Question about 1992 Buick LeSabre

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Blower fan comes on high only after 5 mins.

Started intermittently, but now the blower (hot or cold) wont come on until its been on full blast for about 5 mins.
if i try and turn it down to a more manageable speed it will often turn off until i turn it back on high. (it will come back on after about a min or two at that point)
blower motor? switch? resister?
if its a motor can i just pull it out and clean it?

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  • worldofnoise Apr 26, 2009

    my system is the standard one, no climate control.


    i've also noticed that if i've been driving a few times a day the blower comes on sooner and begines to behave more normally. otherwise it must be on full blast.


    i've also noticed that sometimes in "vent" mode cold air will trickel out the vents but in "max" i get nothing.

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  • Master
  • 3,113 Answers

Maybe a relay which is under the blower motor under hood or a blower control module or resistor depending on the ac system you have.

Posted on Apr 26, 2009

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