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04 Suburban - No Rear Heat
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bcsskim
New User
Jan 18, 2009, 7:46 AM
Post #1 of 2
(1902 views)
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04 Suburban - No Rear Heat
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Vehicle has separate dual heat in front for driver and passenger. Front heat works fine. Rear heat does not work. There are controls up front - over head. There are controls behind center console for passengers. I have reread mannal and made sure I followed it. I have tried working boths sets of controls. I have checked all related fuses. None were blown. Rear heat does not warm up at all. Fan works fine- progressing to faster and slower fan speeds whith changing the control. Could there be a searate thermostat on the engine for the rear heat? A relay switch that needs replacing? Any other suggestions? Thank you for your assistance.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 18, 2009, 8:40 AM
Post #2 of 2
(1900 views)
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Re: 04 Suburban - No Rear Heat
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I'm a tad clueless on this for HEAT?? Try this link......
http://www.autozone.com/...eId=0900c152800a5c32
I think some are rear A/C only not heat at overhead controls for rear. It may be a separate option from aux air. It's listed! Heat should come from lower ductwork/outlets. Check for split in heater hoses to see if any even go towards rear. By that link the core in in RR quarter panel and a diverter blend door if rarely used could be stuck. Totally guessing - sorry,
T
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