Final Drive Disassembly

Final Drive Disassembly
Final Drive missing a spring
Final Drive missing a spring
Final Drive (missing a spring). Splines aren't that bad though.

Copyright: © Josh Withers

Final Drive brake shoes removed
Final Drive brake shoes removed
Final Drive brake shoes removed

Copyright: © Josh Withers

Final Drive
Final Drive
The next step is holding the drive gear in place, flattening this washer down, and removing this nut with a good impact gun.
Copyright: © Josh Withers

Final Drive 04
Final Drive 04
Nut off

Copyright: © Josh Withers

Final Drive 05
Final Drive 05
Gear removed
FinalDrive06
FinalDrive06
BMW tool used to remove the threaded ring inside this shaft area
Final Drive 07
Final Drive 07
Threaded Ring removed with seal inside.
Final Drive 08
Final Drive 08
Note the way this washer is inserted/shouldered
Final Drive 09
Final Drive 09
Notice the shoulder on this washer
Final Drive 10
Final Drive 10
removing that large washer
FinalDrive12
FinalDrive12
Bearing inside the threaded ring
FinalDrive23
FinalDrive23
Seal Removal from the threaded ring
28x55x9 part number 33 12 1 231 542
FinalDrive14
FinalDrive14
Removal of the M8 nuts with a 13mm socket
FinalDrive13
FinalDrive13
Removal of the M8 nuts with a 13mm socket
FinalDrive15
FinalDrive15
I'm pretty sure this was a M5 screw I had lying around. Ignore the red locktite looking stuff at the tip. These screws are needed to push the cover off the housing.
FinalDrive17
FinalDrive17
Empty final drive
FinalDrive16
FinalDrive16
Final drive parts
Final Drive 19
Final Drive 19
Notice the shim/washer. Also take note of that small pin in the casting just above the gear. That pin needs to be removed to remove the needle bearing nested inside the housing.
FinalDrive20
FinalDrive20
There is that same shim
FinalDrive21
FinalDrive21
Press out the axle bushing/tube
FinalDrive22
FinalDrive22
Axle bushing
FinalDrive25
FinalDrive25
Press out the differential / crown gear
FinalDrive26
FinalDrive26
Notice the giant shim/washer
FinalDrive27
FinalDrive27
Press out the seal from the cover plate.
FinalDrive28
FinalDrive28
Press out the seal from the cover plate. 65X85X10 part number 33 12 1 233 528
Final Drive29
Final Drive29
Seal removal
FinalDrive30
FinalDrive30
This housing was put in the oven at 350 degrees for about 20 minutes
FinalDrive31
FinalDrive31
The bearings practically fell out of the housing when picking it up out of the oven.
FinalDrive32
FinalDrive32
Removed gear and bearings - HOT TO TOUCH!!!
FinalDrive33
FinalDrive33
HOT final drive housing
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