timing belts to go bad. the front main seal starts to get damp after a while, but you find me an 03 with a bone dry seal and ill … You'll need Tool #'s 8511, 8512, and 8348 to take the old seal out and put the … Answer: Valve Cover Gaskets, Head Gasket, Rear Main Seal, Front Main Seal, Timing Cover, Oil Pan Gasket, Oil Drain Plug, Oil Filter, Dip Stick Inlet, Crack in the Block, Oil Cap, and anywhere that water can leak from if the block or head gasket has ruptured and allowed oil and water to mix. Radiator leak is known, you should get a new radiator. Quoted $850 (w/water pump installation), $750 for leak repair. well its obviously the back cover on the pump leaking and not coming out of your timing cover. I was wondering if it could be leaking and if it is possible to do the job myself without having to disconnect any lower motor mounts. An overheated engine is a continuation of the coolant leaking problem. Developed the same leak 13 months later (now out of warranty). I got the harmonic balancer off , timing cover off and oil pan off. I was quoted $200 cheaper by another reputable mechanic. Subaru's EJ257 was a turbocharged, 2.5-litre horizontally-opposed (or 'boxer') four-cylinder engine. May need to have the it replaced as well. Took it to Firestone and they say the water pump is fine and the leak is coming from the timing cover. N20 timing chain failure, valve cover and gasket leak, oil filter housing gasket leak, etc. 5. A broken gasket is not the only reason why oil might be leaking from the timing cover. In some cases the timing cover may be cracked, especially if it is manufactured out of plastic. If you notice that oil is leaking from the center of the motor, near the front, it may be due to a faulty timing cover or timing cover gasket. But a few weeks later it was leaking again. Step 1: Install the new gaskets and seals. The dealer did a coolant pressure test found the leak is at the timing cover. Sep 9, 2012. The only place leaking was the timing cover to block gasket. GX460 coolant leak – a hidden leak from deep in the engine. My thought was the water pump seal to the timing chain, but maybe the cover itself. First of all I just want to make sure that makes sense, I though … I've got a question that I hope hasn't been asked before, does the timing chain cover on the 3400 in a 2003 impala have any coolant channels in it? Whether the leak is coming from the timing cover or timing cover gasket, the problem would be the potential of oil getting onto the belts. Hi, everyone, I have a coolant leak from the timing cover on my 2003 Mercury Sable. Wait for the fender bender that totals it. Nov 5, 2020. Although the timing cover is not a moving part, from time to time damage may be done to the cover or the gasket inside that will require service or replacement by an ASE certified mechanic. As it has been explained to me, it is coming from the side of the engine that has aluminum housing, where the timing chain goes. Scotty walked me through it and was fairly easy. I got the harmonic balancer off , timing cover off and oil pan off. Only RTV is used around the cover perimeter so if you have a bad oil leak it is most likely the front main seal.It can be replaced with the cover still on the engine - you can find the appropriate Miller tools on eBay and other places like that. unless you are talking about the gasket that sits between the timing gear HOUSING and the block. Should I just try to replace that gasket and the water pump one at the same time? You should expect to start seeing results after 100-200 miles of driving. This fist one was taken when I noticed the leak last week. I have a small coolant leak in that same spot. Percentage of antifreeze found in the sample given as a percentage of total volume. Only show this user. I thought there must be a gasket there but that is in the middle of the timing chain cover. ive only had one come into the shop was like a 07 grand prix with the 3.8 with a timing cover leak right below the coil packs. I had a coolant leak from a timing chain cover bolt. Need to make sure where the leak is coming from. At the same time it is also checked for fissures or other damage. As well as the usual coolant water leaks associated with my Chrysler Voyager 3.3 V6 (2000) e.g. I'm leaking coolant from both and the dealer wants approx $1600 to do both, ($470 for the pump, $1100 for the gasket). Time-consuming, but no problem. Head Gasket Sealer Vs Replacement of the Gasket. The water pump bolts to the timing chain cover, that has two ports going into the motor. I was too cheap. First thing is to make sure you have the proper 6 pellets of the GM coolant supplement/sealer in the system. Only show this user. Then the leaking head gasket will be removed and the contact surfaces