Valve Body: Service and Repair

24 34 561 - Replacing mechatronics (GA6HP26Z/6HP32Z)





Special tools required:
- 24 2 390 24 2 390 Covering Cap





Note:
After completing work:

- Load specific data version with DIS.





Important!
After completion of work, check transmission oil level Checking/Topping Up Fluid Level in Automatic Transmission (GA6HP26Z/6HP32Z).

Use only approved transmission fluid.

Failure to comply with this requirement will result in serious damage to the automatic transmission!





Important!
Read and comply with notes on protection against electrostatic damage (ESD protection) 61 35 ... Notes on ESD Protection (Electro Static Discharge).





Necessary preliminary tasks:
E60/ E61/ E63/ E64, E70 N62/N62TU only:

- Remove exhaust system Service and Repair.
- If necessary, release cross-member from exhaust system on transmission.
- If necessary, remove heat shield Removing and Installing Automatic Transmission (6HP26Z) on left and right.
- Remove transmission cross-member.





Note:
Version 1:

Unfasten nut.

Remove cable (1).

Installation:
Adjusting shift lever





Note:
Version 2:

Grip clamping sleeve (1) and slacken nut (2).

Detach retainer (3) towards bottom using a screwdriver.

Pull cable (4) out of holder.

Installation:
Adjust selector lever Adjustments





Note:
Version 3:

Release screw (1).

Remove clamp (2).

Release shift cable head (3) using a screwdriver from ball head of shift cable lever.

Installation:
Adjust selector lever.





Secure lever (1) with a cable tie (2) or wire in vertical position.

Note:
Illustration shows E65.





Important!
Mechatronics can be destroyed by static discharges. Therefore the contacts inside the plug must not be touched. Insert special tool immediately after work step.

Unscrew plug (1) and disconnect.





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

Remove transmission oil sump Service and Repair.





Unlock sealing sleeve with slide (1).





Note position of sealing sleeve.

Pull out sealing sleeve (1).

Installation:
Screw in sealing sleeve partially (lug in upper area). Turn until lug engages in groove of transmission. Slide in sealing sleeve.

Lug on sealing sleeve must not be damaged!





Note:
GA6HP26Z, GA6HP32Z

Release all screws (1 and 2).

- 1 = M6 x 59 mm
- 2 = M6 x 20 mm
Remove mechatronics.





Note:
GA6HP26TU, GA6HP32TU

Release all screws (1 and 2).

- 1 = M6 x 59 mm
- 2 = M6 x 20 mm
Remove mechatronics.





Important!
E65/66 only:

Mechatronics without protective bar for solenoid valve must not be reused after removal.





Important!
E65/66 only:

Fit/reuse only mechatronics with protective bar (1) for solenoid valve.





Installation:
Check gaskets (1 and 2) for damage, replace gaskets if necessary.

Coat new seals with automatic transmission fluid and install.





Installation:
Insert screws (3) alternately until contact is made with each screw head.

Insert all further screws contact is made with each screw head.





Note:
GA6HP26Z, GA6HP32Z

Important!
Tighten down screws in order 1...10.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Tightening torque 24 30 1AZ Hydraulic / Electric Control Parts And Controlling Elements.





Note:
GA6HP26TU, GA6HP32TU

Important!
Tighten down screws in order 1...13.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Tightening torque 24 30 1AZ Hydraulic / Electric Control Parts And Controlling Elements.