HEATER

2004 Chevrolet Blazer

Tiny

BuscuitsMom

October, 2, 2013 AT 12:44 PM

Can not get air/heat to blow through floor vents. It defaults to defrost when floor is selected. All other vents working properly and air/heat is coming from other vents. My fear is the dash will have to be pulled for a repair.

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1 Answer

Tiny

hmac300

October, 2, 2013 AT 1:21 PM

Check for a vacuum leak first as it's operated by vacuum. It
s on the lh side top of hvac unit so you may be able to reach it. See pic.

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