24 00 034 Removing and Installing Automatic Transmission (GA8HP70Z)

24 00 034 Removing and installing automatic transmission (GA8HP70Z) N63

Special tools required:







IMPORTANT:
- Do not let skin come in contact with transmission oil and do not inhale transmission oil vapours.
- Wear protective gloves.
- Ensure adequate ventilation







IMPORTANT:
After completion of work, check transmission oil level.
Use only the approved gearbox oil.
Failure to comply with this requirement will result in serious damage to the automatic transmission.







Necessary preliminary tasks:
- Clamp off battery
- Remove both suspension cross-braces
- Remove the left and right intake port
- Remove front underbody protection
- Remove reinforcement plate
Important installation notes are described in this job item
- Remove propeller shaft
- Support engine with jack when removing transmission







Unfasten ground strap (1).







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







When unflanging the gearbox, pay attention to installation position of rubber connectors (1).







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







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

Operations are described in:
Notes on mechatronics

IMPORTANT: Read and comply with important note.







Release screw (1).
Undo hydraulic line and holder.







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

Installation note:
Replace sealing rings.
Note installation position.







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







Insert special tool 24 4 131, 24 4 138 into recess in transmission housing.
Lock the torque converter by tightening the special tool.







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:
N63 38 mm







Supporting transmission:
Support transmission with special tools 23 4 050,00 2 030.
Secure transmission to mounting with tensioning strap (1).
Repair work is 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.







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







Release screws.
Tightening torque 24 00 1AZ.
Unflange transmission.







Installation note:
Bore (1) in drive plate must be accessible from opening in transmission housing.
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 automatic transmission to engine.