Removing and Installing Automatic Transmission (6HP26Z)
24 00 023 - Removing and installing automatic transmission (6HP26Z/ N62, N62TU)
Special tools required:
- 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit
- 23 4 050 23 4 050 Universal Transmission Bracket
- 24 1 110 24 1 110 Socket with Magnet
- 24 2 390 24 2 390 Covering Cap
- 24 4 160 24 4 160 Support Bracket
- 24 4 161 24 4 160 Support Bracket
- 24 4 165 24 4 160 Support Bracket
Important!
After completion of work, check transmission oil level Checking/Topping Up Fluid Level in Automatic Transmission (GA6HP26Z/6HP32Z).
Use only the approved transmission fluid.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Important!
E60/E61 from 03/07 and E63/E64 from 09/07 vehicles have an Auto-P function.
Consequence:
With ignition on and selector lever in N position, the P position (transmission parking brake) is automatically engaged after 30 mins.
This can be prevented by manually unlocking the transmission interlock.
Warning!
Car must not be moved when the transmission interlock is engaged.
Failure to comply with this instruction will result in immediate transmission damage.
Necessary preliminary tasks:
- Disconnect battery Instructions for Disconnecting and Connecting Battery
- 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 oxygen sensors
- Support engine
Remove heat shields (1) and (2).
Detach plug (1) from speed sensor.
Release screw (2) and remove speed sensor.
Detach plug (1) from oil level sensor and unclip cable from fixtures.
Detach plug (1) and unclip cable duct (2) from transmission housing.
Tie wiring harness to one side.
Note:
Version 1
Grip clamping sleeve (1).
Slacken nut (2).
Detach retainer (3) towards bottom using a screwdriver.
Pull cable (4) out of holder.
Installation Note:
Adjust selector lever Adjustments
Note:
Version 2
Unfasten nut.
Disconnect cable (1).
Installation Note:
Unfasten nut.
Adjust nut via cable (2) until spacing A=1 mm is obtained.
Tighten nut.
Supporting transmission:
Support transmission with special tools 23 4 050 23 4 050 Universal Transmission Bracket, 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit.
Secure transmission to mounting with tensioning strap (1).
Tasks are described in Transmission bracket Universal BMW Transmission Take-Up.
After completion of work, check transmission oil level.
If necessary, release nut (1) and remove grounding strap.
Release screws (1) and nuts (2) and remove transmission cross-member.
Tightening torque 22 32 3AZ/4AZ 22 32 Transmission Mounts.
Illustration similar
- Remove propeller shaft from transmission.
- Release centre bearing.
- Tie propeller shaft to one side.
Tasks are described in Removing propeller shaft Removing and Installing Complete Propeller Shaft (Constant-Velocity Joint).
- Unlock and disconnect plug (1) by turning.
- Release cable from retainers.
- Insert special tool 24 2 390 24 2 390 Covering Cap in sealing sleeve.
These tasks are described in Notes on mechatronics Service and Repair.
(Important: Observe important note)
Release screw (1).
Disconnect hydraulic lines (2) to transmission fluid cooler.
Installation Note:
Replace sealing rings.
Crank engine at vibration damper in direction of rotation until screw is visible in opening.
Release all screws of torque converter with special tool 24 1 110 24 1 110 Socket with Magnet.
Crank engine further and release remaining 3 bolts.
Tightening torque 24 40 1AZ [1][2]Specifications.
Prepare special tool (1) 24 4 161 24 4 160 Support Bracket with shaped piece (2) 24 4 165 24 4 160 Support Bracket.
Illustration similar.
Insert special tool 24 4 160 24 4 160 Support Bracket into opening of transmission housing and clamp gently with screw (1).
Twist in screw (2) and clamp down.
Then tighten down screw (1).
Release screws.
Tightening torque, 24 00 1AZ Transmission in General.
Installation Note:
Bore (1) in driving disk must be accessible from opening on engine oil pan.
Check that dowel sleeves are correctly seated.
Replace damaged dowel sleeves.
Installation Note:
Rotate torque converter until bore in torque converter is flush with bore in driving disc.
Flange automatic transmission to engine.