And how. Just about made me pee my pants it hurt so bad.
-Curt
From: Fred Moir via Mercedes <mercedes@okiebenz.com>
To: Mercedes Discussion List <mercedes@okiebenz.com>
Cc: Fred Moir <fredh.s...@hotmail.com>
Sent: Sunday, December 20, 2015 6:26 PM
Subject: Re: [MBZ] Pumpkin time.
Peter.
Thanks for the method and pointers.
I'd only add, disconnect the battery. Curt can attest that the wiper assembly
can pinch thumbs and anything else in the way.
Fred
________________________________________
From: Mercedes <mercedes-boun...@okiebenz.com> on behalf of Peter Frederick via
Mercedes <mercedes@okiebenz.com>
Sent: 20 December 2015 23:09
To: Mercedes Discussion List
Cc: Peter Frederick
Subject: Re: [MBZ] Pumpkin time.
Blower motor is fairly easy on these.
Remove wiper arm by taking out the pinch bolt and sliding off. Please
be careful not to slam something into the windshield.
Pull trim at base of windshield off. Watch for loose seals, they need
to be glued back on.
Pull seal off inner firewall, then remove the screws and finger grip
knobs to allow you to remove the side tray drains (may have to do the
next step first though). Keep screws in order, there are several sizes.
Remove small phillips head screws on the seal around the base of the
wiper motor and remove the screen over the blower motor.
Stuff rags around the heater box so you won't drop a nut in, it's real
pain. Unplug wiper motor and remove four nuts to release it.
CAREFULLY remove it, if some monkey went crazy with windshield sealant
on a replacement it's possible to have it stick badly, and you can
crack the windshield if you tip it up from the bottom too much. One
nut is hard to see.
Unclip the outside air temp sensor and move it out of the way.
Unclip all the little steel clips that hold the upper housing of the
heater box and it will come off.
Motor is held in by a spring clip. Pull the wires off (two, red and
blue I think). Unclip spring clip and lift motor out.
Drop new motor in and attach wires and spring clip and test, it's a
tight fit and you don't want it rubbing on the housing. If it's still
dead, you will need to replace the controller. That is underneath the
blower, held in place by one screw. Take out the screw and wrestle it
out, the factory one is huge and only comes out one way. Wires go
through a seal on the box, you need to push it out and unplug the
harness by the brake booster and fish in out through the box.
Installation is the reverse. Don't drop any nuts down the heater box,
they go into never-never land.
Don't forget to put the outside air temp sensor back in the hole, and
make absolutely positive that the upper housing fits together before
you try to attach the clips.
Peter
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