Removing and Installing Engine

11 00 050 Removing And Installing Engine (N55)

Special tools required:







Necessary preliminary tasks:
- Disconnect negative battery lead.
- Move engine compartment lid into service position.
- Remove cowl panel cover.
- Remove trailing links.
- Remove intake plenum.
- Remove clean air pipe.
- Draw off A/C system.
- Remove the catalytic converter.
- Remove transmission.
- Remove front output shafts (AWD only).
- Drain engine oil.
- Loosen the engine oil pipe on the engine oil cooler.
- Remove fan cowl with electric fan.
- Remove radiator.
- Remove expansion tank.
- Detach all coolant hoses from engine.
- Detach vacuum line from brake booster.
- Unfasten engine wiring harness and lay to one side.
- Release ground cable from engine support arm.







To remove or install the engine, the towing hook 72 15 8 108 670 is required.







Release screws (1,2).
Remove heater end panel (3).

Installation note:
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) of A/C lines and disconnect.
Do not remove air conditioning compressor.







Detach right pressure pipe (1) from charge air cooler.







Release screws (1).
Remove the protective plate (2).

NOTE: Graphic (all-wheel drive vehicle).







Unlock and detach fuel and tank ventilation line (1).
Detach vacuum hose (2) for engine mount.







Release power steering pump (1) and set down on front axle support.

NOTE:
Do not disconnect hydraulic lines.
Shown without air conditioning compressor for purposes of clarity.







Attach special tool 11 8 680 to rear lifting eye (gearbox side).
Push ball lock pin (1) in direction of arrow and hold down until special tool 11 8 680X is positioned in lifting eye.
Pull ball lock pin (1) outward in direction of arrow until both balls (2) are pushed outward.

Installation note:
Checking the correct installation of the special tool 11 8 680.
There must be a 6.5 mm gap between ball lock pin (1) and ball lock pin housing.
The gap dimension can be checked using a 6.5 mm drill.







Attach special tool 11 0 000 to engine lifter.
Suspend special tool 11 0 000 from the designated mounting eyelets of special tool 11 8 680 only (see arrow).







Release nut on engine mount on left and right.
Unscrew nuts (1).

Installation note:
Replace self-locking nuts.
Tightening torque 22 11 2AZ.







Screw towing eye into cylinder head.
Tightening torque 11 12 5AZ.
Suspend special tool 11 0 000 from the designated mounting eyelets (1) only.
Lift engine out with engine lifter.







Assemble engine.
Check function of DME.