Vehicle Data Hub

1998 Pontiac Bonneville exhaust system problems

52 complaints about exhaust system have been filed for the 1998 Pontiac Bonneville, which is 14% of all its NHTSA complaints. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
52 15% of this year's complaints
Typical mileage
73,000 miles 33 complaints with mileage
Crashes and fires
0 and 3
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When exhaust system problems show up

Exhaust system complaints by mileage, 1998 Pontiac Bonneville Complaints by odometer reading in 20,000-mile steps. The median is about 73,000 miles. 0k to 20k miles: 1 complaints 20k to 40k miles: 0 complaints 40k to 60k miles: 6 complaints 60k to 80k miles: 17 complaints 80k to 100k miles: 7 complaints 100k to 120k miles: 2 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 73,000 miles
Based on 33 complaints that include mileage. 21% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles1
20k to 40k miles0
40k to 60k miles6
60k to 80k miles17
80k to 100k miles7
100k to 120k miles2
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 33 exhaust system complaints that report mileage, the median is about 72,000 miles, and 21% were reported before 60,000 miles.

These complaints mention 3 fires.

What owners wrote

Consumer called complaining about having problems with the intake manifold. Also stated that while driving the vehicle the engine will overheat. Dealer was contacted and stated that he had a different intake manifold and it was replaced but consumer has the same problem again. The second time the vehicle got on fire. Ts

Fire

Intake manifold leaked coolant into engine. Seems the plastic intake manifold and gasket warped causing excessive coolant consumption into the engine.

Reported at 72,967 miles, December 2003

Other problems reported for the 1998 Pontiac Bonneville

Exhaust system problems in other years

  • 2005
  • 2004
  • 2003
  • 2002
  • 2001
  • 2000
  • 1999
  • 1998
  • 1997
  • 1996
  • 1995
  • 1994
  • 1993
  • 1992
  • 1991
  • 1990

Exhaust system problems across all Pontiac models