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

Special tools required: 

• 11 0 020

Necessary preliminary tasks: 

• Disconnect negative BATTERY lead.
• Move engine compartment lid into SERVICE POSITION .
• Drain COOLANT .
• Remove expansion tanks. See REMOVING COOLANT EXPANSION TANK , REMOVING INTERCOOLER EXPANSION TANK , and REMOVING EXPANSION TANK FOR CHARGE AIR COOLER .
• Draw off A/C 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 transmission. See REMOVING AUTOMATIC TRANSMISSIONREMOVING AUTOMATIC TRANSMISSION (WITH AWD) , or REMOVING TRANSMISSION (MANUAL) .
• Remove FRONT AXLE DIFFERENTIAL (AWD only).
• Remove BEARING SUPPORT (AWD only).

Open cover.

Release screw (1).

Tightening torque 12 42 3AZ .

Remove positive battery cable lead (2) from positive battery connection point.

Release positive battery cable (2) from clamps (3).

Fig 1: Identifying Positive Battery Cable Lead, Screw, And Clamps

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

Fig 2: 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 3: Identifying Supplementary Electronics Box

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Slacken nut (1).

Remove battery earth lead (2).

Fig 4: Identifying Battery Earth Lead And Nut

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

Fig 5: Identifying Vacuum Line Connection At Vacuum Pump

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Release screw (1).

Remove air conditioning line (2).

Fig 6: Identifying Air Conditioning Line And Screw

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Release and disconnect coolant hoses (1).

Picture shows N57

Fig 7: Identifying Coolant Hoses

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Unfasten hose clamp (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 8: Identifying Hose Clamp 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 9: Removing Intake Pipe Section From Holder

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Unfasten hose clamp (1).

Detach coolant hose from water valve.

Release hose clamp and detach coolant hose (2).

Fig 10: Identifying Hose Clamp And Coolant Hose

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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 11: Sealing-Off Fuel Delivery Lines Using Special Tools

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Undo screw (1), tightening torque 17 22 4AZ .

Detach oil lines from oil filter housing.

Catch and dispose of emerging oil.

Fig 12: Identifying Screw And Oil Lines

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

Fig 13: Identifying Screws

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

11 0 020 Lift out engine with special tool.

Fig 14: Lifting Engine With Special Tool (11 0 020)

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Mount engine on ASSEMBLY STAND .

Assemble engine.

Top up COOLANT and vent cooling system.

Check COOLING SYSTEM for leaks.