24 00 030 Removing and Installing Automatic Transmission (GA6HP19Z)

24 00 030 Removing And Installing Automatic Transmission (GA6HP19Z) N54

Special tools required:







IMPORTANT:
After completion of work, check transmission oil level.
Use only the approved transmission oil.
Failure to comply with this requirement will result in serious damage to the automatic transmission.
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:
- Clamp off battery
- Remove underbody protection at front and rear
- Remove exhaust system
- Remove oxygen sensor, cylinders 1-3
- Support engine with jack when removing transmission







Release screws (1).
Remove holder (2).







Unfasten ground strap (1).
Remove retaining plates (2).







Release screws (1).
Remove retaining plate (2).







Unfasten nut.
Disconnect cable (1).

Installation note:
- Unfasten nut.
- Adjust cable by means of holder (2) until distance A=≥1 mm is obtained.
- Tighten nut.







Release screw (1).
Disconnect hydraulic lines (2) to transmission oil cooler.
Tightening torque 17 22 3AZ.

Installation note:
Replace sealing rings.







Crank engine at vibration damper in direction of rotation until screw (1) is visible in recess.
Release all 6 bolts of torque converter with special tool 24 1 110.

Installation note:
Replace converter screws. Remove any remaining adhesive residue from the thread.

Tightening torque 24 40 1AZ.







Disconnect plug connector (1).
Unfasten screws (2).
Remove cover plate (3).
Tightening torque 24 00 1AZ.







Release aluminium screw (1) on right next to cable retaining plate with special tool 00 9 010.
Aluminium screws must be replaced.
Tightening torque 24 00 2AZ.







Prepare special tool (1) 24 4 161 (A) with shaped element (2) 24 4 165, side (B) to (A).







Insert special tool 24 4 160 into recess of transmission housing and clamp gently with screw (1).
Raise by turning screw (2) and clamp down.
Then tighten down screw (1).







- Unlock and disconnect connector (1) by turning.
- Do not touch pins.
- Release cable from brackets.
- Insert special tool 24 2 390 in sealing cup.

Repair work is described in
Notes on mechatronics

IMPORTANT: Read and comply with important note.







Release screw (1) on left and right of axle.
Remove cover plate (2) on left and right of axle.
Remove bolt (3) on left and right of axle.
Tightening torque 31 10 1AZ.







Screw on special tool 11 8 910.







Adjust distance (1) between cross bar and facing using nuts (2).
Nuts (2) must be screwed down in opposite direction after distance has been adjusted.

IMPORTANT:
Distance:
N54 38.5 mm
N57 37 mm
N63 38 mm







Supporting transmission:
Support transmission with special tools 23 4 050,00 2 030.
Secure transmission to mounting with tensioning strap (1).
Tasks are described in gearbox holder.
After completion of work, check transmission fluid level.







Release screws (1) and (2).
Remove transmission cross member.
Tightening torque 22 32 3/4AZ.







- Remove propeller shaft

- IMPORTANT:
- Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft.
- Support engine with lifter when removing transmission.







Release screws.

Installation note:
Observe screw fastening sequence without fail.
Tightening torque, steel screws 24 00 1AZ.

Aluminium screws must be replaced.
Tightening torque and angle of rotation, aluminium screws/bolts 24 00 2AZ (7, 8, 9, 10, 11).







Installation note:
Tighten down screws/bolts to specified torque.

Special angle-of-rotation tool 00 9 120 with magnet 00 9 130
to vehicle underbody and screw down blue aluminium screws/bolts in accordance with angle of rotation.
Angle of rotation 24 00 2AZ.







Installation note:
Bore hole (1) of drive plate must be accessible from recess on engine oil sump.
Check fitting sleeves (2...3) for correct seating.
Replace damaged fitting sleeves.







Installation note:
Rotate torque converter until bore hole in torque converter is flush with bore hole in driving plate.
Flange automatic transmission to engine.