Heater

GRWILLIAMSIII

MEMBER
1997 CHEVROLET BLAZER
6 CYL
AWD
AUTOMATIC
163,000 MILES

My heat works intermittently. It does not turn-on on command. Only at random times I will hear the fans blowing. Once its on most of the time its good until I turn the car off. Its the same with a/c. The temperature is fine (when it decides to kick-in)I have checked fuses and switches everything seems to be in order. I am not sure where to begin.

Friday, December 17th, 2010 AT 8:17 PM

4 Replies

GRWILLIAMSIII

MEMBER
11 POSTS

The coolant level is good as well

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Friday, December 17th, 2010 AT 8:20 PM

WRENCHTECH

MECHANIC
20,761 POSTS

Are you referring to the blower intermittently not working?

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Friday, December 17th, 2010 AT 10:48 PM

GRWILLIAMSIII

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11 POSTS

Yes

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Friday, December 17th, 2010 AT 10:58 PM

WRENCHTECH

MECHANIC
20,761 POSTS

The next time it's not working, access the blower motor under the dash on the passenger side and rap it with a screwdriver handle. If it starts then, replace the blower motor.

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Friday, December 17th, 2010 AT 11:05 PM