The scope of work is large: the front bumper, radiator, all the accessories, and most of the emissions control system on the engine are removed simply to gain access to all the timing cover bolts. The solution? Replace the failed flexible gasket with more carefully applied flexible gasket and the issue shouldn’t reoccur. I believe the motor 'flexes' ever so slightly during. (just my luck) The book states that this is a 20 hour job in which the engine is supposed to be out to do the job. My mechanic said hes seen this only once before. It is NOT the HPOP or the normal leak points. The factory installation of the cover uses a very thin bead of sealant and the 'repair' requires a 3mm bead of sealant that needs to 'dry' before final assembly, requiring an overnight stay in a workshop. The top of the timing cover on my 97 F350 is leaking oil. This is normal, however over time the flexible gasket that seals these surfaces together is subjected to more stress at this location, potentially leading to leaks. The resealing of the timing cover is a very big job.
Slight irregularities in machining of these parts can lead to small differences in their surfaces in regards to depth (ie.
Bad design flaw, every 30,000 miles the engine had to get resealed. In my Dads 1989 subaru loyale the 1.8L had a major oil leak. They mentioned the front timing cover needs to be resealed and want 1,300 for the job. Oil was starting to seep from the o-rings. The issue is fairly simple: where the engine block, cylinder head and timing chain cover all meet they form a T shaped junction. Subaru has been plagued with fluids leaking their whole career it seems like. awesomeCruze Discussion starter I had the dealer replace the turbo oil feed line (original, pre-heat shield jacket) on my 2012 1.4L Cruze. While the problem is similar, the repair of the GX460 is done in the vehicle as opposed to the teardown of some Toyota V6 engines that can also have issues. The oil can contaminate the belts and pulleys at the front of the. Since i will be removing most things out, i might as well change the front main seal, should i be getting the complete timing chain kit+tensioner while im at it? i think Taark from Nissansilvia sells those.Ĭars about 170k km on the odometer and i dont think the timing chain has ever been changed.Similar to other timing cover oil leaks we’ve written about, the 4.6 liter 1UR-FE V8 engine in the Lexus GX460 can develop oil leaks where the timing chain cover meets the cylinder block and cylinder head. The gasket that fits between the engine block and timing cover can fail and leak oil. Dealer said it is a common problem ( over 50 vehicles in the last couple of years) with the RX 350.
That repair required dropping the sub frame containing the engine and front drive assembly to fix the timing chain cover gasket. seems to happen on cold start no sounds while driving/thrashing. The only two options for fixing a timing cover oil leak is to restore the gasket or replace the gasket. My 2015 RX 350 with only 12K miles is still leaking oil after having been repaired by dealer less than a month ago. would i need to remove the sump as well?Īlso the timing chain/tensioner makes a slight rattle when i start the car and then you dont hear from it again. Replacing the timing cover gasket is the most common way to alleviate the oil leak. The above cost includes the cost of parts (85) and the average cost of labor is 760. 6 months later (today) it has started dripping on the ground and time to fork out money to fix it.įrom looking at it under the car it seems i have to take a fair bit of things out. On average, it costs around 845 to fix a timing cover leak by replacing the timing cover gasket (the most common repair to fix this issue). About 6 months back i noticed some oil leak around the timing cover/case area but because the drips were slow i kept my eye on it and wiped it down once in awhile to keep in check. If youre talking about that cover to the timing chain I would not recommend you drive with an oil leak anywhere towards the front of the motor because it.
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