24 00 030 Removing and Installing Automatic Transmission (6HP19Z)
24 00 030 - Removing and installing automatic transmission (6HP19Z) N52/N52K/N53
Special tools required:
Important!
After completion of work, check transmission oil level 00 11 237 Checking/Topping Up Fluid Level In Automatic Transmission (GA6HP19Z).
Use only the approved transmission fluid.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Important!
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without colour coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
- Remove underbody protection with bracket at front and rear.
- Remove fan cowl Service and Repair
- Remove complete exhaust system Service and Repair (N52/N52K)
- Remove centre muffler (N53)
- Remove heat shields
Release screws.
Remove underbody protection (1).
Release screws (1).
Remove heat shield (2).
Disconnect connector (3).
Disconnect plug connector (1).
Release screws (2).
Remove cover plate (3).
Tightening torque 24 11 2AZ 24 11 Transmission Oil Sump.
Release aluminium bolt (1) on right next to cable retaining plate.
Aluminium screws must be replaced.
Tightening torque 24 00 2AZ 24 00 Transmission in General.
Version 1:
Grip clamping sleeve (1).
Slacken nut (2).
Detach retainer (3) downwards using a screwdriver.
Pull cable (4) out of holder.
Installation Note:
Adjust selector lever Adjustments.
Version 2:
Move selector lever to "Park".
Release shift cable head (1) using a screwdriver from ball head of shift lever.
Detach retainer (2) downwards using a screwdriver.
Slide cable (3) towards rear and disengaged in downward direction.
Installation Note:
Adjust selector lever Adjustments.
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.
Tasks are described in Transmission bracket 23 .. ... Universal BMW Transmission Take-Up.
Secure transmission to mounting with tensioning strap (1).
After completion of work, check transmission oil level.
Note:
N53 only
Remove cable from holders (1).
Unfasten screws (1) and nuts (2).
Remove transmission cross-member.
Tightening torque 24 71 1AZ/2AZ [1][2]Specifications.
- Remove propeller shaft from transmission.
- Release centre bearing.
- Tie propeller shaft to one side.
Tasks are described in Removing propeller shaft 26 11 000 Removing and Installing Propeller Shaft (Cardan Universal Joint) Completely.
Release screw (1).
Disconnect hydraulic lines (2) to transmission fluid cooler.
Installation Note:
Replace sealing rings.
Release nut (1) and bracket from transmission oil lines on oil sump.
Crank engine at vibration damper in direction of rotation until screw (1) 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 5 bolts.
Tightening torque 24 40 1AZ [1][2]Specifications.
Prepare special tool (1) 24 4 161 24 4 160 Support Bracket(A) with shaped section (2) 24 4 165 24 4 160 Support Bracket side (A) to (A).
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).
Illustrations show E87.
Lower transmission and lock with a suitable block (1) between steering and oil sump.
- Unlock and disconnect plug (1) by turning.
- Do not touch pins.
- Release cable from retainers.
- Insert special tool 24 2 390 24 2 390 Covering Cap in sealing sleeve.
Operations are described in
Notes on mechatronics 24 34 ... Notes on Mechatronics (GA6HP26Z/GA6HP32Z/GA6HP19Z)
Important!
Read and comply with important note.
Release screws.
Installation Note:
Observe screw fastening sequence without fail.
Tightening torque, steel screws 24 00 1AZ 24 00 Transmission in General.
Aluminium screws/bolts must be replaced.
Tightening torque and angle of rotation, aluminium screws/bolts 24 00 2AZ 24 00 Transmission in General.
Installation Note:
Tighten down screws/bolts to specified torque.
Secure rotation angle of special tool 00 9 120 with magnet 00 9 130.
Secure to floor plate and screw down aluminium screws/bolts in accordance with angle of rotation.
Angle of rotation 24 00 2AZ 24 00 Transmission in General.
Installation Note:
Bore hole (1) of drive plate must be accessible from opening on engine oil sump. Check dowel sleeves (2...3) for correct seating.
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.