Engine Exhaust System Problems of Cadillac Escalade

This is an exhaust fume related complaint that is also related to an electrical component failure of the rear hatch locking mechanism. When the rear hatch locking mechanism is not fully engaged the liftgate is not completely closed allowing gas fumes to enter the vehicle and it has a really bad exhaust fumes smell. . . . . The gas is entering the vehicle CO carbon monoxide hydrocarbons and methane gas ch4.

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Exhaust gas enters cabin whenever stationary. Even at brief traffic signals, fumes quickly enter vehicle. Car is less than 4 years old.

Bolts are breaking on exhaust maniford.

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2003 Cadillac Escalade 6. . Read more...

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2007 Escalade ext ,34k miles. Heat shield on exh manifold rusted thru mounts , fell into steering column. Steering locked in a rt hand turn, went loc, very hard jerk on steering wheel broke it free. Checked passenger side, it had also fallen off but didn't cause any problem.

Bolts ended up coming out of manifold on their own through time.

I have a 2005 Cadillac Escalade 6. 0l engine, with 88,000 miles on it. I had a ticking sound investigated by a local mechanic and he found 3 exhaust manifold bolts, two on one side and one on the other, had spontaneously broken. He indicated before he lifted the hood that was the problem because "that was a common problem with the 6. 0l engine". I checked with Cadillac owners group and edmunds car space and readily found several similar complaints with the 6. 0l gm engine. This should never happen and could lead to an engine compartment fire and/or the leakage of exhaust gases into the same. I had all of the manifold bolts replaced. They didn't appear to be excessively corroded, but rather, the heads of the 3 failed bolts appear to have just popped off. I have the bolts that were removed and replaced. This problem is somewhat insidious because it can mimic the sound that a bad lifter might make. I contacted Cadillac customer service and filed a complaint. They offered no recourse.

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Manifold studs on driver side are broke!!! 03 Escalade 6. 0.

Consumer stated that there is a bad smelling inside of vehicle. Vehicle has been to the dealership. Also, hood doesn't completely close hood has been adjusted. Smells seep in from outside of vehicle, dealer cannot repair this problem.

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Onstar, catalytic onverter, brakes, exhaust, check engine light, tv/radio reception, seatbelt cover, reardoor hinge upper rack siding, front bumper repair.