Question about 2003 Cadillac Escalade Esv

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2003 escalade rear climate control no heat just cold air.

Read climate control works the fans and vents fine but i am getting no hot air. Front heat works great. Is there some valve solenoid or damper control that diverts heat to the rear? Could it be defective? Can I replace it myself?

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  • caresio Mar 01, 2009

    I have the same problem on my 2003 ESV, also won't switch from head vents to feet in rear? Let me know if you solve this one.

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There are two separate actuators for the rear system. one controls temperature and the other controls vents from head to feet. mine problem was the later. that acutuator for esv 2003 is 89018365. it is located just below third seat cup holder passenger side and can be replaced simply by removing cup holder. triangular shaped part with wire harness.

Posted on Jul 11, 2009

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Had same problem twice they changed rear heat actuator finally it works

Posted on Jun 09, 2009

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