thoroughly cleaned. Not sure if it is the timing chain cover gasket but it sure might be. Then there are coolant seals and intake seals that typically outlast the oil seals but will also fail eventually. For what it's worth, I had a timing cover leak on my wife's Dodge Caravan 3.8L v6. Also, while you're in the, I'd replace the timing chain as it's cheap and should be done. For Australia, the EJ257 engine was introduced in the Subaru GD Impreza WRX STi in 2005 and subsequently powered the GE/GH Impreza WRX STi and V1 WRX.Effectively replacing the 2.0-litre EJ207 engine, the EJ257 engine was a member of Subaru’s Phase II EJ engine … I am going to go ahead and replace it and see what's what. If the timing cover held in the coolant that leaked from the water pump, it would put it into the oil, which would be a Bad Thing. ... or it will start leaking coolant. After removal, inspect the cover for corroded aluminum. I haven’t done anything about it except pour a 75% water to 25% coolant mix in for the last 3+ years now. The cover has 2 coolant passages. Like the title says, I'm looking for information on changing my timing cover gasket and water pump on my 05. In case of cars that have a timing chain, the timing cover secures the front section of the engine block with the help of a timing cover gasket. Search timing cover gasket. The timing cover has a gasket that allows the cover to be securely attached to the engine block. Over time and due to exposure to heat, dirt, road grime , and more, the gasket can often become cracked or wear out. This will reduce the tightness of the timing cover and may result in oil escaping the engine and leaking onto the ground. 6. 2.5 years later (Sep 2017) I saw it leaking again at 205k miles. Edit: the top of the timing cover to intake has a rubber seal to keep coolant from leaking, pull the pump off and you'll see it. I am currently in the process of replacing the timing chain cover gasket along with all the other ones that sit on top of it. The leak seems to be coming from the area where the pulleys are. In case of cars that have a timing chain, the timing cover secures the front section of the engine block with the help of a timing cover gasket. In this way, the timing gears and chain receive lubrication with the engine oil. If the timing cover gasket breaks, you will notice engine oil leaking. It was pretty clear that the coolant was leaking right by the passages. My car started leaking a sizable amount of coolant recently and I suspected the water pump to be the problem. If the timing cover gasket breaks, you … I've got a coolant leak from my timing cover. Turns out its leaking between the timing cover and block. Wipe and dry all the wet spots then try to look for the leak. I finally found the exact spot I had the oil leak on the front back side of engine. Mechanic noticed a coolant leak from timing cover gasket in my 2003 ford taurus whcih has 51,000 miles on it. Where the coolant is leaking is not at the waterpump gasket seal, it is coming out below that about an inch and a half back of and below the right edge of the waterpump. My '95 Taurus GL 3.8L V6 has been leaking antifreeze the past couple of weeks. Everything was as expected. There is also a smaller o-ring on an upper tube into the wtop of the water pump. 1) Timing Cover Gasket Set. even then, as you said, not a common leaker. After pressure testing my intake. The engine is a four-cylinder boxer with two cylinder heads, with camshafts in the heads run by a timing belt. I just noticed an antifreeze leak on the front driver side of the engine. If that was leaking you would see water dribbling down the front of the timing chain cover. Over time, the gasket may crack or fail due to age or other damage resulting in an oil leak. Can you remove the timing cover and change the gasket without pulling the engine? He said it is so minor I shouldn't replace it because it's 8-10 hours of labor which would be like $1000. The timing cover gasket can be expensive to replace due to its location and the accessories surrounding it. I plan on replacing the O rings inside the timing cover as well as the cover gasket. Will the water pump has started leaking. I had the timing cover w/water pump still attached in the palm of my hand. Timing chain cover to engine block water coolant leak. ... Coolant Hoses; Chargepipe; ... the timing chain and components replaced, transmission oil cooler, thermostat. im not convinced it needs replaced. Coolant does pass thru the upper portion of the timing cover from pump to block. However, the other day it dumped probably a half gallon in my driveway so I think it's becoming a real problem. and thats a good thing. The widest variety of rubber fuel hose, PTFE braided AN hose, AN Hardline, AN fittings, and more! Timing cover leak is not common but should be an easy fix. A common cause of leakage that is almost never found. 