Automatic Transmission/Transaxle: Service and Repair
WM 373527 Removing and mounting automatic transmission
Tools
Technical values
Information
Notes
Information
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
Remove engine-transmission unit. => 100119 Removing and installing engine - "Removing" section
Remove the starter. => 276019 Removing and installing starter - removing
Removing automatic transmission
Dismantling
1. Disengage B+ wire on bracket.
2. Pull off vacuum line for flat-seat valve on branch piece.
3. Disconnect coolant supply hose on pipe.
Coolant hose
4. Disengage coolant hoses from support.
Support
5. Remove crash support.
Crash support
6. Remove drive belt. => 137819 Removing and installing drive belt - section on "Removing"
Releasing torque converter
1. Rotate engine to TDC mark.
TDC marking
2. Unscrew two converter fastening screws through the starter opening.
Converter screw connections
3. Turn the engine a further 120° clockwise.
4. Unscrew two converter fastening screws through the starter opening.
Converter screw connections
5. Turn the engine a further 120° clockwise.
6. Unscrew two converter fastening screws through the starter opening.
Converter screw connections
Removing the automatic transmission
1. Unscrew the two upper fastening screws on the converter bell housing and suspend the transmission from the workshop crane using a retaining bar 9674.
Holder
2. Unscrew the remaining fastening screws and pull the transmission out until a locating pin 9595 can be inserted for holding the converter.
Locating pin
3. Remove transmission together with converter.
Mounting automatic transmission
Refitting transmission
1. Check installation depth of the converter using a depth gauge. The installation depth must be approx. 15 mm.
Installation depth
2. Additional support 9111/6 must be inserted all the way into the engine retainer plate.
Additional support
3. Push converter into the transmission until the locating pin 9595 touches the toothed ring on the flywheel.
4. Locating pin 9595 must then be removed.
5. Push the transmission all the way in and bolt it to the intermediate housing using four fastening screws.
6. Place a wooden support from the spacer 9111/4 to the additional support 9111/6 , position additional support 9111/6 and lower the transmission.
7. Holder 9674 must then be removed and remaining fastening screws screwed in.
Securing torque converter
1. Rotate engine to TDC mark.
TDC marking
2. Screw in two converter fastening screws through the starter opening.
Converter screw connections
3. Turn the engine a further 120° clockwise.
4. Screw in two converter fastening screws through the starter opening.
Converter screw connections
5. Turn the engine a further 120° clockwise.
6. Screw in two converter fastening screws through the starter opening.
Converter screw connections
Assembly work
1. Guide in drive belt. => 137819 Removing and installing drive belt - section on "Installing"
2. Fit crash support.
Crash support
3. Engage coolant hoses in support.
Support
4. Fit coolant supply hose with spring band clamp.
Coolant hose
5. Attach vacuum line for flat-seat valve on branch piece.
6. Engage B+ wire on bracket.
Subsequent work
Reworking
Install the starter. => 276019 Removing and installing starter - installing
Install engine-transmission unit. => 100119 Removing and installing engine - "Installing" section