11 00 050 Removing and installing/replacing engine (N63)

Special tools required:

11 0 020

Necessary preliminary work

Move ENGINE COMPARTMENT LID into service position
Drain COOLANT
Disconnect battery positive lead from terminal
Drain off AIR CONDITIONING SYSTEM
Remove right SUSPENSION CROSS-BRACE
Remove RADIATOR
Remove both INTAKE SILENCER HOUSINGS
Disconnect coolant hoses from engine
Disconnect coolant hoses from charge air cooler
Disconnect line from tank vent valve
Detach POWER STEERING PUMP from holder
Remove UNIVERSAL JOINT
Remove GEARBOX
Remove front axle differential (AWD only)
Remove bearing support (only four-wheel drive)

Release wiring harness (1) from electronics box (2) and secure on engine against falling off.

Fig 1: Identifying Wiring Harness And Electronics Box

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Release wiring harness from supplementary electronics box (1) and secure on engine against falling off.

Fig 2: Identifying Supplementary Electronics Box

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Slacken nut (1).

Remove battery earth lead (2).

Fig 3: Identifying Battery Earth Lead And Nut

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Unlock and detach vacuum line (1) from vacuum pump.

Fig 4: Identifying Vacuum Pump Vacuum Line

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Release screw (1).

Remove air conditioning line (2).

Fig 5: Identifying Air Conditioning Line And Screw

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Release and disconnect coolant hoses (1).

Picture shows N57

Fig 6: Identifying Coolant Hoses And Tank

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Unfasten hose clip (1).

Release screw (2).

Press off oil line from oil reservoir to intake pipe section with special tool to prevent oil from escaping.

Tightening torque, 32 41 8AZ .

Installation note:

Replace hose clamp.

Fig 7: Identifying Hose Clip And Screw

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Remove intake pipe section (1) in direction of arrow from holder (2).

Remove intake pipe in upward direction.

Fig 8: Removing Intake Pipe Section From Holder

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Unfasten hose clip (1).

Detach coolant hose from water valve.

Release hose clamp and detach coolant hose (2).

Fig 9: Identifying Coolant Hose And Hose Clip

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Unlock and disconnect fuel delivery line (1), seal off with special tool 13 5 160.

Seal off fuel delivery line (2) with special tool 13 5 162.

Fig 10: Identifying Fuel Delivery Lines

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Release screw (1). Tightening torque 17 22 4AZ .

Detach oil lines from oil filter housing.

Catch and dispose of emerging oil.

Fig 11: Identifying Oil Lines And Oil Lines Mounting Screw

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Release screws (1) on ENGINE MOUNT on left and right.

Fig 12: Identifying Engine Mount Screw

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IMPORTANT: Before lifting the engine, the lifting lugs must be checked for damage (cracks) and to ensure they are seated securely.

Suspend special tool from lifting eyes (1) at front and rear.

11 0 020 Lift out engine with special tool.

Fig 13: Lifting Engine Using Special Tool (11 0 020)

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Mount engine on assembly stand.11 00 670 Securing engine in installation position (N63)

Assemble engine.

Top up COOLANT and vent cooling system.

Check COOLING SYSTEM for leaks.