16. If coolant is leaking from the timing cover then you probably have a gasket blown out between the block and the cover. Here is another image showing how the gasket maker/sealant is to be applied: You can see from the image that if the sealant bead breaks anywhere in the vicinity of the water pump, pressurized coolant will make its way towards the bottom of the cover. The timing cover has coolant passages through it passing coolant between the engine block and the water pump. I pressure checked my truck coolant system today prior to disassembly. I encountered a slight and intermittent coolant leak between the timing chain cover and the left side of the engine block . Now in 2020, the oil filter housing is leaking, as well as the valve cover. They traced the leak from behind the timing chain cover and told me to find a good mechanic as they don’t fix that kind of problem. However, the evidence revealed that the leak was caused both using RTV gasket material and coolant contamination. All the bolts came out easy (some too easy). The labor time to replace a cylinder head gasket is 7.5 hours, or 11.9 hours to replace both cylinder heads. Like many other car parts, timing cover gaskets wear down over time. Notice coolant puddling in the 'valley' on the timing cover, above the fuel pump. There is absolutely NO coolant that runs through/around the timing cover either. Jan 7, 2013. The water pump I believe even shares some of the bolts that bolt thru the water pump and timing cover to the engine block..the timing cover is sandwiched between the pump and engine block. It is excellent for sealing seeps at gaskets and such. It still leaks. UIM is Upper, natch, but to get to the lower you'll do the upper. Incorrect Use Of Water Pump Sealing Agents. Still had leak after change, was under car checking the hose's could not see them leaking grab one and squeezed it coolant sprayed out from behind the timing cover. Answer: If the water pump is leaking coolant because of a faulty gasket or faulty pump, you should be able to see the coolant leaking. 3.0 Timing Cover leak? After he removed the cover, he noticed severe pitting on the aluminum cover in the same area as the leak. I noticed today that my timing cover seal and my water pump gasket were both leaking a small amount of coolant. The timing chain cover is leaking by the alternator. None of the hoses. I'd like to put a DIY together as I do this so I will try and document as best as I can during the process. GX460 oil leak from timing cover explained Toyota and Lexus 2GR-FE 3.5L V6 coolant/head gasket leak Toyota and Lexus coolant replacement and maintenance Toyota and Lexus oil pan gasket leak – resealing the lower oil pan gasket with FIPG It's a slow leak. I've noticed coolant leaking on my engine and it puddles up on top of the timing chain cover as well. Hi everyone, I have a 2008 JK with the 3.8L V6 and it developed a coolant leak. Your timing cover gasket might be hiding a secret — and that secret is that it’s leaking. One common issue is the unnecessary mixing of liquids of an engine together. Same repair as for your engine. Once this happens, your engine will eventually overheat. I am wondering if its the head gasket. The timing cover is constructed of plastic or metal and works in conjunction with the timing cover gasket to keep oil from leaking onto the ground. A Beck/Arnley head gasket kit and new head bolts cost about $207 (which covers both sides). Anything else I should be looking for on a new (to me) 5.0? I brought the car to my local heating & cooling specialists who replaced the radiator a couple of years ago. A common cause of leakage that is almost never found. to see the actual leak jack up passenger side of car support with jack stand take off wheel and the splash guard now you can see the crank shaft pulley look up at waterpump on both side it goes back to engine block with a mirror you can … Update. Answer: Yes, sounds like the timing chain cover gaskets are leaking. The only problem is that the other person's truck (a 1996 Dodge Ram 1500 5.9L) has a pretty decent coolant leak from the timing chain gasket. Step 4 – Check the timing chain cover gasket. Next, remove the drive belt components before unbolting the timing chain cover. 