1993 Cadillac Deville heater doesn't work...

1993 CADILLAC DEVILLE
Avatar
CJSWEETS04
  • MEMBER
  • 2 POSTS
Heater problem
1993 Cadillac Deville V8 159103 miles
----------------------------------------------------------------
my a/c blows cold but the heater doesn't work...even at 90 degrees.....what could be the cause and how could i fix it??
Dec 3, 2007 at 5:48 PM
Advertisement
Avatar
BMRFIXIT
  • CAR REPAIR CONTRIBUTOR
  • 19,053 POSTS
[quote:15ec3f6b1f="cjsweets04"]Heater problem
1993 Cadillac Deville V8 159103 miles
----------------------------------------------------------------
my a/c blows cold but the heater doesn't work...even at 90 degrees.....what could be the cause and how could i fix it??[/quote:15ec3f6b1f]

If its blowing cold air @ 90*
Check coolant check thermostat and if all good
Blend door
Dec 7, 2007 at 7:59 PM
Avatar
BUZZSAW
  • CAR REPAIR CONTRIBUTOR
  • 1,198 POSTS
[quote:6f509459b4="cjsweets04"]Heater problem
1993 Cadillac Deville V8 159103 miles
----------------------------------------------------------------
my a/c blows cold but the heater doesn't work...even at 90 degrees.....what could be the cause and how could i fix it??[/quote:6f509459b4]

ck heater hoses for warmth on both hoses to heater core also.
Dec 10, 2007 at 12:44 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.