2003 climet control turn on heat from cold and it take a day or so to change

Asked by Jun 19, 2012 at 01:44 PM about the 2003 Pontiac Grand Am GT Coupe

Question type: Maintenance & Repair

1 Answer

93,755

The HVAC unit uses vacuum to open and close doors that control the heat. The heater core is always hot if coolant is flowing. The temperature control closes a door that lets cold air bypass the heater core. Check to see if you have vacuum to the control panel. [IMG]http://i17.photobucket.com/albums/b72/tenspeed/wiring/service%20manu al/HVAC010.jpg[/IMG]

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Pontiac Grand Am Questions

Pontiac Grand Am Experts

#1 tenspeed
tenspeed
Reputation 7,440
#2 John Saffrahn
John Saffrahn
Reputation 1,560
#3 Tom Demyan
Tom Demyan
Reputation 1,360
View All

Related Models For Sale

Used Pontiac Grand Prix
28 Great Deals out of 3,715 listings starting at $1,100
Used Pontiac Firebird
10 Great Deals out of 794 listings starting at $2,000
Used Chevrolet Impala
793 Great Deals out of 34,384 listings starting at $799
Used Chevrolet Camaro
282 Great Deals out of 38,299 listings starting at $1,250
Used Ford Mustang
362 Great Deals out of 44,486 listings starting at $1,000
Used Chevrolet Malibu
1,006 Great Deals out of 85,672 listings starting at $1,995
Used Nissan Altima
1,087 Great Deals out of 82,558 listings starting at $670
Used Pontiac Bonneville
5 Great Deals out of 655 listings starting at $1,599
Used Pontiac GTO
10 Great Deals out of 484 listings starting at $6,500
Used Honda Accord
811 Great Deals out of 81,613 listings starting at $899
Used Toyota Camry
1,091 Great Deals out of 96,268 listings starting at $1,250