5k heater motor

Kurt W. Deschler desch at WPI.EDU
Sat Jan 17 23:57:37 EST 2004


I thought about this, but the bearings in my blower motor are going too so
I will likely just replace the motor. The top brush should be trivial to
replace with the motor in. The bottom brush would require a hot knife or
dremel tool, small angled pliers, and mirror to get to (if you're lucky).
Use plastic welder to glue the cut-out piece back on if you go that
route. Also make sure the
armature is not worn all the way through before you spend time on it. The
brushes may have cut through all of the metal and now you may just be
pushing sideways hard enough to get a connection. I saw this on a friend's
cooling fan motor and it could not be repaired. The motor would only run
vertically because gravity would push the armature into the brushes. If
the motor could be rotated 180 degrees, that would make life much
easier. I didn't think of that when I had mine apart.

	-Kurt
	'87 5kcstq

> Message: 8
> Date: Sat, 17 Jan 2004 18:44:02 -0500 (EST)
> From: "Robert M. Shydo Jr." <rms29 at cornell.edu>
> Subject: 5k heater motor
>
> Blower motor on my 5ktq gave out soon after I bought it, but hasn't really
> been a big deal until its been chilling in the negative temperatures here
> for a while, heated seats don't do the whole job and I've had to keep
> scraping the inside of the windshield because condensation from breathing
> made it impossible to see out.  Checked the voltage to it, its good.
> Sprayed contacts with cleaner through the hose on the motor and nothing.
> Played with it a bit and couldn't get anything to work, until finally out
> of frustration ended up stabbing it with a screwdriver.  Strange how that
> gets it to work.  So now I wedged a bolt in it where the screwdriver was,
> hooked the hose back up and everything is good.  Almost like the brushes
> somehow went out of alignment or it is now using a different part of the
> brushes (if an edge was formed).  Doubt this is a permanant solution
> though, any chance at all the brushes can be swapped out without pulling
> the motor (even if it takes surgical precision)?
>
> Rob Shydo
> '87 5ktq driver
> '86 4ks rally beater



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