Vent blowing issue

Asked by Apr 30, 2016 at 03:15 PM about the 2003 Chevrolet TrailBlazer LTZ 4WD

Question type: Maintenance & Repair

I have a 2003 Chevy trailblazer. Recently, the
battery died. So I changed the battery. I noticed
after I changed the battery, heat and air
conditioning does not blow as hard as it did. It used
to blow very hard. Now it's barely anything. I
already pulled the hvac fuse and done all the steps
there. But nothing works. How do I fix this?

1 Answer

10,380

it could be the blower motor resistor. this controls the speed of the blower motor.

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