Chevy Blazer
Heater Cores and Blower Fans
Chevy Blazer S-10
How To

How to change the blower motor on a 1997 s10 Chevy Blazer?


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2015-07-16 18:31:57
2015-07-16 18:31:57

If it's like my Bravada, It's behind the coolant reservoir which you will need to loosen and slide forward. The motor is black, is about 4" diameter and sticks out about 3". There is also a short rubber hose attached to it which you will reuse. There are (5) 7mm short screws holding the motor in, along with positive wire that unplugs and a negative wire attached with another 7mm screw. I used a 1/4" drive ratchet with a short extension and 7mm socket. Take note that there is a thin foam gasket around the old motor flange that you may want to reuse. If you are fast, you could have it changed out in 20 min. or less. It took me an hour. Mine cost $21.95 at the auto parts store.


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The blower motor would be located under the hood, on the firewall, close to the passenger side fender.

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They get noisy, squeal and vibrate. Also if you keep burning out the blower motor resistor, that is a sign the blower motor is on its way out.

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The fuse. The blower motor speed resistor. The blower motor relay. The blower motor switch. Check for power at the blower motor connection.

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