1999 Buick Riviera Engine cooling Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 50miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 1999 Buick Riviera, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 50 miles.
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 stated that while driving at 45mph the steering wheel would start to shake. Ts dealer claimed this was normal. Alarm system goes off and locked doors. Transmitter replaced. Hesitation on acceleration at 35-40 MPH. Dealer reported normal. Rubbing noise when backing up. No problem found.”
NHTSA complaint #10001797, filed 2003-01, 50 milesRelated service bulletins
- 10246631Sep 1, 2013Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
- 10012148Jun 1, 2004New rear main seal and special tool for installation.
Engine cooling: other model years
Other parts of the 1999 Buick Riviera
2 complaintsTires
2 complaintsBrakes
1 complaintsElectrical system
1 complaintsEngine
1 complaintsEquipment
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 1999 Buick Riviera
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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