Your experience points out the advisability of periodically shooting the
brushholder with Fluidfilm or other penetrant, if it hasn't been anti-seized.
Brian
At 08:44 PM 6/8/98 -0700, steve leung wrote:
>I went to check the electromagnetic fan clutch operation on my newly
>acquired 84 505S XN6 sedan 2 hours ago and found it not working. The
>carbon brush was stuck and not making contact. Sprayed it with lubricant
>but did not free it. I proceede to remove plastic brush housing but it
>would not come out, it was also stuck. I sprayed more WD40 on it then
>used a pair of vise grip to loosen it by twisting it back and forth. It
>came out half way and broke! Damm, I was cursing! Same thing happened
>on my XD2S diesel. Must be a common problem caused by corrosion of the
>aluminum which binds the plastic housing. On the XD2S I was able to use
>a drill bit to drill it out. Not so on the XN6, the fan clutch/ brush
>assembly is in a different location with no room to do anything.
>Assessing the situation, it looks as if I have to pull out the entire
>clutch fan in order to gain access. This means pulling the radiator, fan
>blade, then fan clutch. That's a big job and I did not want to do it.
>So I tried a propane torch to heat up the aluminun around the brush
>assembly hoping it would soften the plastic and then push it out with the
>short end of an allen key. That didn't work, it wouldn't budge! I
>kept trying to think of other ways to get it out without having to pull
>the fan clutch. If I can only apply leverage and press it out with a
>dowel of sorts! I have a plan! I measured the diameter of the broken
>half of the plastic piece of crap. Found a few hex nuts that are smaller
>in diameter than it. Crazy glued one nut to the flat of a long handled
>slotted screwdriver (18"). Lined the nut up with the carbon brush and
>used leverage (againt the bronze contact) to press it out. It moved a
>little and the nut stayed in there! I glued another nut on and pressed
>it out a little more. After the third nut the broken plastic piece came
>out enough to be pulled out with a vise grip. Was I glad that worked!
>
>Now I have to say something about the design of that plastic brush
>assembly. Why didn't Peugeot use a stronger insulation material that
>won't break? Why couldn't Peugeot insert a stainless sleeve in the
>aluminum so corrosion is not a problem? Hey Brian, do you have any
>carbon brushes in stock?
>
>Steve
>
>_____________________________________________________________________
>You don't need to buy Internet access to use free Internet e-mail.
>Get completely free e-mail from Juno at http://www.juno.com
>Or call Juno at (800) 654-JUNO [654-5866]
>
>
>
Brian Holm, Peugeotholm
Supplying parts for Peugeots only, since 1969
Plainfield, VT 802.454.7132 Fax 454.1310