2006 Pontiac Montana Engine cooling Problems
- Complaints
- 2about this part
- Share
- 5%of 37 total for the year
- Median mileage
- 50,630miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2006 Pontiac Montana, 5% of the 37 complaints for this model year. Where a mileage was given, the median is 50,630 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.
“Was driving on freeway when got a message on dic saying engine power reduced seconds later vehicle dropped to 10 MPH and would not go any faster. Rpm dropped to 300. Almost got rear ended.dealer said it was an app sensor, replaced and happened again. Said it was a mass air flow sensor, replaced and happened again. Continuing to happen and dealer said they cant reproduce the problem .”
NHTSA complaint #10429206, filed 2011-10, 81,260 miles“The contact owns a 2006 Pontiac Montana sv6. When the vehicle is stopped and idling, the battery voltage begins to decrease. The vehicle has been diagnosed by the dealer several times; however, the failure continues. Also, when the contact places the vehicle into drive, the RPM's increase, but the vehicle does not accelerate. The vehicle was diagnosed for the failure, but it still persists when the contact attempts to drive. In addition, the driver side door on the vehicle does not properly shut and leaves a one inch gap between the door and the body of the vehicle. …”
NHTSA complaint #10233651, filed 2008-07, 20,000 milesRelated service bulletins
- 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…
- 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.
- 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.
- 10236164Apr 24, 2023This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308…
- 10235802Apr 24, 2023This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
- 10234141Mar 23, 2023This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2006 | 2 | 5% |
| 2005 | 3 | 4% |
| 2004 | 3 | 8% |
| 2003 | 10 | 12% |
| 2002 | 24 | 19% |
| 2001 | 36 | 23% |
| 2000 | 69 | 30% |
| 1999 | 99 | 42% |
| 1998 | 13 | 27% |
| 1997 | 8 | 44% |
Other parts of the 2006 Pontiac Montana
8 complaintsBrakes
5 complaintsElectronic stability control
5 complaintsEngine
5 complaintsBody and structure
5 complaintsSuspension
5 complaintsFuel system
4 complaintsTransmission and drivetrain
4 complaintsExterior lighting
3 complaintsSteering
3 complaintsTires
3 complaintsOther or unknown
2 complaints
← All problems reported for the 2006 Pontiac Montana
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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