CHEVY HEATER

2000 Chevrolet Astro

Tiny

kathykuder

January, 27, 2008 AT 9:33 AM

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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2 Answers

Tiny

Service Writer

January, 27, 2008 AT 9:36 AM

May be a bad heater control unit. Pretty pricy if I remember right. It needs to be tested.

Tiny

BMRFIXIT

January, 27, 2008 AT 12:33 PM

Add to up
check the back of the switch too
check the vacuum line and source
also

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