Common questions

When did GMC Yukon have an oil leak?

When did GMC Yukon have an oil leak?

This car is definitely a disappointment nd lemon. GMC denali truck caught fire 302 miles after being repaired by a gm goodwrench mechanic in July 2002. The consumer was on a family vacation when the vehicle developed an oil leak. See all problems of the 1999 GMC Yukon .

How many quarts of oil is in my GMC Yukon?

Been ongoing for a while and I am sure it is leaking two quarts and there is a seal leaking near the oil pan. Pretty severe to have not been fixed by the dealer in the beginning.

What causes an oil leak on the rear axle?

This causes oil and air to build up inside, which may force oil out of leak-prone places. Overfilling the axle with oil can also raise the pressure enough to cause leaks. Some rear-wheel-drive cars with independent rear suspension may leak oil from the drive-shaft oil seals.

Are there any problems with the GMC Yukon?

GMC Yukon owners have reported 6 problems related to engine oil leaking (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.

Where does oil leak from rear main seal?

When oil leaks from the main seal, it usually occurs at the connecting point between the engine and transmission. Therefore, to gain access to the rear main seal, a mechanic will usually have to remove parts of the transmission and nearby components.

Where does the oil leak come from on a GM 5L?

If the leak has been diagnosed as coming from the engine rear cover assembly, refer to Engine Rear Cover Replacement in SI and remove the engine rear cover assembly. Inspect the engine block and engine rear cover for porosity on the mating surfaces.

What to do if you have an oil pan leak in your Chevy Tahoe?

If the leak has been diagnosed as coming from the engine rear cover assembly, refer to Engine Rear Cover Replacement in SI and remove the engine rear cover assembly. Inspect for engine block porosity where the engine rear cover mates to the engine block.

What to do if your oil pan gasket is leaking?

The oil leaks by the gasket and runs down the side of the cover, and may appear to be a leak at the t-joint area of the cover. The fix is to replace the cover with GM P/N 12633579. Also, if porosity is found anywhere on the sealing surface of the engine block, use the following procedure to apply RTV to repair the engine block porosity.

Is the GM 5.3L V8 engine eating up too much oil?

Now, to be fair: Not every GM 5.3L V8 has problems with AFM. Many consumers report a trouble-free ownership experience. Still, AFM problems exist. The AFM excessive oil consumption problem usually crops up on vehicles that go on long highway drives.

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Ruth Doyle