NHTSA — Engine And Engine Cooling: Exhaust System Problems


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
88,106 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Cadillac Escalade exhaust system problems

exhaust system problem

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2005 Cadillac Escalade Owner Comments

problem #1

Jul 282010


  • 88,106 miles


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.

- Little Meadows, PA, USA

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