For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1998 🢒 Blazer - 4WD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Cold Drafts on Floor

Cold Drafts on Floor for Chevrolet Blazer - 4WD 1998

Problem	Action
The air inlet valve is partially open.	The air inlet valve should close properly in all modes except the recirculation mode. Repair the air inlet valve as necessary.
The side door seals are damaged or missing.	Inspect all of the door seals. Repair or replace any faulty doors.