Removing and Installing Transmission (GS6-37BZ)
23 00 019 - Removing and installing transmission (GS6-37BZ)
Special tools required:
- 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit
- 23 0 131 23 0 130 Take-Up Support for Transmission
- 23 0 132 23 0 130 Take-Up Support for Transmission
- 23 0 134 23 0 130 Take-Up Support for Transmission
Important!
After completion of work, check transmission fluid level Procedures.
Use only the approved transmission oil.
Failure to comply with this requirement will result in serious damage to the manual transmission.
Necessary preliminary tasks:
- Clamp off battery Instructions for Disconnecting and Connecting Battery.
- Remove underbody protection at front and rear.
- Remove reinforcement plate Service and Repair.
Important notes on installation are described in this work step.
- Remove exhaust system Service and Repair after catalytic converter.
Remove heat shields (1) and (2).
Release screws.
Tightening torque 23 00 1AZ Transmission in General.
Detach plug (1) from reversing light switch.
Release cable from retainers.
Release screws.
Tightening torque 23 71 4AZ 23 71 Transmission Mounts.
Remove exhaust system bracket (1).
Supporting transmission:
Support with special tools 23 0 134 23 0 130 Take-Up Support for Transmission, 23 0 131 23 0 130 Take-Up Support for Transmission, 23 0 132 23 0 130 Take-Up Support for Transmission and 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit. After completing work, check gear oil level.
Unfasten screws (1) and nuts (2).
Remove transmission cross-member.
Tightening torque 23 71 2AZ/5AZ 23 71 Transmission Mounts.
Release screws.
Remove transmission bearing block (1).
Tightening torque 23 71 4AZ 23 71 Transmission Mounts.
- Remove propeller shaft from transmission.
- Release center bearing.
- Tie propeller shaft to one side.
Tasks are described in Removing propeller shaft Removing and Installing Complete Propeller Shaft (Constant-Velocity Joint).
Lift off retainer (1).
Disconnect shift rod (2).
Installation Note:
Grease shift rod.
Grease, refer to BMW Service Operating Fluids.
Make sure shims (3) are in correct position.
Release and remove bearing pins (1) in direction of arrow.
Lift out shift arm (1).
Installation Note:
Grease bearing pins (1).
Grease, refer to BMW Service Operating Fluids.
Note:
Pressure line of clutch slave cylinder remains connected.
Important!
Slowly relieve tension on clutch slave cylinder otherwise air is drawn in through sealing sleeve.
Release nuts and remove clutch slave cylinder.
Tightening torque 21 52 5AZ [1][2]Clutch Hydraulic System.
Release screw (1).
Release screws.
Tightening torque 23 00 1AZ Transmission in General.
Important!
Do not allow the transmission to hang off from the transmission input shaft as this will deform the clutch plate. Pull out transmission towards rear and remove.
Installation Note:
Check that dowel sleeves are correctly seated.
Replace damaged dowel sleeves.
Ensure correct position of cover plate.
Installation Note:
Check lubrication of transmission input shaft for sticky consistency. If grease is sticky, clean input shaft and replace clutch plate Service and Repair.
Check clutch plate for friction rust in splines and replace Service and Repair if necessary.
Mechanically remove existing grease and lining abrasion from splines of clutch plate (with a cloth).
Installation Note:
Greasing specification:
- Remove and clean release bearing and release lever Service and Repair.
- Push on grease scraper ring as far as it will go.
- Grease splines (1) of input shaft with a brush. Refer to BMW Service Operating Fluids.
- Detach grease scraper ring.