My daily is a 1988 528e. The fresh air blower motor works most of the time but it makes terrible noise because the bearings/bushings are rusted/shot, so I never use it. I finally took the time to remove it and wanted to document the repair process for anyone interested.
1) Remove the access panel. There are 6 screws, 3 top and 3 bottom. There are also some wires zip-tied to the front, don't forget to snip the zip-ties.
2) Remove the left and right squirrel cage covers. These are snap-in. Be gentle when prying them off.
3) Unlatch the motor and unplug the wires while pulling the motor out.
4) Remove the squirrel cages! First I sprayed both sides of each cage with PB to loosen the rust. Next I placed a drill bit apex in the open shaft of the squirrel cage. Finally I held the cage very gently in one hand and used a rubber mallet to tap the drill bit apex into the motor shaft. It took about 10 hits before the shaft worked its way out. I had both sides off in a couple of minutes with no damage.
5) Get a new motor! You could spend $288.46 for the motor with squirrel cages, or if you got the cages off in one piece you can order the motor only for $77.21. I ordered part # 0 130 063 012 from Advance Auto and used a 25% off coupon. With taxes my receipt was $61.82.
The Motor: http://shop.advanceautoparts.com/p/b...ontent=general
6) I'm waiting for the new motor to arrive. Updates soon.
1) Remove the access panel. There are 6 screws, 3 top and 3 bottom. There are also some wires zip-tied to the front, don't forget to snip the zip-ties.
2) Remove the left and right squirrel cage covers. These are snap-in. Be gentle when prying them off.
3) Unlatch the motor and unplug the wires while pulling the motor out.
4) Remove the squirrel cages! First I sprayed both sides of each cage with PB to loosen the rust. Next I placed a drill bit apex in the open shaft of the squirrel cage. Finally I held the cage very gently in one hand and used a rubber mallet to tap the drill bit apex into the motor shaft. It took about 10 hits before the shaft worked its way out. I had both sides off in a couple of minutes with no damage.
5) Get a new motor! You could spend $288.46 for the motor with squirrel cages, or if you got the cages off in one piece you can order the motor only for $77.21. I ordered part # 0 130 063 012 from Advance Auto and used a 25% off coupon. With taxes my receipt was $61.82.
The Motor: http://shop.advanceautoparts.com/p/b...ontent=general
6) I'm waiting for the new motor to arrive. Updates soon.
Attached Files
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