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2003 GMC Safari Question: a/c or heater

 

Question

roznebd, Monterey Park, CA, June 24, 2009, 00:39
 Rookie

a/c or heater not blowing air from front vents. you can hear the blower motor, but can barely feel the air. high setting also not working. only med. and low work. please help.

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    Russ June 26, 2009, 11:00
     Master

    Is it possible the air is coming out of the windshield vents all the time? That would indicate a problem with the vacuum supply from the engine to the A/C control assembly. As far as the blower motor goes there is a the high speed works through a relay which is part of the blower motor resistor assembly. Two possible causes would be the switch or the resistor assembly. Please have the blower motor system diagnosed to find the cause of your problems before replacing any parts.

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    Carol Rae, July 19, 2010, 18:13
     Rookie

    The air IS only coming out of the windshield vents in my car. What do I do now?

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  • Answer #2

    Visitor, April 22, 2010, 07:59

    where does vacum line conect to engine

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  • Answer #3

    kitsap July 07, 2010, 11:43
     Rookie

    the fan barely blows in front

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