SECTION 01: ENGINE
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
13
Disconnect from engine, connector
C398 and vehicle interface harness
connector located above EECU
connectors. Also disconnect DPF cable.
Disconnect power steering pump hoses.
Shut off fuel line shut-off valve.
Close engine fuel supply shut-off valve
on primary fuel filter. Disconnect the fuel
line located above fuel filters and
connected to inlet port.
Disconnect fuel return line located
above fuel filters.
Disconnect and remove the engine-air
intake duct mounted between air cleaner
housing and turbocharger inlet.
CAUTION
To avoid damage to turbocharger, cover the
turbocharger inlet opening to prevent foreign
material from entering.
Disconnect and remove the exhaust
pipe mounted between the flexible
coupling and the pipe going to the
Diesel Oxidation Catalyst (DOC) and
Diesel Particulate Filter (DPF) assembly.
If necessary, refer to Section 4:
EXHAUST SYSTEM under “EXHAUST
AFTERTREATMENT SYSTEM
OVERVIEW".
Disconnect and remove the air intake
duct mounted between the charge air
cooler outlet and the engine intake.
Engine Compartment L.H. side
Disconnect fan driving shaft from
radiator fan drive mechanism support.
CAUTION
To avoid damage to cooling fan right angle
gearbox, make sure the power plant cradle
clears the gearbox when pulling the engine out.
Disconnect and remove section of
coolant pipe assembly mounted
between the radiator outlet and the
water pump inlet.
Disconnect and remove a section of
coolant pipe assembly mounted
between the thermostat housing and the
radiator inlet.
Disconnect the electric fan-clutch
connector located near the cooling fan
right angle gearbox.
Disconnect and remove the air intake
duct mounted between the turbocharger
outlet and the air cooler inlet.
Disconnect and remove surge tank hose
connected to pump inlet pipe and hose
connected to engine.
Unfasten and put aside engine
compartment lighting fixture and
turbocharger fire suppression nozzle if
applicable.
Disconnect Exhaust Aftertreatment
System control cable.
Last
1. Inspect the power plant assembly to
ensure that nothing will interfere when
sliding out the cradle. Check for
connections or hoses not mentioned in
this list as some vehicles are equipped
with special or aftermarket components.
2. Make sure the ten retaining bolts, washers
and nuts securing the power plant cradle
to the vehicle rear subframe are removed
(Figure 12).
NOTE
Check if any spacer(s) have been installed
between power plant cradle and vehicle rear
subframe, and if so, note position of each
washer for reinstallation purposes.
3. Using a suitable equipment with a
minimum capacity of 4,000 lbs (1 800 kg),
slightly raise the power plant cradle.
4. Pull engine out slowly from the engine
compartment. Make sure all lines, wiring
and accessories are disconnected and are
not tangled.
