2000 Chevy Astro heater

Tiny
KATHYKUDER
  • MEMBER
  • 2000 CHEVROLET ASTRO
Heater problem
2000 Chevy Astro 225000 miles

the heater only works on defrost. The air coming out is nice and warm but I cannot get it to change from defrost to any other position.
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Sunday, January 27th, 2008 AT 9:33 AM

2 Replies

Tiny
SERVICE WRITER
  • EXPERT
May be a bad heater control unit. Pretty pricy if I remember right. It needs to be tested.
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Sunday, January 27th, 2008 AT 9:36 AM
Tiny
BMRFIXIT
  • EXPERT
Add to up
check the back of the switch too
check the vacuum line and source
also
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Sunday, January 27th, 2008 AT 12:33 PM

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