9 mo ago. As the gasket wears down, oil may start to escape from inside the timing cover. All my newer vehicles have no radiator drain plug. 2008 Buick Lucerne. The timing cover gasket provides an air-tight seal between the timing cover and engine block. To test if this one leaks, look under the car where transmission is connected to the engine and you will see 2 rubber caps. the timing housing COVER gasket isnt a gasket at all, its a heavy bead of RTV sealant. If it's a minor leak due to gasket failure or minor corrosion you can sometimes "restore" the sealing surface by gluing emery paper to a scrap piece of plate glass and sliding the cover over the paper with a minimum of downward force, in an "x" pattern, cleaning the residue with Brakleen (or equivalent) and continuing until you have a uniform, shiny surface all around. A valve cover gasket cost $20 and we had it installed in about 20 minutes—it was really easy. Answer: Yes, sounds like the timing chain cover gaskets are leaking. … The former is an ideal temporary solution for when you experience a gasket failure. I guess the seal that separates the housing from the engine is where coolant is leaking out of, which is why I have white steam, some crickitiness, and weird smell coming into … For small leaks, the location matters the most, as a leak from the front crank seal or the timing cover will shorten the life of the timing belt or engine drive belts, while a valve cover gasket leak will get oil on the hot exhaust manifold, potentially causing smoke or even fire. It's most likely the water pump or front intake gasket. I just bought the vehicle and the previous owner said it was coolant spilled from a recent thermostat change. Only show this user. Is this a fair price? Pour snake oil in and hope for the best. I ordered a new gasket kit ( with seal). Just how serious is a coolant leak anyway? This is easy to mistake for a water pump leak. Sunaj. Will also try to harvest a cover from the yard and prep it before hand to make the job faster and easier. The coolant passes the waterpump and is pump into the engine block thru the timing cover. - water pump gasket - new t-stat and gasket - the 4" radiator hose - the hard line coolant hose (goes into water pump) - idler pulley - new belt I will be updating this list with brands/prices as I go for future reference. Often, things like the alternator, power steering pump, and air conditioning compressor must be moved or removed to change the timing cover gasket. The timing chain cover gasket is a common culprit when a stubborn leak won't show its ugly head. Easy fix with revised O ring. Oct 10, 2010. The timing cover gasket or seal keeps oil where it’s supposed to be: inside the timing cover. Complete the oil cooler gasket, valve cover gaskets, timing cover gaskets, and transfer pipe myself, then wait until Valve Stems completely fail. I pulled the timing cover off and an the gasket was in place but i could no be leave it , the gasket had shrunk and was no longer touching the block . My 05 300C only has 53400 miles on it. If that happens, you need to replace the oil seals, timing belt and gasket together. My hoses are new and the thermostat was replaced at … Can it leak coolant from something called the timing belt cover? After removal, inspect the cover for corroded aluminum. Oil on the belt could cause it to slip on the pulleys it drives, which causes a new set of problems and can leave you stranded and damage your engine. It is not uncommon for the radiator to develop a coolant leak. Only show this user. I’ll grab some new bolts at Ace and start reassembly. Yah, sorry - LIM is Lower Intake Manifold gasket. I purchased the only listed timing cover seal kit (Fel-Pro, in this case), and I am thoroughly unimpressed. It has a coolant leak. While a coolant reservoir cap seems like a small component of this massively important system, it plays a vital role in maintaining the radiator's efficiency and overall performance. I have a … Sometimes the cylinder head must also be sanded flat. It was threaded thru the block and into waterjacket, Had to pull bolt and put thread sealer on it. On n62 there's also the rear cover leak between the engine and transmission that leaks coolant. I am wondering what the replacement process looks like for that gasket. i think all we did was timing cover gasket and WP and it was.. like 1-1.2K i think its prob been 2 yrs since we have seen the car. I think vacuum extraction is becoming the norm. This topic contains 4 replies, has 2 voices, and was last updated by Vlad2 2 years ago. Did the Bar's Stop Leak, the old black stuff. If the timing belt or chain needs to be replaced, have our expert mechanics check the timing cover for damage and replace it if needed. Your coolant leak is external from one of the water pump seals that they replaced. The lower left hand port on the casing has an “O” ring for the oil gallery. Depending on your particular model, though, the water pump may be out of sight under a cover. I was thinkling it would be cheap and easy to replace the water pump and gasket while I had it out. I've got my timing cover off to fix a coolant leak from the top of the