24 00 023 Removing and Installing Automatic Transmission (GA6HP26Z)

24 00 023 Removing And Installing Automatic Transmission (GA6HP26Z) 4WD

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 both intake filter housings
- Remove exhaust system
- Secure engine in installation position
- Remove front propeller shaft
- Remove propeller shaft from transmission.
- Release centre mount.
- IMPORTANT:
- Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft.
- Tie up propeller shaft to underbody.
- Support engine with lifter when removing transmission.







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







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







Unfasten nut.
Disconnect cable (1).

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







Release screw (1) and remove crankshaft sensor.
Disengage cable from holder (2).
Detach connector (3) from oil pressure switch.







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 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)







Insert special tool 24 2 390 in sealing sleeve (1).







Disconnect connector (1) from transfer box control unit (longitudinal torque module) (2).







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.







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







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 22 32 3AZ.







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







Installation note:
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.