1991 Oldsmobile 98 Engine cooling Problems
- Complaints
- 4about this part
- Share
- 9%of 47 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 1991 Oldsmobile 98, 9% of the 47 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Consumer had noticed a strong vibration coming from engine. Had taken vehicle to dealer, and they replaced engine valve to find a solution, but did not help and the problem still there. Please provide more information.”
NHTSA complaint #8003961, filed 2002-02Related service bulletins
- 10246631Sep 1, 2013Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1998 | 8 | 30% |
| 1997 | 2 | 7% |
| 1995 | 6 | 20% |
| 1994 | 3 | 19% |
| 1993 | 2 | 15% |
| 1992 | 2 | 5% |
| 1991 | 4 | 9% |
| 1990 | 3 | 18% |
| 1989 | 1 | 9% |
| 1987 | 2 | 13% |
Other parts of the 1991 Oldsmobile 98
19 complaintsElectrical system
8 complaintsAir bags
7 complaintsEquipment
4 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 1991 Oldsmobile 98
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology