Bevel Box
Bevel Box
Removing
- Lift the vehicle, all 4 lift points of the hoist are at the same height.
- Turn the steering wheel to the center position.
- Move the selector lever into the "P" position.
- Remove the ignition key and engage the steering wheel lock.
- Loosen the right drive axle bolt - arrow -.
• Do not place the vehicle on the floor after loosening the bolt.
• To make it possible to rotate the driveshaft later so it can be loosened:
- Move the selector lever into the "N" position.
- Remove the ignition key and engage the steering wheel lock.
- Remove the noise insulation below the engine/transmission.
- Remove the right drive axle.
- Remove the right drive axle heat shield bolts and shield.
- Remove the flexible disc shield bolts - arrows - and shield.
The multipoint socket head bolt - arrow A - is installed to the transmission carrier.
- Remove the pendulum support bolts - 1 and 2 -.
- Mark the position of the driveshaft flexible disc to the bevel box output flange.
- Counter hold the rear final drive to loosen and tighten the driveshaft.
• To loosen the next bolt, rotate the driveshaft by turning the rear wheels.
- Remove the flexible disc bolts - arrows - from the bevel box.
- Guide the driveshaft upward into the tunnel and support it on the steering gear shield using a suitable wooden block.
- Remove the bracket bolts/stud bolts/nuts - 1, 2 and 3 -.
- Remove the bevel box to transmission top bolts - arrows -.
- Remove the bevel box to transmission bottom bolts - arrows -.
- Press the engine and transmission forward by hand and secure it this position with a suitable block of wood - A -.
- Carefully press the bevel box off the transmission and remove it downward.
Installing
Installation is performed in the reverse order of removal while observing the following:
- Grease the splines on the differential with grease for clutch plate splines (G 000 100).
- Install a new circlip - arrow A - and a new O-ring - arrow B - on the right stub shaft.
- Insert the bevel box and press it against the transmission until seated.
• If the tooth position is incorrect (the bevel box cannot be pressed against the transmission), rotate at the stub shaft.
- If the tooth position is correct and it is guided centered, the bevel box slides against the transmission until it is seated.
Hit the stub shaft circlip onto the toothed lug with a plastic hammer on the front side to make sure it latched correctly into the differential bevel gear. Do not pull the bevel box forcefully against the transmission by tightening the bolts. The transmission or bevel box could be damaged.
- First, install new bevel box bolts - arrows - and tighten them by hand, then finish tightening them to specifications. Tightening specification: 40 Nm + 90° (1/4) additional turn.
- Install the bracket. Follow the installed location and tightening sequence for the bolts.
Installed location, refer to => [ Installed Location ].
Tightening sequence, refer to => [ Tightening Sequence ].
Installed Location
Tightening Sequence
- Check the gear oil in the bevel box. Refer to => [ Bevel Box Gear Oil, Checking and Filling ] Procedures.
- Install the drive axle heat shield and bolts.
- Move the engine and transmission forward and remove the wooden block - A -.
- Position the driveshaft to the bevel box by pressing the engine/transmission assembly forward as far as necessary.
• The seal in the driveshaft flange - arrow - must not be damaged when removing and installing. Replace the driveshaft if it is damaged.
- Install the flexible disc to bevel box bolts - arrows -.
- Tighten the new pendulum support bolts. For the correct tightening specifications.
- Grease the stub shaft splines with grease for the clutch plate splines (G 000 100).
- Install the right drive axle.
- Install the exhaust system.
- Install the noise insulation.