I have a 98 grand prix that the vents does not switch like the suppose when I use my A/C but the perform just fine when using the heat

Asked by Nov 29, 2014 at 06:23 PM about the 1998 Pontiac Grand Prix 4 Dr GT Sedan

Question type: Maintenance & Repair

1 Answer

7,900

Sounds like the switch that has all the positions on it may have a vacuum blockage ( the rotary switch has multiple orifices that direct to vacuum to various actuators) Hard to repair but easy to replace ... cheap too ...Check Ebay

Your Answer

Add photo

Related Questions

  • Temp question 98 grand prix 22 answers

    I have a 98 Grand Prix that I replaced the engine with one from a 2001 buick regal. I put in a new 160 fail safe thermostat. When driving non stop, the temp gauge barely moves, but if I drive in sto...

    1998 Pontiac Grand Prix 2 Dr GT Coupe

    -

    Maintenance & Repair

  • 2004 Pontiac Grand Prix Ask me any questions 39 answers

    I have totally replaced and rebuilt this car. I have experienced some major obstacles and solved them. I have experience with this year model Grand Prix. I may be of some help to others.

    2004 Pontiac Grand Prix GTP

    -

    Maintenance & Repair

  • 2006 Pontiac Grand Prix air not getting cold or hot 1 answer

    I have a 2006 Pontiac Grand Prix. This summer I noticed the AC would not get cold, I added coolant and that did not help. The blower has no problem blowing air, I can switch it to the floor vents an...

    2006 Pontiac Grand Prix Base

    -

    Maintenance & Repair

  • 2006 Grand Prix Overheating and Low Cabin Heat? 42 answers

    I have a 2006 Grand Prix Gt 3.8 Supercharged. I was gettin glow cabin heat so I flushed out the rad and heater core added new Dexcool mixed 50/50 and the engine started overheating and still low cabin...

    2006 Pontiac Grand Prix GT

    -

    Maintenance & Repair

Search Pontiac Grand Prix Questions

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 4,070
#2 Tom Demyan
Tom Demyan
Reputation 2,730
#3 munron
munron
Reputation 2,110
View All

Related Models For Sale

Used Pontiac Bonneville
3 Great Deals out of 533 listings starting at $1,695
Used Chevrolet Monte Carlo
12 Great Deals out of 1,410 listings starting at $2,511
Used Pontiac Grand Am
1,253 listings starting at $799
Used Chevrolet Malibu
764 Great Deals out of 88,065 listings starting at $1,900
Used Chevrolet Camaro
136 Great Deals out of 35,103 listings starting at $1,995
Used Ford Mustang
334 Great Deals out of 45,576 listings starting at $2,000
Used Nissan Maxima
271 Great Deals out of 25,919 listings starting at $2,300
Used Pontiac Firebird
9 Great Deals out of 758 listings starting at $1,800
Used Honda Accord
679 Great Deals out of 82,246 listings starting at $500

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
10 Great Deals out of 418 listings starting at $2,497
2007 Pontiac Grand Prix For Sale
4 Great Deals out of 414 listings starting at $1,595
2006 Pontiac Grand Prix For Sale
3 Great Deals out of 435 listings starting at $1,999
2005 Pontiac Grand Prix For Sale
340 listings starting at $3,991