2005 Pontiac Montana Engine cooling Problems
- Complaints
- 3about this part
- Share
- 4%of 81 total for the year
- Median mileage
- 28,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2005 Pontiac Montana, 4% of the 81 complaints for this model year. Where a mileage was given, the median is 28,000 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.
“The contact stated the vehicle's headlights had an electrical issue that caused the lights to flicker and not remain illuminated. Previously, the brake lights and dash lights had also experienced this issue. The vehicle had been to the service dealer twelve times, but were unable to correct the issue. Updated 10/14/2006 - the dealer had replaced the alternator to try to alleviate electrical problems. The rear power windows sometime would not open or shut, the rear washer and wiper failed intermittently. The dealer replaced the wires, motors regulators, etc. Bu the problems recurred. …”
NHTSA complaint #10167895, filed 2006-09, 28,000 miles“2005 Pontiac Montana sv6 automatic sliding door opens while driving, bad sensor and broke cable was replaced. The consumer also stated the engine failed, which ultimately LED to an engine replacement. The vehicle began shaking and misfiring. A bad plug and the stabilizing bar links were replaced. The undercarriage was cracked which was causing a loud knocking and thumping sound under the vehicle. The consumer also had the seats replaced with an after market leather kit because stains had formed on the seats due to moisture. …”
NHTSA complaint #10226153, filed 2008-04“2005 Pontiac Montana experiencing problems with the windows and the windshield wipers. The consumer found damage on the door which was remedied, then the consumer reported that both windows rolled down hard. The drivers side was fixed but not the passenger side. Wiper failure occurred intermittently and were replaced, then the passenger window would not roll up. The passenger window was fixed. The driver window did not operate properly and the vehicle stalled on a few occasions while the vehicle was in motion.”
NHTSA complaint #10122631, filed 2005-05Related 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 2005 Pontiac Montana
21 complaintsLatches, locks and linkages
19 complaintsElectrical system
17 complaintsAir bags
7 complaintsBrakes
7 complaintsOther or unknown
7 complaintsTransmission and drivetrain
6 complaintsEngine
4 complaintsFuel system
4 complaintsSeats
4 complaintsSuspension
4 complaintsVehicle speed control
4 complaints
← All problems reported for the 2005 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