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1989 chev s10 4.3 Heater blower does not always work

Last year found when it was cold outside and the truck was cold when starting the struck and switching on heater it would not come on, found if I tapped the heater fan casing it would then work fine.

So I'm thinking that the blower needs to be replaced? I know the heater core you have to go through the dashboard & glove compartment but being as I tap the heater casing would I be able to remove it from the other side in the engine at the firewall?

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  • brentzhome Dec 29, 2008

    The reason that I think its the blower motor is when it first does not start I tape it then turn the switch on and the blower come on nice and strong. So thinking it is the blower moter I'm i going in the right direction

  • brentzhome Dec 29, 2008

    i shall giver a shot then



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If its the blower motor you have to take it off from the outside theres no other way to remove it.

Posted on Dec 29, 2008

  • Ronnie Houston Dec 29, 2008

    you may be able to take the one in there out spray it down with wd 40 and fix it that way.its just worn is all. a new one should only run a bit over 30.00 but i agree you are going in the right direction


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