![]() ![]() Took a bit more than two weeks to do since I have lots of other life stuff going on and could only put in a few hours at a time. I went through a whole roll of blue shop towels and lots of hand cleaner. My Tacoma has 476,000 mostly highway miles on it. Fortunately, my cam chains were not stretched The cam chain tensioner had barely moved from the original position - one click as far as I could tell. I struggled with getting the passenger side valve cover off, since the rearmost (locating) stud was rusted and took some heat to get the valve cover to release from it - I was worried I would do some damage and either break the valve cover or snap off the stud, but it worked out ok in the end with patience, penetrating oil, a MAP torch, and gentle prying. I used the same Permatex Ultra Black as the OP and it worked great. Everything went smoothly aside from a few issues getting the cooling system to seal up leak tight - that took a bit more RTV silicone on the water pump gasket and a couple new hose clamps on the smaller cooling lines going to the oil filter thing. I had let it go for quite some time and finally decided to deal with it when it was leaving oil stains in the parking lot where I carpool from (embarrassing). I just went through the same procedure to stop the leak on my 2005 4.0 timing chain cover. Wait 24 hours before using starting the engine. Tighten the bolts (I couldn't figure out the torque setting so I used a 3/8 drive ratchet with my hand half way. ![]() Remove the pins and install the other two bolts. Put the cover plate back and put two bolts in the holes finger tight. Then put a bead of gasket material on the cover plate. Just put them in a few threads - they'll stop the plate from falling down. Run a bead of gasket material on the engine block and install the pins in the upper two holes. I didn't want to ruin my phone by taking a picture. I have no pictures of what comes next because the gasket material is very gooey and I got it all over the place. Next clean off the block and the cover with a scraper removing any bits of gasket, sealant, etc. Unsurprisingly, this stain exactly lines up with the wet part of the gasket. While the other side toward the engine is wet with oil:įinally, note that the engine block shows a stain, suggesting an oil leak. Note how the outside of the gasket is clean: My cover and gasket almost fell off - which is what you would expect if it was not properly installed. Remove the four bolts with a 10 mm socket wrench and remover the gasket. passenger side), just above the serpentine belt. It is located on the right side of the engine facing the vehicle (i.e. I believe they are M7-1.00 but I might be wrong. Then you want to make yourself some alignment pins to fit in the two upper bolt holes of the timing chain cover. It is almost beginner level in terms of difficulty.įirst you need to buy the appropriate gasket maker. It should not be: the repair is easy to do and quick. ![]() I have seen a number of posts suggesting this was a $1000+ repair. Basically I was losing about 1 liter of oil for 1,000 km. The second to last straw that broke the camel's back was that I developed an oil leak. Guy told me not uncommon to see oil leaks now but my old 4Runner had 198k miles before it leaked and even then it was just a worn out seal on a oil cooler not a major gasket.This is probably my final thread on Tacomaworld: I've grown tired of repairing my 2008 Taco and traded it in for a 2018 Tundra. Has anyone else seen oil collect here slowly? I’m starting to think it was just some dirt and what not kicked up that collected there.īy the way i’m 128k miles never had any issues. Drove about 10-15miles and checked again, still nothing. I let it idle for 10-15min and nothing no drop no film no oil. Anyways after going to the dealer I went home took the skid plate and there was some oil just a drop but some grease and grime as well so i cleaned it up along with the valve covers just to check them as well. The dealer did an oil change and noticed it, one thing to note last time i did an oil change the dealer in their infinite wisdom forgot the oil filter o ring and i leaked about a quart before they fixed it, they did clean it up or at least they said they did. I’m sorry to resurrect this but I was told today by the dealer I have a timing cover leak. ![]()
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