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 transmission in the car before starting removal. Remove the GEARBOX from the car. See ADJUSTMENT/REPLACEMENT , removing gearbox assembly. Fit the dipstick pipe.
- Plug the shaft openings and clean the exterior of the gearbox. Use plug 91 32 929, seals 91 32 937 and 87 92 665 PROTECTIVE PLUG, DRIVE SHAFT HOLE . Plug the vent pipe.
- Remove the dipstick pipe.
- Fit holder 87 92 392 HOLDER, TRANSMISSION on the gearbox. Use flange screw M8x25 and fit in the stand 78 74 878 FLOOR STAND .
NOTE: Organize the workplace so that groups of associated parts that are dismantled can be kept together to facilitate refitting.
- Fit tool 87 91 766 GRIPPING TOOL, TORQUE CONVERTER into the torque converter. Remove holder 87 92 574 HOLDER .
- Remove the torque converter.
- Turn the gearbox through 180 ° in the stand.
- Remove the cover plate for the temperature sensor and the cover plate.
- Remove the bolts securing the oil pump to the gear case
- Pull off the oil pump and brake unit B2 from the gear case using puller 87 92 699 PULLER (KM-993) .
- Remove the brake hub and freewheel F1.
- Turn the gearbox through 90° in the stand
- Remove the torque converter shell. Knock loose the housing with a plastic mallet. Remove the small seal.
- Remove the oil channel plate and lift it out. Retain the three magnets.
- Remove the pipe holder and pipe. Use sliding hammer 83 90 270 SLIDING HAMMER and hook 87 92 384 PULLER, TORQUE CONVERTER SEAL .
- Fit puller 87 91 675 PULLER and 87 91 683 PULLER and remove the roller bearing by heating the case with a hot-air gun for about 5 minutes. Pull out the bearing.
- Fit puller 87 91 683 PULLER and 87 91 675 PULLER and remove the bearing race for the taper roller bearing in the torque converter shell by heating around the bearing seat with a hot-air gun for about 5 minutes. Pull out the bearing.
- Remove the cover and the remaining plugs.
- Lift out the differential unit.
- Remove any gasket remains from the gear case sealing surfaces. Use the gasket scraper with great care.IMPORTANT: The remains of old gaskets and other particles must under no circumstances fall into the oil ducts, openings or components.
- Knock out the shaft seal.
- Bend out the locking washers on the crown wheel and remove the bolts. Knock away the crown wheel using a splinter-free plastic mallet.