2004 Chev Suburban Air only blowing through defrost port

Asked by CoachCon Jun 30, 2018 at 01:47 PM about the 2004 Chevrolet Suburban 1500 LS 4WD

Question type: Maintenance & Repair

When I first turn on the vehicle I can get heat at my feet but within seconds all
air, both heat and A/C blow only through defrost. Is this a control module issue?
No matter which setting all air is diverted to defrost

1 Answer

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