Removing and Installing Engine
11 00 050 Removing and installing/replacing engine (N63)Special tools required:
Important!
Before lifting the engine, check the lifting lugs for damage (cracks) and to ensure they are seated securely.
Necessary preliminary work:
^ Clamp off battery
^ Move engine compartment lid into service position
^ Remove earthing cable
^ Remove console for windscreen wiper system
^ Remove air duct
^ Remove module carrier
^ Remove both intake silencer housings
^ Disconnect coolant hoses from engine
^ Disconnect coolant hoses from charge air cooler expansion tank
^ Disconnect line from tank vent valve
^ Release feed and return lines for engine oil cooler
^ Release suction line and return line on oil reservoir
^ Release power steering pump with holder
^ Remove gearbox
^ Remove front output shafts
^ Remove left and right holders of front cross-strut
Release engine wiring harness from electronics box and secure on engine against falling off.
Unlock all plugs (1) of DME control unit and disconnect.
Unlock plug on electronics box fan and disconnect.
Unlock and detach terminal strip (2).
Unlock all plugs on plug strip (3) and detach.
Unlock plug strip (3) and remove towards top.
Release screws and remove retaining bar (1).
Unlock upper section (2) of partition seal in direction of arrow and remove.
Release grommets (3) for wiring harnesses from lower section of partition seal and from electronics box.
Installation:
Make sure grommets are correctly seated so as to prevent ingress of moisture.
Open cover.
Release screw (1).
Tightening torque 13 71 8AZ.
Remove battery positive lead (2) from battery positive connection point.
Unlock and detach vacuum line (1) from vacuum pump.
Release screws (1).
Remove double pipe (2).
Installation:
Replace sealing rings and moisten with refrigerant oil.
Tightening torque 64 53 5AZ.
Unlock water pipe (1) on heater end panel and detach.
Unlock and disconnect fuel feed line (1), seal off with special tool 13 5 160.
Seal off fuel delivery line (2) with special tool 13 5 162.
Release screws (1) on engine mount on left and right. Tightening torque 22 11 2AZ.
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.
Important!
Before lifting the engine, check the lifting lugs for damage (cracks) and to ensure they are seated securely.
Lift out engine with special tool 11 0 020.
Picture shows (F01).
Mount engine on assembly stand.
Assemble engine.
Top up coolant and vent cooling system.
Check cooling system for leaks.
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