No heat from front vents of 2005 Chevy Suburban

30

Asked by Oct 24, 2014 at 10:24 AM about the 2005 Chevrolet Suburban LT 1500 4WD

Question type: Maintenance & Repair

No heat from front vents of 2005 Chevy Suburban even w/ fan turned all the way up on
digital read out. As RPM go up more air comes out (@ temp), less when going slower.  
Not sure where to start with what to check/fix. No problems w/ rear fan control.

6 Answers

30

I should clarify - the air that does come out when RPM are up is warm to whatever temp is set, the problem is I can't get any change in the amount of air blowing from the front vents even w/ the fan set to high

2 out of 2 people think this is helpful.
7,515

is your blower running and is the air the out side temp

1 out of 1 people think this is helpful.
30

air temp is set to 80-90 in the mornings and is set to come from the outside. i don't hear the blower at all regardless of where the control is set

7,515

did you check at the blower to see if their is power to it

30

haven't torn into it yet - trying to gather a list of everything to look at

1 out of 1 people think this is helpful.
18,770

First start with checking the fuse. Then look at the plug where the blower motor resistor plugs into the blower motor. The plug sometimes melt and end up shorting out the blower motor and blower motor resistor. If the fan only works on High then it will be just the blower motor resistor. All of this is located behind the glove box near the firewall.

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