NHTSA — Engine And Engine Cooling: Exhaust System Problems

3.0

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
47,400 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.

1999 Pontiac Bonneville exhaust system problems

exhaust system problem

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1999 Pontiac Bonneville Owner Comments

problem #1

Apr 182003

Bonneville 6-cyl

  • Automatic transmission
  • 47,400 miles

A D V E R T I S E M E N T S

In normal driving, the intake manifold cracked and caused the coolant to leak into the exhaust system. This has caused extensive repairs and the problems continue.

- Tucson, AZ, USA

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