passenger side. I ripped everything apart and changed the timing cover gasket & water pump gasket. The timing cover gasket is now to blame and replacement for that and a water pump and a coolant kit and service is costing … i dont even think there is a coolant passage behind the cam cover..so.. Had the dealer do it under extended warranty ($800 repair). To change a timing chain, remove the radiator cap, drain the coolant out, and remove the radiator hoses. Some mornings its a small puddle the sizes of a grapefruit and other times its just a drop or two. I removed the drivers side of the timing cover just to see if the belt looked wet and it was dry as a bone and what I could see of the water pump looked dry as well. Do you actually require the special tools for timing the engine. You'll need Tool #'s 8511, 8512, and 8348 to take the old seal out and put the … February 24, 2017 at 7:13 am #876964. There is a thread on it somewhere. I have an 2000 3.3L Dodge Grand Caravan. But, if you say there's nothing in the oil, then it's probably not leaking in behind the cover. The initial complaint is usually loss of Coolant, leaking from a small Weep Hole at the front of the Engine on the Timing Cover; this is commonly misdiagnosed as a Water Pump problem. The vehicle may also have Coolant leaking from the back of the Engine at the Intake Manifold Valley area. The coolant leak is definitely coming from the front part of the engine. After verifying that it's not going to my oil (head gasket) I searched for the leak and found out that it's most likely leaking at the top of the timing cover on the right side of the engine (when facing the car). will try to post pictures. You basically have to remove all the brackets and such to replace the gasket. So if you have coolant in with the chain, it's in the oil. However there is NO white smoke coming from the exhaust and NO milky looking oil on the dipstick or oil filler cap. Press the new seal into the timing cover and tap it with the dead blow hammer until it is flush with the surface of the cover.Apply RTV gasket sealer to the surface of the engine and timing cover where the gasket mounts and stick the gasket to the engine or the timing cover. The timing chain is oiled then drips into the oil pan. I'm guessing that your car has approx 130k or more miles on it. There shouldn't be any coolant dripping when you remove them. As air is pulled down through the throat of the carburetor by intake vacuum, fuel is siphoned from the carburetor's … I was told by a mechanic it was the Timing cover gasket and that it is going to cost $1100 with all the bells and whistles that are associated with coolant leaks (thermostat, hoses, re-flush and the likes). At first I thought it's leaking around the place where the biggest coolant duct in the block is, right behind the oil filter. Then, line the bright links on the timing chain up with the marks on your camshaft and crankshaft gears to get your engine to top dead center. Coolant: Toyota Genuine Fluid 00272-SLLC2 Long Life Coolant - 1 Gallon Thermostat: Genuine Toyota 90916-03100 Thermostat Gasket: If the water pump cover or the engine front cover is warped from previous overtorqueing or something it is possible to have a coolant leak in that area. I've read horror stories of that gasket failing on the inside and coolant mixing with oil, and boom. I pulled the timing cover off and an the gasket was in place but i could no be leave it , the gasket had shrunk and was no longer touching the block . Permatex the heck out of the leaking areas. Timing Cover Gasket Exacerbating the 4.2-liter's problems was a leaking timing cover gasket on all motors installed in 1997 F-150s built through Dec. 31, 1996. The Lexus GX460 and the 4.6 liter 1UR-FE engine can, as it ages, develop a coolant leak from the valley of the engine. Price quotes start at $800 and go up from there depending … Between trips to the auto parts store and dinner, this job that started at 1 and should have … Price quotes start at $800 and go up from there depending … 223. Yes the timing cover gasket can leak coolant. DieselLundbts, I believe this is the front engine cover where the coolant is leaking, right below the ebpv sensor. 