1998 Pontiac Bonneville problems & reliability
277 owner complaints filed with NHTSA for the 1998 Pontiac Bonneville, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
6 complaints report injuries (7 injured).
Federal crash records (FARS 2020–2023): 1998 Pontiac Bonneville vehicles were involved in 6 fatal crashes with 3 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 194 | 70% |
| Fuel System, Gasoline | 33 | 12% |
| Electrical System | 28 | 10% |
| Power Train | 13 | 5% |
| Unknown OR Other | 8 | 3% |
| Vehicle Speed Control | 8 | 3% |
| Visibility | 8 | 3% |
| Steering | 7 | 3% |
| Engine | 6 | 2% |
| Air Bags | 4 | 1% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 71,863 miles (middle 50% between 59,421 and 87,080 miles), based on 116 complaints that included mileage.
Complaints by incident year
What owners report
“The back two cradle mounts on both sides rusted out and mounts pulled through the cradle causing the steering to become loose filling and causing steering to be out of alignment and when hit brakes front would dart one way or the other and lots of noise coming from under vehicle from cradle bouncing when hitting bumps…”
Service Brakes · filed Apr 27, 2015
“My car has been stolen from sioux falls residents home july 10 th but have a police report [xxx] been spotted in mitchell off interstate 90 first parking lot right after exit 90 into mitchell tanish color trunk has bunngie cord on trunk silver small spot on passenger side pontiac 1998. Information redacted pursuant to…”
Structure · filed Aug 15, 2014
“I was driving on the new york thruway and all of a sudden, my car shut off. I had to power steer, no power brakes, the fuel gauge read no fuel and the bells went off. I had to try to get to a safe place and restart my car. This has happened many more times. I can be going 25mph or 70mph; I can have the cruise on or…”
Vehicle Speed Control · filed Jul 7, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- ENGINE COMPARTMENT FIRES
Engineering Analysis EA02030 · opened Oct 22, 2002 · closed Mar 9, 2004 · led to recall 04V090000
- ENGINE COMPARTMENT FIRES
Preliminary Evaluation PE02050 · opened Jun 13, 2002 · closed Oct 22, 2002
Technical service bulletins
51 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1998 Pontiac Bonneville. The 10 most recent:
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723F · Service Bulletin/Repair Instructions · issued Jan 14, 2022
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723D · Service Bulletin/Repair Instructions · issued Jan 31, 2020
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
19NA273 · Service Bulletin/Repair Instructions · issued Dec 2, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696E · Service Bulletin/Repair Instructions · issued Nov 22, 2019
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17NA073 · Service Bulletin/Repair Instructions · issued Sep 18, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696D · Service Bulletin/Repair Instructions · issued Sep 5, 2019
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
17NA073 · Service Bulletin/Repair Instructions · issued Feb 15, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696C · Service Bulletin/Repair Instructions · issued May 31, 2018
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723C · Service Bulletin/Repair Instructions · issued Sep 20, 2017
This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
17-NA-073 · Service Bulletin/Repair Instructions · issued Mar 15, 2017
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 1998 Pontiac Bonneville has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1998 Pontiac Bonneville?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 71,863 miles — budget accordingly if the car is approaching that mileage.