stuck brushes on blower motor

[Kneale Brownson]

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At 10:15 AM 02/11/2002 -0600, Kelly Cole wrote:



>The intermittent fresh air blower on my 87 5KTQ was a stuck brush on the
>motor, the one that you can see with the vent tube pulled off the plastic
>shroud.  I'd like to pull the motor and clean things up.  How does the
>motor come out?  It looks like you remove the plenum via the three screws
>(and one of them is well hidden under the plenum, I guess.)  Other than the
>circlip at the end of the motor where the electrical connector is, what
>holds the motor in place?  The diagram in the manual shows three bearing
>like segments.  Where are they and what happens if I try to slide the motor
>out the way I just described?


The motor is supported/retained partially by the three bearing surfaces
that are part of a motor housing that often stays in the box when you
extract the motor, so you need to look for/remove it too or you'll never
get the motor back in.   I pushed the motor out by sticking a wood dowel in
the electric contacts end, I think.  You need to remove the plenum (third
screw toward the bottom is a tough one) AND pry up on the front of the box
to get sufficient clearance for removing the motor and fan assembly.   A
stiff-bladed putty knife helped me loosen the adhesive seal around the box
so I could pry it up enough to get the motor out.  I had to disconnect the
hoses to the heater core so that the box would come up enough.

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