03 Rendezvous Defroster Problem


Old 10-16-06, 05:57 AM
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Join Date: Oct 2006
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03 Rendezvous Defroster Problem

Hi all.

I have an 03 Rendezvous that has developed a defroster problem. The heat and AC work fine on any setting, but when I switch to defrost, it will only blow cold air. Switch it back to panel vents or floor, and it comes out hot. AC works fine on all settings.

Any ideas?

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Old 10-16-06, 08:15 AM
HotxxxxxxxOKC's Avatar
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It's a common issue in your vehicle. There is a TSB (Tech. Service Bulletin) for it. Here's the link below to look at them. Pretty vague, but something the dealer should fix.


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