4. In my case, I saw coolant running down the timing cover so it was either the water pump gasket or the timing gasket. I put it all back together and started to fill the coolant only to find out a hole got poked in my radiator. I’ll grab some new bolts at Ace and start reassembly. Again, the leak looks to be coming from the passenger side timing cover … I brought the car to my local heating & cooling specialists who replaced the radiator a couple of years ago. The costs add up quickly when these leaks are repaired separately, without adding in valve cover seals, timing cover seals, etc. Tucked away at the front of your engine, the timing cover is often buried under fans, belts, pulleys and other components that make it difficult to inspect, which means you might not automatically connect it to the puddle you’ve found under your vehicle. Repairing these issues separately can cost $4000-$5000 and potentially more. My plan was to simply bring gallons and gallons of coolant and water and pull over on the side of the road frequently. So my ZJ Started leaking an alarming amount of coolant once the system was put under pressure. With the coolant passages going through the timing cover, and using that gasket I was scared to start mine up once it was leaking. I'll cut right to the chase here. Here are the photos. We redid the whole job, including the goop step this time, and it’s been leak-free ever since. Ford recalled those vehicles to effect repairs, but Ford did not recall 1997 F-150s built from Jan. 1, 1997, to May 1, 1997, and equipped with the same gasket. As with coolant tests, cylinder head testing is best done by a professional car technician. The Ford Explorer has been a staple for the company and for people who drive SUVs for a long time. 17. I am leaning toward 1, 2 or 3. Had to change my 2007 gasket 3-4 hour of taking stuff off and putting it back together. The oil pan wraps around the front engine cover and to remove the oil pan you have to pull the motor. CharlesP2009. In this way, the timing gears and chain receive lubrication with the engine oil. May 11, 2013. I wish I knew how to post a photo to show exactly where, but I dont. Got the system pressure tested at a mechanic and he found the leak at the timing cover gasket. They wanted $1000 to fix it and a balked. Radiator, water pump, hoses etc. Only show this user. Press the new seal into the timing cover and tap it with the dead blow hammer until it is flush with the surface of the cover.Apply RTV gasket sealer to the surface of the engine and timing cover where the gasket mounts and stick the gasket to the engine or the timing cover. Feb 26, 2010. Remove the old gasket from the engine and cover with a gasket scraper. I have a v8 96 disco that has started leaking coolant from the timing cover, right hand side just below the dizzy were it bolts to the block, doesn't seem to leak when the engines hot but when left over night coolant leaks down were the timing cover housing bolts onto the block and drips off the bottom of the sump, about 10 drops over night. The coolant dribbled down over the water pump. If that is the culprit, then yes, you have to pull the motor. Jan 15, 2003. Not quite as long as I was expecting. Only RTV is used around the cover perimeter so if you have a bad oil leak it is most likely the front main seal.It can be replaced with the cover still on the engine - you can find the appropriate Miller tools on eBay and other places like that. Whether the leak is coming from the timing cover or timing cover gasket, the problem would be the potential of oil getting onto the belts. 15. Now i know the head gasket dosent pertain to the oil leak, but why go through all that work of removing the timing chain, fix the oil leak, run the truck a few thousand miles and discover it now has a leaking head gasket, now you have … Its either leaking from the seal that goes back to the oil cooler, or its leaking from the bypass pipe that goes from the water pump up to the thermostat housing. The estimate of upwards of three hours depending upon experience in my opinion is a bit low. The water pump itself has 2 holes called "weep holes". A carburetor uses intake vacuum to supply fuel to the engine. 3. I drive a 08 Buick lucerne V6 3800 series 3 engine, I have a small coolant leak around the timing chain cover. Step 1: Install the new gaskets and seals. This happened to me a couple months back. When the motor was running I mopped up the coolant on the timing cover and restarted the engine. 92stanglx. It looks like it is coming from the coolant passage on the driver side of the timing cover gasket. "The timing cover doesn't have a gasket, per se. SHould I look forward to more seious engine problems? The timing cover has a gasket that allows the cover to be securely attached to the engine block. All the bolts came out easy (some too easy). Over time and due to exposure to heat, dirt, road grime, and more, the gasket can often become cracked or wear out.. Just so, how much is a timing cover gasket? When the seals IN the water pump go bad, coolant will leak out of these holes. I found a manual in doing this but I was wondering if anyone had done this. I'd suggest getting 2 bottles of coolant and replacing the thermostat (with gasket sold separately) and serpentine belt at the same time since it's all right