1998 Pontiac Bonneville Engine And Engine Cooling Problems
NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine and engine cooling ranks on this vehicle
Share of the 277 complaints citing each category; one complaint can cite several. Full breakdown on the 1998 Pontiac Bonneville overview page.
What owners report
“I HAVE A 1998 PONTIAC BONNEVILLE WHICH WAS BROUGHT INTO THE DEALER FOR REPAIR DUE TO NOT HAVING ANY HEAT IN THE CAR. I EXPECTED…”NHTSA complaint 10002727 — filed 08/20/2004
“WHILE VEHICLE WAS PARKED, THE ENGINE CAUGHT ON FIRE. DEALER HAS BEEN NOTIFIED. PH”NHTSA complaint 10006244 — filed 02/03/2003
“CAR SUDDENLY BEGAN MISSING AND RUNNING VERY ROUGH. DROVE ONLY A SHORT DISTANCE & CAR STOPPED RUNNING. THE DEALER SAID THE UPPER INTAKE MANIFOLD PLENNUIM…”NHTSA complaint 10000384 — filed 12/26/2002
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine And Engine Cooling complaints by year filed
Frequently asked questions
Does the 1998 Pontiac Bonneville have engine and engine cooling problems?
Engine And Engine Cooling is the #3 most-reported problem area on the 1998 Pontiac Bonneville: 45 of 277 complaints on file (16.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 1998 Pontiac Bonneville have in total?
277 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 9 involved a crash, 28 involved a fire, 7 reported injuries, and none reported deaths.
What does NHTSA's engine and engine cooling category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING category exactly as NHTSA defines and records it.
