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No heat

Tiny
CAHMROHN
  • MEMBER
  • BUICK SKYLARK
I have a 1972 buick skylark and the climate control is bypassed with a toggle switch. The heat was working fine last winter now that it has gotten cold again it wont work but the blower is working fine.
Saturday, November 24th, 2007 AT 5:01 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be an air mix or blend door problem cable or vacuum -also a thermostat stuck open -heater hose or heater core clogged up.

How's the coolant level in the radiator and resevoir bottle.
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Saturday, November 24th, 2007 AT 6:05 PM
Tiny
CAHMROHN
  • MEMBER
  • 3 POSTS
The coolant levels are fine, all the wires and fuses still seem to be in tact but its still blowing cold air.
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Monday, November 26th, 2007 AT 7:39 AM
Tiny
CAHMROHN
  • MEMBER
  • 3 POSTS
So whats the first thing I need to do?
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Tuesday, November 27th, 2007 AT 4:38 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Flush out the heater core and follow it with the thermostat
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Tuesday, November 27th, 2007 AT 6:51 PM

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