To remove
IMPORTANT:
It is very important to observe great cleanliness when working on the gearbox. Dirt particles can seriously damage the function and service life of the gearbox.
- Drain the oil from the gearbox before removing any parts. Remove the gearbox from the car. See AUTOMATIC GEARBOX ASSEMBLY . Fit the dipstick pipe.
- Plug the shaft hole. Clean the exterior of the gearcase. Use plug 91 32 929, 91 32 937 and 87 92 244 PLUGS, F25 DRIVE SHAFT HOLES . Plug the breather pipe.
- Remove the dipstick pipe. Remove the selector lever bracket.
- Fit holder 87 92 392 HOLDER, TRANSMISSION to the gearbox with an M8x25 flange bolt. Position the gearbox on stand 78 74 878 FLOOR STAND .
NOTE: During removal it is important that the work area is well organized with groups of associated parts to facilitate fitting.
- Remove the rear engine mounting if there is one on the gearbox.
- Fit tool 87 92 681 or 87 91 766 GRIPPING TOOL, TORQUE CONVERTER to the torque converter. Remove holder 87 92 277 HOLDER or 87 92 574. Remove the torque converter.
- Turn the gearbox 180° on the stand.
- Remove the cover plate of the temperature sensor.
- Remove the bolts securing the oil pump to the gearcase.
- Pull the oil pump and brake unit off from the gearcase using puller 87 92 699.
- Turn the gearbox 90° on the stand.
- Remove the torque converter housing. Knock the housing loose using a plastic mallet. Remove the small seal.
- Lift out the differential unit.
- Turn the gearbox 90°.
- Carefully remove any gasket remains from the sealing surfaces of the gearcase and torque converter housing using a gasket scraper.IMPORTANT: The remains of old gaskets and other particles must under no circumstances fall into the oil ducts, openings or components.
- Tap out the shaft seals.
- Fit pullers 87 92 707 and 87 92 715. Remove the bearing race of the conical roller bearing from the torque converter housing by heating around the bearing seat with a heat gun for about 5 minutes. Pull out the bearing and on certain variants the washer. Pull the bearing race with shims out of the gearcase.
- Bend out the lock plate on the crown wheel and remove the bolts. Tap off the crown wheel with a shatterproof plastic mallet.