My car had a slow oil leak for about 6/mo, didnt pay it much attention cause it wasnt bad, but last week the flood gates open, oil leak went from a few drips to almost a steady stream from the lower driver side of the engine, thought that it was the intake manifold gaskets but turned out to be the rear main seal...this repair is very expensive if you take your car to a dealership or a shop, luckily im a engineer an i had a shop at my disposal ...
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on u-tube a couple guys show a much cheaper 14 dollars fix for this not easy but can be done im tj and have blogged on this before,the car may run ok but gas mileage and will not pass emissions where applicable have had this problem multiple times it is listed under engine and drive train also
i got trapped in the tranny replacement thinking i would never have to worry about it again, hah 2 months after the warranty its back. 3year 100,000 miles warranty and 40,000 miles later the 4000 dollars i had put in the car is all for nil. this motor drivetrain has so many service bulletins it is a another high end GM rip off,that was junk to begin with and Cadillac wont own up to it. Lets see a 70,000 dollar throw away my house was a bit mor...
under the front left fender/bumper area, there is a electric pump that pushes air into the catalytic converter. It runs for about 45 seconds when you start you car and once in a while there-after. The bearings went out in mine and I tried to repair it, but ended up replacing it. After 8 months, the new one failed. The GM dealer warrantied it and I replaced it again, which now has stopped working again.
Oil was dripping from Oil Pan Gasket.
Replace Oil Pan Gasket & Seal.
Just started last week. This warning has always lit up if I make a sudden stop, but then goes away. Last week it did not go away and now stays on all the time, even though the coolant level is fine.
One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.