I have an '02 Pontiac Montana and it is over heating and blows out cold air. Yes the fluids are good and we just replaced the thermostat and it still is over heating and not blowing out heat.

Asked by Feb 03, 2015 at 09:11 PM about the 2002 Pontiac Montana

Question type: Maintenance & Repair

3 Answers

20,420

You have either an air pocket in the cooling system for the engine, a bad sending unit for the temp gauge/dash warning light, a blown intake gasket or blown head gasket.

2 of 2 people found this helpful.

I have a 2000 montana the heat don't work it does when is park but when I drive it for 15 min it blown cold air what it can be

20,420

A bad thermostat, a bad blend door motor, a broken blend door, plugged heater core. Check and see if you're low on anti-freeze, if it is low fill to proper levels in radiator and overflow bucket, then look for a leak(intake gaskets are EXTREMELY common on the 3.4 liter) If its not low let the van warm up, carefully grab the upper and lower radiator hoses. If they are both very warm/hot then move on the the heater hoses and do the same. If the radiator hoses are both not hot then its probably a thermostat. If the heater hoses aren't both hot then its most likely a heater core. If all of the hoses are hot then its probably a blend door, or blend door motor.

2 of 2 people found this helpful.

Your Answer

Montana

Looking for a Used Montana in your area?

CarGurus has 264 nationwide Montana listings starting at $1,295.

ZIP:

Pontiac Montana Experts

  • #1
    Countrygal77
    Reputation
    2,120
  • #2
    Robert Reed
    Reputation
    1,530
  • #3
    Jim Space
    Reputation
    780
View All

Related Models For Sale

Used Chevrolet Venture
371 listings starting at $2,190
Used Chrysler Town & Country
264 Great Deals out of 13,976 listings starting at $1,999
Used Dodge Grand Caravan
272 Great Deals out of 25,752 listings starting at $1,500
Used Honda Odyssey
406 Great Deals out of 27,632 listings starting at $1,899
Used Oldsmobile Silhouette
141 listings starting at $3,995
Used Toyota Sienna
376 Great Deals out of 26,514 listings starting at $1,799
Used Chevrolet Impala
532 Great Deals out of 35,062 listings starting at $800
Used Chevrolet Silverado 1500
2,222 Great Deals out of 168,118 listings starting at $1,000
Used Toyota Camry
890 Great Deals out of 81,506 listings starting at $999
Used Honda Civic
742 Great Deals out of 68,813 listings starting at $1,350
Used Pontiac Vibe
26 Great Deals out of 1,010 listings starting at $1,700

Used Cars For Sale

2001 Pontiac Montana For Sale
40 listings starting at $2,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.