Component Description
WARNING: This page is about a different variant/trim than selected.
NOTE:
To perform a problem-free and successful transmission repair, extreme caution and cleanliness, as well as properly functioning tools are an important requirement. Understandably, general safety guidelines apply when performing repairs.
Rear Final Drive
- When replacing the rear final drive, check and if necessary, correct oil level in final drive. Refer to REAR FINAL DRIVE GEAR OIL, CHECKING .
- Capacities and specifications, refer to ENGINE CODE, TRANSMISSION ALLOCATION, RATIOS AND CAPACITIES .
- Clean the contact surfaces before installing the brackets and waxed components. Contact surfaces must be free of wax and grease.
- Thoroughly clean all connections and the surrounding area before disconnecting.
Oil, Environment and Disposal Regulations
- Be very careful when handling transmission fluid and other fluids.
- Dispose of the drained fluids properly.
- Follow all environment and disposal regulations.
- Be sure to read the instructions on the fluid containers.
O-rings, Seals and Gaskets
- Always replace the O-rings, seals and gaskets.
- Check the contact surfaces on the housing and shaft for burrs and damage after removing the seals.
- Thoroughly clean the separating surfaces on the housing before assembling.
- Before installing, lightly oil the outer circumference of shaft seals and fill gap between sealing lips -arrow- half way with sealing grease G 052 128 A1.
- The open side on the shaft seals faces the fluid to be sealed off.
- Lightly lubricate O-rings before installing, this prevents the rings from being pinched when inserting.
- Check the final drive oil level after replacing any seals or gaskets. Refer to REAR FINAL DRIVE GEAR OIL, CHECKING .
Circlips
- Do not stretch the circlips.
- Always replace damaged or stretched circlips.
- The circlips must touch the bottom of the groove.
- Replace the adapter sleeves. Installation position: Slot -A- is longitudinal to line of force -arrow-.
Bolts and Nuts
- Loosen and tighten the bolts and nuts of covers and housings in a diagonal sequence.
- Do not cant, rather loosen and tighten especially sensitive parts in diagonal manner in stages.
- Torque specifications for unoiled bolts and nuts are given.
- Always replace self-locking nuts and bolts.
- Using a wire brush, clean threads of bolts (replace outer driveshaft bolts) which are secured with locking compound. Install the bolts with locking fluid AMV 185 101 A1.
- If self-locking bolts were installed or if regular bolts were installed with locking fluid, then the threaded holes must be cleaned with a thread cutter. If the holes are not cleaned, then the bolts could break off the next time they are removed.