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Why isnt my heat working?

Tiny
CORNFED89
  • MEMBER
  • 1997 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • AUTOMATIC
I installed a new water pump on my 1997 pontiac sunfire but I aint got no heat at all?
Wednesday, December 8th, 2010 AT 7:02 PM

4 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
You may need to replace the thermostat. Is one of the two hoses running into the firewall, hot?
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Wednesday, December 8th, 2010 AT 7:06 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
One of the two coolant hoses running into the firewall should be hot to the touch
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Wednesday, December 8th, 2010 AT 7:09 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You probably still have air pockets in the system and need to get it all bled out.
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Wednesday, December 8th, 2010 AT 7:11 PM
Tiny
LEGITIMATE007
  • MECHANIC
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Yes wrenchtech has a good point, did you bleed the system?
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Wednesday, December 8th, 2010 AT 7:14 PM

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