2000 Chevy Astro heater

Tiny
KATHYKUDER
  • 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

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Tiny
SERVICE WRITER
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  • 9,232 POSTS

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
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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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