there when replacing the timing belt and water pump. The cover has 2 coolant passages. Yes, the BlueDevil Oil would be able to treat the leaking valve cover gasket and timing cover gasket on your Toyota 4Runner. Coolant won't leak out of the timing chain cover. It wasn't enough to notice on the coolant level, but I kept smelling coolant in the engine bay and I finally saw it. Is this a common problem? I replaced the front cover gasket with a Felpro. I used Felpro P/N TCS45951 and it included: a) timing cover gasket b) water pump gasket c) oil pump gasket d) crankshaft front seal e) the larger o-ring in the water pump inlet to seal the lower tube to the radiator ( I believe. BTW to remove the timing cover you have to remove the oil pan to remove the oil pick up. So I have a coolant leak that I thought was a bad radiator the way it leaked and was wet all over the radiator on the passenger side. As long as the leak(s) aren’t more than seeping or lightly dripping, you would be a good candidate for the product. It was pretty clear that the coolant was leaking right by the passages. Between the block and the cover or the cover and the water pump. Check timing chain cover for faults. My car started leaking coolant a couple weeks ago. If your bad intake manifold gasket has caused an internal coolant leak, then the coolant is going to get into the intake manifold. Antifreeze will show up in an oil sample and indicate a coolant leak into the oil from such things as cracked engine blocks or cylinders heads, and leaking cylinder head gaskets. They want $800 to replace the cover and gasket, flush the coolant system, and replace the Dex-Cool. He gave me two suggestions, add the ACdelco coolant seal tablets to the system and try to tighten the bolts. other likely places are the bypass hose that is hidden by the manifold and it could be the water pump gasket leaking. They are rubber and rot out. It's between the head and the timing cover. Timing covers do leak coolant. I have a coolant leak between the timing cover and the block . If the timing chain cover gasket is bad it will leak oil. - Valve cover gaskets - Timing chain - Dampener - Timing chain cover gasket - front oil pan gasket? It appears to be leaking from the engine block in the area of the hose. In other for the problem not to arise again, it is advisable to change your tensioner, timing belt, timing idlers, cam seals, and crank. The combustible air and fuel mixture, water-based coolant and motor oil must be separate from each other in order to do their job properly. Ford makes both a smaller and a larger SUV that look basically the same, but the Explorer has a great following because of its mid-sized appeal. Dec 16, 2005. The leak was on the rear of the engine on the passenger side. The labor is expensive part on that job. Alldata says to pull the engine, and remove the oil pan. I have a … Any help would be appreciated. Remember that oil leaks can damage the timing cover gasket, in which case the gasket can no longer protect the timing belt. Only show this user. Step 4 – Check the timing chain cover gasket. Sometimes, it’s the timing cover itself that is worn down, not the gasket. After some time I noticed a loss of coolant. RE: Coolant Leak- Timing Chain Cover IP: Logged Message: The most comon place to leak is the thermostat housing. Note on this photo the two water gallery “O” rings are damaged and are the cause of the coolant leak. 2008 Buick Lacrosse Coolant Leak at Timing Cover. "The timing cover doesn't have a gasket, per se. External coolant leaks from beneath the exhaust gasket. Leaking coolant from what looks like the timing cover. Took forever to get the vibration damper bolt off, ended up wedging my breaker bar up against the frame and bumping the starter to break it free. The radiator acts as a heat exchanger when the engine’s thermostat detects too high of a temperature, triggering the release of both water and coolant. I sure hope the timing chain is not submerged in coolant. Obviously not. To stop it I'd have to remove the head and install a new gasket in the timing cover and another in the block, so I keep an eye in coolant levels and don't think much about it. Chances are though if the one gasket is bad enough the over is not far behind, you should change them both. He showed me the pitted cover, and I instructed him to purchase a new cover from the dealer and install it with the new gasket. This keeps the timing chain or belt free from road debris and keeps oil from leaking. Same thing happened to my 2002 3.4L at 184k in 2015. Re: Head gasket or timing cover coolant leak. Are you sure it's an oil leak? Coolant pressure test found the exact spot i had it out, natch, but maybe the for. 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