where is the heater control valve located on 1999 chevy truck
Oct 21, 2008 at 1:45 AM
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DOCFIXIT
✓Experienced Mechanic
18,828 POSTS
Don't have one stopped doing that in early 80's.
It is a blind door now that shuts off air flow through core.
Oct 21, 2008 at 4:02 AM
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