Removing and Mounting Automatic Transmission

WM 373527 Removing and mounting automatic transmission





Technical values





Information

Notes

Note
When installing a new or replacement transmission, the adaptation values must be reset with the PIWIS Tester 97180. The shifting quality can be affected during the adaptation phase of the transmission control module.

Preliminary work

Preliminary work
Remove engine-transmission unit.

Remove the starter.

Removing automatic transmission

Disassembly work
1. Pull off vacuum line on flat-seat valve -1- and pull vacuum line out of guides on transmission.





2. Unclip coolant lines from holders -2- on transmission.
3. Loosen hose clamp and pull off coolant hose on flange on ATF cooler.





4. Unscrew fastening screws and loosen cable guide from transmission.





5. Remove drive belt.

Releasing torque converter
1. Turn engine clockwise until one of the bores (U4, U5, or U6, marked on belt pulley) in the belt pulley is aligned with the centering bore in the crankcase and fixing pin 95951 (short) can be inserted.





2. Insert assembly aid 95960 in starter opening and fix with screw.





3. Unscrew 2 screws (hexagon socket 6 mm) of converter screw through openings in assembly aid 95960.
4. Remove fixing pins 95951 (short), continue to turn engine clockwise 120° and insert fixing pins 95951 (short) again.
5. Unscrew 2 screws (hexagon socket 6 mm) of converter screw through openings in assembly aid 95960.
6. Remove fixing pins 95951 (short), continue to turn engine clockwise 120° and insert fixing pins 95951 (short) again.
7. Unscrew 2 screws (hexagon socket 6 mm) of converter screw through openings in assembly aid 95960.
8. Remove fixing pins 95951 (short).
9. Remove assembly aid 95960.

Removing the automatic transmission
1. Insert fixing pins 95951 (long) through converter bell housing, fixing converter in its position.





2. Unscrew 2 fastening screws.





3. Fit holder 96740 on transmission, secure with cotter pin and suspend transmission on workshop crane.





4. Unscrew remaining 6 connecting bolts between transmission and converter housing and remove transmission.

Mounting automatic transmission

Refitting the automatic transmission
1. Fit holder 96740 on transmission, secure with cotter pin and suspend transmission on workshop crane.





2. Refit transmission and screw in 6 connecting bolts. --> Tightening torque: 17 ftlb.
3. Disengage holder 96740 from workshop crane and remove from transmission.
4. Screw in remaining 2 fastening screws. --> Tightening torque: 17 ftlb.





5. Remove fixing pins 95951 (long) from converter bell housing.

Fastening torque converter
1. Turn engine clockwise until one of the bores (U4, U5, or U6, marked on belt pulley) in the belt pulley is aligned with the centering bore in the crankcase and fixing pin 95951 (short) can be inserted.





2. Insert assembly aid 95960 in starter opening and fix with screw.





3. Screw in 2 screws of converter screw through openings in assembly aid 95960. Insert --> Tightening torque: 29 ftlb.
4. Remove fixing pins 95951 (short), continue to turn engine clockwise 120° and insert fixing pins 95951 (short) again.
5. Screw in 2 screws of converter screw through openings in assembly aid 95960. Insert --> Tightening torque: 29 ftlb.
6. Remove fixing pins 95951 (short), continue to turn engine clockwise 120° and insert fixing pins 95951 (short) again.
7. Screw in 2 screws of converter screw through openings in assembly aid 95960. Insert --> Tightening torque: 29 ftlb.
8. Remove fixing pins 95951 (short).
9. Remove assembly aid 95960.

Assembly work
1. Guide in drive belt.
2. Screw in fastening screws and clip in cable guide in transmission. --> Tightening torque: 10 Nm (7.5 ftlb.)





3. Position coolant hose on flange of ATF cooler and fit hose clamp.





4. Insert vacuum line into guides on transmission and connect vacuum line to flat-seat valve -1-.





5. Clip coolant lines into holders -2- on transmission.

Subsequent work

Reworking
Install the starter.

Install engine-transmission unit.