2005 Pontiac Montana Engine Problems
- Complaints
- 4about this part
- Share
- 5%of 81 total for the year
- Median mileage
- 124,125miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2005 Pontiac Montana, 5% of the 81 complaints for this model year. Where a mileage was given, the median is 124,125 miles. 1 a fire, according to the filers.
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.
“Vehicle has been properly maintained under hood components for years. One day I started it up and was smoking heavily. No evidence has been shown to be a failure to maintain. No loose or bare wires, nothing unordinary going on under the hood that could cause this. No signs of operator error so forth.”
NHTSA complaint #11320485, filed 2020-04, 124,125 miles“The vehicle is constantly overheating. The thermostat on the dash jumps erratically and as soon as you shut the engine off and pop the hood you can put your hand on the engine. The engine is cool to the touch. Changed several parts and there is no leak.”
NHTSA complaint #10681048, filed 2015-02, 150,000 miles“When I start the engine & try to put in another it it nearly impossible. With engine on, it smells of gasoline! I'm afraid I will die from the fumes. Transmission only goes up to 20 mph. I know there is a gas leak and I want others to be notified before my family or someone else's family catch fire and burn to death! If I have to run the heater then it takes power from the engine/transmission and I can only go 10mph. When I am in on on the highway the van will shut off. It shut off out of nowhere and I almost lost my life that day!”
NHTSA complaint #11517939, filed 2023-04“The contact owns a 2005 Pontiac Montana. The contact stated that after entering the vehicle by using the automatic key fob remote, the vehicle would not start. The contact could not open the doors and became locked inside of the vehicle. The contact was unsuccessful when attempting to start the vehicle. The contact manipulated the manual door lock six times before the door opened. The contact was forced to get assistance from another driver in order to charge the battery to start the vehicle. The contact drove the vehicle to the dealer for diagnostic testing. …”
NHTSA complaint #10604827, filed 2014-06, 108,000 milesRelated service bulletins
- 11007091Aug 5, 2024This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 10242298Aug 10, 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…
- 10211658May 2, 2022This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
- 10178949Jul 28, 2020This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC…
- 10178387Jul 27, 2020This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller…
- 10176326May 21, 2020This 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…
- 10176607May 8, 2020This 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…
- 10167437Oct 14, 2019This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the…
- 10160987May 7, 2019This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the…
- 10160983May 6, 2019This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller…
Engine: other model years
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 complaintsFuel system
4 complaintsSeats
4 complaintsSuspension
4 complaintsVehicle speed control
4 complaintsEngine cooling
3 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