11 00 050
Aluminium screws/bolts must be replaced each time they are released. Aluminium screws/bolts are permitted with and without colour coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of
Necessary preliminary tasks:
Disconnect battery negative lead
Lift engine bonnet/hood into assembly position
Drain off engine oil
Remove air filter housing
Remove cowl panel cover panel.
Remove fan cowl with electric fan
Remove expansion tank.
Detach all coolant hoses from engine
Release oil pipes from oil‐to-water heat exchanger
Remove alternator drive belt
Remove air conditioning compressor
Detach pressure pipe from both exhaust turbochargers
Remove intake plenum
Detach vacuum line from brake servo
Unfasten ignition wiring harness and lay to one side
Release engine wiring harness from electronics box and lay to one side
Remove exhaust system
Remove catalytic exhaust-gas converters
Remove output shafts (all-wheel drive vehicles only)
Remove power steering pump
Remove reinforcement plate (all-wheel drive vehicles only)
Release grounding strap on left engine support arm
Release screws (1,2).
Remove heater end panel (3).
Make sure heater end panel is correctly seated.
M6x20 bolt must be fitted in middle.
Support engine with special tool 11 7 310 on steering box.
Release screws (1) for A/C lines.
Disconnect fuel lines (1).
Seal fuel lines with special tool 13 5 281 and 13 5 282 .
Detach vacuum line from engine mount.
Secure special tool 11 8 680 to lifting eye on gearbox side.
Press locking pin (1) in direction of arrow until locking balls (2) are loose.
Secure special tool 11 8 680 to lifting eye. Release locking pin (1).
Special tool 11 8 680 is mounted correctly if the locking balls (2) are locked.
Special tool 11 8 680 is firmly secured to lifting eye.
Attach special tool 11 0 000 to special tool 11 8 680 in eye (1).
Screw in towing hook (1).
Attach special tool 11 0 000 to engine crane.
Suspend special tool 11 0 000 from the designated mounting eyelets (2) only.
Unscrew left and right engine mounts.
Remove left engine support arm.
Lift engine out with crane.
Fix special tool 11 7 310 onto steering box.
Observe following in case of exchange engine.
Check function of DME.