2006 Buick Rainier Engine cooling Problems
- Complaints
- 2about this part
- Share
- 2%of 91 total for the year
- Median mileage
- 9,278miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2006 Buick Rainier, 2% of the 91 complaints for this model year. Where a mileage was given, the median is 9,278 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.
“At highway speeds (50-60 MPH) accelerator became inoperative...I.e., no connection with engine. Used resume button on cruise control to speed up. Many months ago same thing happened. Could be very dangerous. Just intermittent.”
NHTSA complaint #10170600, filed 2006-10, 10,000 miles“The contact stated since july 13, 2006, the vehicle stalled without warning at speeds below 20 MPH. The vehicle restarted each time and was taken to the dealership. The dealership was unable to determine a problem, but replaced the ignition switch and coolant temperature sensor in a repair attempt. The problem persisted.”
NHTSA complaint #10167215, filed 2006-09, 8,556 milesRelated service bulletins
- 10251887Mar 14, 2024This bulletin advises the technician of possible location of an internal coolant leak from a specific cylinder head and location.
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10250347Feb 2, 2024This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10245395Nov 6, 2023This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing…
- 10244273Oct 6, 2023This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 10242843Sep 1, 2023The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 10242262Aug 24, 2023This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and…
- 10239101Jun 30, 2023This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Engine cooling: other model years
Other parts of the 2006 Buick Rainier
35 complaintsElectrical system
17 complaintsExterior lighting
12 complaintsVisibility (wipers, defrost, mirrors)
9 complaintsSuspension
7 complaintsTransmission and drivetrain
7 complaintsElectronic stability control
4 complaintsBody and structure
4 complaintsAir bags
3 complaintsEngine
3 complaintsLatches, locks and linkages
3 complaintsSteering
3 complaints
← All problems reported for the 2006 Buick Rainier
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