Removing and Installing Front Final Drive

Removing and installing front final drive





Preliminary work

1. Raise the vehicle at the specified jacking points.
2. Remove underbody panel.
3. Remove cardan shaft.

Removing front final drive

1. Remove front diagonal braces.





Diagonal braces

2. Remove front cover.





Cover

Information
Protect drive shafts against mechanical damage (e.g. with a rubber hose that has been cut open).

3. Remove front drive shafts on transmission side. To do this, unscrew the six hexagon socket head bolts joining each drive shaft and transmission flange. Counter at the wheel to stop it from turning.





Drive shaft

4. Place transmission jack under the final drive and fasten retaining strap.
5. Unscrew fastening screws for pipe holder -A-. Never loosen screw between pipe holder and transmission mount -B-.





Fastening screws for pipe holder

6. Disengage pipe holder from lines and remove it.





Pipe holder

7. Disconnect electric plug.





Disconnecting electric plug

8. Undo fastening nuts -B- for front carrier -A- and unscrew the studs -C-.





Final drive mount

9. Carefully lower the final drive out. When doing so, avoid damaging the coolant pipes.

Installing front final drive

1. Carefully guide the final drive into position from below. When doing so, avoid damaging the coolant pipes.
2. Screw studs -C- through the transmission support -A- and into the front-axle cross member.





Securing final drive





3. Screw fastening nuts -B- onto studs and tighten them.





4. Connect electric plug.





Connecting electric plug

5. Engage pipe holder on lines.





Pipe holder





Pipe holder

6. Screw in fastening screws for pipe holder.





7. Remove transmission jack.
8. Fit front drive shafts on transmission side. To do this, screw in six hexagon socket head bolts between each drive shaft and the transmission flange and tighten bolts. Counter at the wheel to stop it from turning.





Drive shaft





9. Install front cover.





Cover





10. Install front diagonal braces.





Diagonal braces





Subsequent work

1. Install cardan shaft.
2. Check oil for front final drive and top up if necessary.
3. Fit underbody panels.
4. Lower the vehicle.