11 00 598 Removing and Installing Engine on Front Axle
11 00 598 Removing and installing engine on front axle E70 E71 (N63/S63)Special tools required:
Necessary preliminary work:
^ Remove front axle with engine and transmission.
Release screws.
Installation Note:
Replace screws.
Tightening torque 26 11 9AZ.
Slide propeller shaft towards rear and remove.
Installation Note:
Slide propeller shaft fully towards rear.
Sealing cup (1) must snap audibly into place and rest entirely on dust guard (2).
Important!
Do not release wishbone from swivel bearing with impact tool.
Make sure special tool rests correctly on steel bush of swivel bearing. The swivel bearing must be removed if the steel bushing moves.
Rubber boot of wishbone must not be damaged!
Do not pull stainless steel ring off journal.
Slacken nut (1) two to three thread turns.
If necessary, replace lower section 31 2 242 with lower section 31 2 247.
Press control arm (2) with special tool 31 2 240) off swivel bearing.
Unscrew nut (1) and remove control arm (2) from swivel bearing.
Installation Note:
Keep wishbone to swivel bearing connection clean and free from oil and grease.
Replace self-locking nut.
Tightening torque 31 12 4AZ.
Slacken nut (1) two to three thread turns.
If necessary, replace lower section 31 2 242 with lower section 31 2 247.
Press tension strut (2) with special tool 31 2 240 off swivel bearing.
Unscrew nut (1) and remove tension strut (2) from swivel bearing.
Installation Note:
Keep tension strut to swivel bearing connection clean and free from oil and grease.
Replace self-locking nut.
Tightening torque 31 12 2AZ.
Slacken nut (1) two to three thread turns.
If necessary, replace lower section 31 2 242 with lower section 31 2 246.
Press track rod end (2) with special tool 31 2 240 off swivel bearing.
Unscrew nut (1) and remove track rod end (2) from swivel bearing.
Installation Note:
Keep track rod end to swivel bearing connection clean and free from oil and grease.
Replace self-locking nut.
Tightening torque 32 21 3AZ.
Release screws (1).
Slacken nut (2).
Pull off expandable hose (3) of Adaptive
Drive 1st part.
Recycling:
Catch and dispose of escaping oil with auxiliary materials.
Release screws (1).
Disconnect line (2) part 1.
Recycling:
Catch and dispose of escaping oil with auxiliary materials.
Release screw and remove oil lines (2).
Tightening torque, 17 22 4AZ.
Installation Note:
Replace sealing rings.
Recycling:
Catch and dispose of escaping oil with auxiliary materials.
Remove swivel bearing (1) with brake disc and drive shaft (3) with the aid of a workshop crane (2).
Do not bend output shaft (3) too far, note deflection angle.
The illustration shows the procedure on the left swivel bearing; the procedure on the right swivel bearing is identical.
Screw fixtures (20) onto table lift at a suitable location.
Move screw adapter (30) with plate (80) up against the transmission oil sump (1).
Remove cover on transmission.
Crank engine at central bolt.
Release converter bolts (1).
Press special tool 24 1 380 together and insert into recess in transmission housing.
Release screw (1).
Release hydraulic lines (2).
Installation Note:
Replace sealing rings.
Recycling:
Catch and dispose of escaping oil with auxiliary materials.
Release screw (1).
Lay ground strap (2) to one side.
Unclip the transmission wiring harness from its holders (2 3 4 and 5).
Pull off the transmission wiring harness from the transmission at the holder (1).
Take off the transmission connector (1).
Unclip the transmission wiring harness from holders (2).
Release all screws on transmission.
Tightening torque 24 00 1AZ.
Installation Note:
Screws have different lengths.
Note installation position.
Slightly raise engine with workshop crane and special tool 11 0 020.
This simplifies removal and installation of transmission.
Recycling:
Capture emerging transmission oil with a suitable drip tray (1).
Disconnect transmission (2) from engine in the direction of the arrow.
Pictures show N74.
Unscrew nuts (1).
Raise engine approx. 10 mm with cross- member.
Installation Note:
Replace self-locking nuts.
Tightening torque 22 11 2AZ.
Lift engine (1) with workshop crane (2) and special tool 11 0 020 from front axle.
Mount engine on assembly stand.
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