FRONT TIMING COVER LEAK MANUAL
If forgotten, refer to TECH MANUAL for locations Match them up with the appropriate size from the gasket kit. Also be mindful of the O-RINGS and where they go. That way, I would not lose any of them.Īfter prying off the timing cover, I noticed that from the factory, there is a generous amount of RTV all around. When removing the bolts, I went Clockwise, and used a cardboard box to place each bolt in while removing them. Not doing so will damage your short block, cause possible cracks, etc. Reference the TECH MANUAL for locations of all 32 bolts. **WARNING** Ensure you have removed ALL bolts of the timing cover BEFORE prying on the cover. Don’t forget to drain the oil while it's out. I am glad i had ordered the GASKET KIT earlier because a lot of the parts came in handy. For me I found that I needed to replace my valve cover gaskets, crank seals (front & rear) and my dipstick o-ring. Now that the engine is out, look it over. Heads up, to recharge your a/c will cost anywhere between $70-$120. This is an option for individuals who do not feel comfortable removing an engine or cannot. #2 is removing the front bumper, radiator, a/c condenser, and front part of the chassis frame. You can move the A/C off to the side while removing the engine. This method you would only need to drain your radiator. Remove the engine completely from the BRZ and work on the engine on an engine stand. There are 2 methods that you can approach this to do it the proper way. In my opinion, that is not the proper fix but rather a temporary and almost dangerous fix for the engine, I will explain why shortly. **WARNING** There is a video on youtube where an owner fixes his timing cover with his father while the engine is still in the car. Oil (since you are draining your oil, have a filter ready too) Often referred to as Grey RTV)Ĭan of brake cleaner ( I ended up using 4 or more) THREEBOND TB1217H silicone gasket maker (or equivalent. > Can be leaking from the oil dipstick area and/or the 4 bolts spanning the middle of the cover as well. The same as when gaskets become brittle from the thermodynamics of everything and need to be replaced, or hoses turn hard and crack. But really, its because over time with the heating and cooling of the engine, it just becomes weak and leaks oil. Most of the time on the passenger side, but happens on both sides.The reason why it leaks is because it does and that is why it leaks. > Often found on the underside of the engine near the timing cover.
FRONT TIMING COVER LEAK FULL
I will type the material I used in full caps when applicable for easy reference for the reader. And before I go any further, it has been now 2k miles since I have fixed this, and everything seems to be great. This is not a complete step by step (because I didn’t document the whole thing), it's more of things to know while doing the job and a basic walkthrough. Hopefully this will help someone who is considering doing their timing cover. So I wanted to talk about how I did my timing cover and what obstacles I was confronted with. Its using silicon sealant.**Note: I am not responsible for any problems you may cause to your car.** 2-piece cylinder blocks instead of one certainly compounds the issue.īTW, theres no gasket for timing chain cover. This also makes me wonder the high cost of sealing this timing chain cover during the new engine assembly by Mazda. I believe thats why Kedis82ZE8s Mazda dealer couldnt fix the problem after 2 tries. The repair procedure is complicated and its hard for the tech not to screw it up.
If you read the TSB which features very detailed explanation of why the front timing chain cover leaks, and how the Mazda dealer would fix the problem. I, for one, wouldnt want to do that just for checking these leaks, until to the time Im changing the ATF. That means you need to take the under-cover down in order to see the leaks. But if you follow that long thread Kedis82ZE8 created more than 3 years ago, you would find it takes some effort to detect these leaks from BOTTOM. Most would assume this wont happen to a fairly new engine. Click to expand.Firstly, most people including me, wont bother to look for these engine seepages or leaks.
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