1998 Pontiac Bonneville
cooling system Problems
Worst 1998 Bonneville cooling system Problems
Click on a problem below to read more.
- cracked intake manifold2
- NHTSA: Engine And Engine Cooling: Cooling System25
- NHTSA: Engine And Engine Cooling: Cooling System: Radiator ...3
Stay Up to Date
Compare Pontiac Bonneville Model Years
Curious how the 1998 Bonneville compares to other years?
Check out our Pontiac Bonneville overview to see the most problematic years, worst problems and most recently reported complaints with the Bonneville.