12/6/2023 0 Comments 22re timing cover![]() Please explain why there are millions and millions of miles on single row chains in 10s of thousands of high mileage early Toyota 22s that DO NOT have a timing chain system failure issue caused by the chain failure. The amount of stretch in thousandths of inches, on a single row 22 timing chain is so small that is has ZERO affect on the most common reason for timing chain failures!! Three times, I've measured my old chains against the new one I was about to install and the amount clearly has nothing to do with WHY the timing chain and guides fail.įurther, the amount of wear on the two sprockets was insignificant on my 22R and 22RE engines. That will help seal the top of the cover to the head and that small section of gasket. Also, you will want to torque that bolt after putting sealer on the gasket, before you bolt down the t-cover on to the block. Be very careful not to over torque that bolt. There is one bolt that pulls the cover up to the head. I used Permatex Ultra Gray on that piece and was lucky not to damage the head gasket. If that section is damaged as you remove the cover, you may have a difficult time getting it resealed, and then have oil leaking from the top edge of the timing cover. It seals the timing chain cover to the head around the top chain sprocket. Keep in mind there is a very small piece of the head gasket that extends over the front edge of the head and mates with the top of the timing chain cover. On my current 22RE, I replaced the t-chain kit without removing the head. I had the head removed for a head job on my 22R. I’ve done a timing chain R&R twice, once on my 22R and once on my 22RE.
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