Timing cover leak12/24/2023 RX350, Sienna, and Highlander reseals run slightly more due to added AWD fluids, seals, and a small increase in labor. CARspec cleans the entire block’s sealing surface and timing cover of all old FIPG and oil residue, taking special care to reapply extra FIPG where the leak may try to redevelop.ĬARspec offers timing cover resealing at competitive rates, including all new gaskets, FIPG, 1282b, coolant, and post-repair alignment. To fix, mechanics have to pull motor out. Mazda should find a better way to seal the front timing chain cover even though the engine designed with 2-piece engine blocks instead of traditional one. Glad I have extended platinum warranty to cover the 2800 estimate to repair. Waiting for authorization from warranty inspector (have to take vehicle back in for inspection and photos). The rebuild uses three entire tubes of FIPG to reseal everything during reassembly. I’m at 70,000 miles and have a timing cover leak. The procedure to reseal the timing cover is time consuming, requiring the entire drive train be dropped out of the car onto a table, cleared of all auxiliary system, totally torn down, cleaned, reglued and reinstalled back into the vehicle. The original FIPG fails, leaving the owner with a mess on their hands and an oil-covered serpentine belt. This flexible gasket is similar to the silicone liquid gasket you’d use to seal a bath tub or window but is designed to withstand the heat and vibration of a modern engine. The timing cover is sealed using Toyota’s fix in place gasket, FIPG, and 1282b sealant lining the edge of the cover where it meets the block and cylinder head. While the cause of the leak is up for debate, the source of the leak is always the same: where the timing chain’s cover meets the block meets the cylinder head (as seen above).
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