24 00 023 Removing and Installing Automatic Transmission (GA6HP26Z)

24 00 023 Removing And Installing Automatic Transmission (GA6HP26Z) (N63)

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.







Necessary preliminary tasks:
- Disconnect battery
- Remove fan cowl
- Remove both intake silencer housings
- Remove underbody protection at front and rear
- Remove exhaust system
- Secure engine in installation position







Unfasten ground strap (1).
Remove panels (2).







Unfasten nut.
Disconnect cable (1).

Installation note:
- Unfasten nut.
- Adjust cable by means of holder (2) until spacing A greater than 1 mm is obtained.
- Tighten nut.







Release screws (1).
Remove cover (2).
Tightening torque 24 00 1AZ.







When unflanging the transmission, pay attention to installation position of rubber plugs (1).







Release screw (1) and remove crankshaft sensor.
Disengage cable from holder (2).







- Release connector (1) by turning and disconnect
- Release cable from brackets
- Insert special tool 24 2 390 in sealing cup.

These tasks are described in Notes on mechatronics.

(IMPORTANT: Observe important note)







Release screw (1).
Disconnect hydraulic lines (2) to transmission oil cooler.

Installation note:
Replace sealing rings.







Release screw (1).
Release hydraulic lines with holder.







Crank engine at vibration damper in direction of rotation until screw (1) is visible in recess.
Release all 6 screws (1) on torque converter.
Tightening torque 24 40 1AZ.







Press special tool 24 1 380 together and insert into recess in transmission housing.







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







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.

Lower engine with transmission.
Secure engine and transmission in lowered position with engine bridge.
Then support transmission.







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.
Tightening torque 24 00 1AZ.
Unflange transmission.







Installation note:
Bore hole (1) of driving plate must be accessible from recess on engine oil sump.
Check that fitting sleeves (2) are correctly fitted.
Replace damaged fitting sleeves.







Installation note:
Rotate torque converter until bore hole in torque converter is flush with bore hole in drive plate.
Flange-mount transmission to engine.