11 00 050 Removing and installing engine (M57T2)

Special tools required

11 0 020

Necessary preliminary tasks

Disconnect battery negative lead from battery
Disconnect battery positive cable from jump-start connection point in engine compartment
Lift engine hood into assembly position
Remove gearbox
Remove radiator design cover
Remove overall engine cover
Remove air filter housing
Remove fresh air duct on left/right
Remove center engine compartment partition wall
Remove intake plenum
Release engine wiring harness from electronics box
Release fuel lines, feed and return lines
Remove fan clutch
Remove A/C compressor drive belt
Remove alternator drive belt
Drain coolant
Remove coolant expansion tank
Remove radiator
Remove engine underbody protection at front/middle
Remove catalytic converter

Secure starter motor (1) with transmission screw (2) against falling out.

Release screw (3) and place grounding strap (4) to one side.

Fig 1: Identifying Starter Motor, Transmission Screw And Grounding Strap

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Release lock (1)

Remove turbocharger hoses (2).

Release A/C compressor (3).

Dynamic Drive optional extra:

Secure all connecting leads with cable ties against falling down.

Fig 2: Identifying A/C Compressor, Turbocharger Hoses And Lock

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Release and disconnect coolant hoses (1).

Unlock and detach heating hoses (2).

Installation note:

Quick-release couplings of coolant hoses are correctly fitted when they snap into place with a clearly audible click .

Fig 3: Identifying Heating And Coolant Hoses

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Release power steering pump (1) and place to one side.

NOTE: Secure power steering pump (1) with cable tie against falling down.

Fig 4: Identifying Power Steering Pump

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Mount special tool 11 0 020 on engine.

IMPORTANT: Pay attention to chain of special tool 11 0 020 , risk of damage to pressure control valve.

NOTE: Secure engine wiring harness with cable tie on engine against falling down.

Fig 5: Mounting Special Tool (11 0 020) On Engine

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Remove screw (1) on left/right.

Disconnect vacuum line (2).

Fig 6: Identifying Vacuum Line And Screw

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Lift out engine with crane.

Special tools required

11 0 020

Necessary preliminary tasks

Clamp off battery negative lead. (FOLLOW INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY )
Clamp off battery positive lead from starter
Move ENGINE HOOD/BONNET into assembly position
Remove acoustic cover
Remove INTAKE AIR MANIFOLD
Remove right PRESSURE PIPE
Remove left PRESSURE PIPE
Release ENGINE WIRING HARNESS from electronics box
Drain COOLANT
Remove RADIATOR
Remove coolant expansion tank
Remove ALTERNATOR DRIVE BELT
Release POWER STEERING PUMP and place to one side
Remove front/middle UNDERBODY PROTECTION
Remove reinforcement plate (AWD only)
Remove both front output shafts (AWD only)
Release A/C COMPRESSOR and place to one side
Remove TRANSMISSION

Recycling

Catch and dispose of escaping fuel in a suitable container.

Observe country-specific waste-disposal regulations.

Release bolts (1, 2).

Remove heater end plate (3).

Installation:

Make sure heater end plate is correctly seated.

M6x20 bolt must be fitted in middle.

Fig 1: Identifying Heater End Plate And Bolts

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Unlock and detach coolant hose (1).

Fig 2: Identifying Coolant Hose

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Unlock and detach coolant hose (1) from radiator at top.

Fig 3: Identifying Radiator Coolant Hose

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Unlock and detach vacuum line (1).

Release coolant hose (2) for heater and detach.

Fig 4: Identifying Coolant Hose And Vacuum Line

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Release and disconnect coolant hoses (1).

Fig 5: Identifying Coolant Hoses

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Unfasten and detach coolant hose (1) from expansion tank.

Unclip coolant hose (2) from expansion tank.

Detach plug (3) below expansion tank from coolant level switch.

Release bolts (4) on expansion tank.

Unfasten and detach coolant hose (5) below expansion tank.

Remove expansion tank.

Unfasten and detach coolant hose (6) from heating valve.

Fig 6: Identifying Coolant Hoses And Bolts

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Unlock fuel feed and return lines (1) and disconnect.

Detach vacuum hose (2) for engine mount.

Fig 7: Identifying Vacuum Hose And Return Lines

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Secure engine wiring harness (2) on engine against falling out.

Mount special tool 11 0 020 on engine.

IMPORTANT: Pay attention to chain of special tool 11 0 020 .
Risk of damage .
Only raise engine at the lifting lugs (1) provided for this purpose.

Fig 8: Mounting Special Tool (11 0 020) On Engine

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Release nut (1) on left and right engine support arms.

Installation:

Replace nuts (1).

Release grounding strap on left engine support arm.

Fig 9: Identifying Engine Support Arm Nut

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Remove left engine support arm.

Unclip lines.

Release screws (1) and remove engine support arm.

Fig 10: Identifying Engine Support Arm Screws

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IMPORTANT: Remove engine carefully .

Assemble engine.

FILL cooling system and check for leaks.

Check engine oil level.