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1993 Buick Roadmaster Question: Blower Motor - No Heat

 

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RonScott, Rochester, MI, February 15, 2010, 18:05
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Blower has stopped infrequently over the past year, but daily for 2 weeks now coming back on occasionally until 1 week ago. Now no forced air at all. No funny noises or odors, and I've been told it may be a relay.

Any suggestions?

Thanks!
-Ron

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, February 15, 2010, 18:25
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     Master

    Funny odor and no fan operation may be either of two things, if it smells like burning plastic the motor may have burned out if it smells a little more foul a rodent may have built a nest in the air ducting or motor itself (see it frequently). There are 3 bulletins from Buick having to do with heater fan motor, odor and insufficient blower air flow (heater door in heater housing issue takes about an hour to fix). Blower motor remove and refit new motor takes about .7 to .8 hour. Blower motor resistor takes about takes about .5 hour and the part is about $35.
    Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info .There is a company that independent auto repair shops "buy" their information from that offer a very reasonable service to do it yourselvers. You get a one year subscription to year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... great quality information same as the professionals have ,much better than generic workshop manuals from parts stores, much cheaper than the factory manual. http://bit.ly/alldata_repair_manuals or try http://bit.ly/mitchell_repair_manuals_online and get an online repair manual subscription.

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