NHTSA — Engine And Engine Cooling: Exhaust System Problems

CarComplaints.com Seal Of Avoid Like The Plague


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
57,000 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.

2002 Pontiac Grand Am exhaust system problems

exhaust system problem

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2002 Pontiac Grand Am Owner Comments

problem #1

Aug 042005

Grand Am 6-cyl

  • Automatic transmission
  • 57,000 miles


In 2003 I had the exhaust manifold replaced because the car was leaking anti freeze. Short time later I had the entire exhaust system replaced because anti freeze got into the exhaust system and engine was burning too hot into the catalytic converter. This plugged the converter causing the car to lose power since there was no where for the exhaust to go. Work was covered by warranty/work completed in California. I was told that the very minute I smell the rotten egg smell that this would mean that the exhaust manifold seal was leaking again. 8/2005...just had the exhaust manifold seal replaced for secont time. Car is now at 85K. Have extended warranty too 100K. I had the car out for a week and again the smell is back. I see from this site that there are many of us out there that have suffered the same problem. If the problem is recurring then GM should have to pay to fix it even after the extended warranty period. 8/2005...

- Bend, OR, USA

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