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  #1  
Old 08-09-2006, 06:35 PM
1cbtengr78 1cbtengr78 is offline
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Front A/C will change to heat while driving

My 2004 Tahoe will go from A/C to heat while I am driving. I have to pull over, turn the car off and turn it back on to reset it so it blows cool air again. I have played with the controls and everything, but the only thing that will get it to blow cool again is by turning it off then on again. Any ideas/suggestions/recommendations? Thanks.
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Old 08-09-2006, 06:55 PM
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swp5767 swp5767 is offline
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Re: Front A/C will change to heat while driving

Its still under warranty. Take it back to the dealer.

It may be a low pressure switch causing the compessor not to run. When it is blowing warm, see if the compressor is working.
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Old 08-12-2006, 10:51 PM
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mcontrols mcontrols is offline
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Re: Front A/C will change to heat while driving

My 06 was doing that right after I bought it. Drivers side would go full heat while passanger and rear was fine. Had a bad damper motor. Dealer replaced under warranty.

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Old 08-12-2007, 09:15 AM
bmoore37 bmoore37 is offline
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Re: Front A/C will change to heat while driving

Quote:
Originally Posted by mcontrols
My 06 was doing that right after I bought it. Drivers side would go full heat while passanger and rear was fine. Had a bad damper motor. Dealer replaced under warranty.

MC
The dealer will be pleased to charge you $350 to fix this problem, but the actuator vavle is about $35.00 online AC Delco part 15-7502
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