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Art Benstein, heater motor help 200 1989

posted by  B0RK ^3 on  Wed Jan 26 12:03 CST 2011
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last visit: Wed Oct 15 18:09 CST 2014
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So I did the heater motor and airflow is now kinda wimpy. It works, which is great, but it kinda just trickles out. Points to note: pre heat hose and box thermostat are not done yet, and there was a small hole where the power wires on the blower motor go through that may/may not have been tightly sealed. But I really think the problem lies with the duct plumbing. Possible it's not entirely sealed... Another question, is how would you seal that plumbing? There were staples all rusty, on some of the connections by the vents going to the front defrost. Should those be restapled? Or sealed w/ some sort of tape.
I have a feeling the worst of the job is done already, just going back and checking connections may or may not be that difficult now.
Thanks again, Bork times three








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    Art Benstein, heater motor help 200 1989

    posted by  B0RK ^3 on  Thu Jan 27 12:31 CST 2011
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    last visit: Wed Oct 15 18:09 CST 2014
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    The problem in fact was probably the little rubber boot that goes around the wires to seal the bottom hole of the blower housing. that hole is where the wires for the heater motor go through. I believe when i sealed that more properly, the velocity of air got better. It's hard not to pull that out of it's seat, because the wires that connect it to the aftermarket cheapo resistor harness are too short to begin with and struggling with that made the seal for the housing kind of hindsight. Now i see though, the seal for that is kind of important.
    --
    '89 245 DL B230 Manual








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    Art Benstein, heater motor help 200 1989

    uid 12839's pic
    posted by  Paul Driver of Inga on  Wed Jan 26 12:17 CST 2011
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    last visit: Sun Mar 25 16:42 CST 2012
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    Does the motor change speeds when you turn the speed knob? You may have a resistor problem that affects your fan speed. Do you have all the vacuum lines hooked up correctly? Either one of those will cause what you describe.

    If there were air leaks in the ducts, you should be able to find them with your hand.

    Regards,

    Paul








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      Art Benstein, heater motor help 200 1989

      posted by  B0RK ^3 on  Wed Jan 26 19:13 CST 2011
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      last visit: Wed Oct 15 18:09 CST 2014
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      The fan works on all four speeds now. There were some loose wires from a cheapo resistor harness. There is still a bit of proper assembly to be done to the center counsel area. I'll check for leaks and what not then. Thanks








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        Not expert, just a documenter 200 1989

        uid 27's pic
        posted by  Art Benstein on  Thu Jan 27 05:23 CST 2011
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        last visit: Fri Oct 17 20:10 CST 2014
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        Maybe you're suspicious of that new motor not developing the RRRRRs the old one had. I dunno, but like Dan, I'd go with checking those flaps (love that little vacuum tester) especially the recirc door. Hope you don't have a blocked evap or heater core - but then you wouldn't notice the change.

        Hey I have another to change (90) maybe this weekend if I can get the snow cleaned up.
        --
        Art Benstein near Baltimore

        A famous Viking explorer returned home from a voyage and found his name missing from the town register. His wife insisted on complaining to the local civic official who apologized profusely saying, "I must have taken Leif off my census."







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