1998 Pontiac Montana engine and engine cooling problems
13 owner complaints filed with NHTSA name the engine and engine cooling on the 1998 Pontiac Montana — 27% of all complaints for this model year.
What owners report
“I noticed I have been using a lot of antifreeze in the van but no leaks under it. I took it to the garage to change the thermostat and to have it checked out. They told me my head gaskets are bad and need to be replaced, when I took it to the dealer he said I needed a new radiator too! I have been…”
filed Jan 20, 2009
“A year ago,I puchased a previously owned 1998 pontiac montana transport van with approximately 58,000 miles on it. I am a certificated aircraft mechanic with over 10 yrs of experience. So, I am aware of potentional problems with used vehicles. I did not have any problems with this vehicle until 3…”
filed May 13, 2004
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013
Engine and Engine Cooling problems in other Montana years
| Year | Reports | Share |
|---|---|---|
| 2006 Montana | 2 | 5% |
| 2005 Montana | 3 | 4% |
| 2004 Montana | 3 | 8% |
| 2003 Montana | 10 | 12% |
| 2002 Montana | 24 | 19% |
| 2001 Montana | 36 | 23% |
| 2000 Montana | 69 | 30% |
| 1999 Montana | 99 | 42% |
Other reported problem areas on the 1998 Pontiac Montana
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.