69 Undo the retaining bolt and remove the
sensor from the housing on the end of the
cylinder head.
Refitting
70 Refitting is a reversal of removal.
13 Turbocharger - description
and precautions
Refer to Part B, Section 13.
14 Turbocharger -
removal and refitting
1
Removal
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5, Section 1).
2 Drain the cooling system as described in
Chapter 1.
3 Remove the air cleaner assembly as
described in Section 2.
4 Undo the two nuts and remove the
oil return hose elbow from the side of the
sump.
5 Undo the three nuts and separate the
exhaust downpipe from the turbocharger
outlet flange. Recover the flange gasket.
6 Undo the two bolts securing the coolant
pipe over the top of the exhaust manifold.
7 Release the oxygen sensor multiplug from
the thermostat housing, disconnect the
multiplug and remove the harness from the
clip on the top hose.
8 Slacken the hose clip and remove the
coolant pipe from the hose on the side of the
thermostat housing.
9 Slacken the hose clip and remove the air
intake hose from the turbocharger.
10 Slacken the two hose clips and remove air
the outlet hose from the turbocharger and
intercooler.
11 Disconnect the oil feed pipe union at the
turbocharger.
12 Disconnect the vacuum hose at the
wastegate solenoid valve.
13 Disconnect the coolant feed and return
hoses at the turbocharger.
14 Release the clip on the turbocharger
vacuum hose and remove the hose from the
turbocharger.
15 On models without air conditioning, undo
the nuts and remove the alternator heat
shield.
16 Undo the exhaust manifold retaining nuts
and bolts and withdraw the manifold
complete with turbocharger assembly off the
studs. Recover the manifold gasket.
17 Undo the nuts securing the turbocharger
to the exhaust manifold and remove the
turbocharger. Recover the flange gasket .
18 Thoroughly clean all the joint mating faces
prior to refitting.
Refitting
19 Refitting is a reversal of removal bearing
in mind the following points:
(a) Use new gaskets at all the flange joints
and new nuts at the turbocharger to
manifold connection.
(b) Tighten all nuts and bolts to the specified
torque.
(c) Refill the cooling system and top up the
engine oil as described in Chapter 1.
15 Turbocharger -
examination and renovation
Refer to Part B, Section 15.
16 Intercooler -
removal and refitting
The intercooler is removed as an assembly
with the cooling system radiator. Refer to
Chapter 3, Section 7 for details.
17 Exhaust system - general
information and component
renewal
Refer to Part A, Section 13 for exhaust
system details and to Part E, Section 3, for
information on the catalytic converter.
4C•6 Fuel and exhaust systems - MEMS multi-point injection engines
1380 Rover 800 Series Remake
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