Undo The Retaining Screws And Lift The Oil Pump Cover; Unscrew The Oil Pressure Relief Valve Bolt - Opel Zafira B MPV 2006 Owners Workshop Manual

20•16 1.9 litre DOHC diesel engine in-car repair procedures
14.4 Oil pump housing retaining bolts
(arrowed}
14.Sa Unscrew the oil pressure relief valve
bolt ...
22 Locate the sump over the pick-up/strainer
then, where applicable, fit the forward end of
the pick-up/strainer to the oil pump housing
and fit the retaining bolt. Tighten both retaining
bolts securely.
23 Engage the sump with the cylinder block
and loosely refit all the retaining bolts.
24 Working out from the centre in a diagonal
sequence, progressively tighten the bolts
securing the sump to the cylinder block and
oil pump housing. Tighten all the bolts to their
specified torque setting.
25 Tighten the two bolts securing the sump
flange to the transmission bellhousing to their
specified torque settings.
26 Reconnect the wiring connector to the oil
level sensor, then refit the oil return hose and
secure with the retaining clip.
27
Refit the oil dipstick guide tube and secure
with the two bolts tightened securely.
28
Locate the air conditioning compressor
mounting bracket in position and refit the
four retaining bolts. Tighten the bolts to the
specified torque. Clip the wiring harness back
into position on the bracket.
29 Position the air conditioning compressor
on the mounting bracket. Fit and tighten
the three retaining bolts to the specified
torque (see Chapter 3), then reconnect the
compressor wiring connector.
30 Refit the crankshaft pulley/vibration
damper as described in Section 5.
31 Refit the catalytic converter support
bracket and securely tighten the three bolts.
32 Refit the exhaust system as described in
Chapter 48.
14.5 Undo the retaining screws and lift
off
the oil pump cover
14.Sb ... and withdraw the spring ...
33
Position the intermediate shaft bearing
housing support bracket on the cylinder block
and secure with the three retaining bolts
tightened to the specified torque.
34 Refit the intermediate shaft and right-hand
driveshaft as described in Chapter 8.
35 Refit the roadwheel, then lower the car to
the ground and tighten the wheel bolts to the
specified torque.
36 Fill the engine with fresh engine oil as
described in Chapter 18.
37 On completion, reconnect the battery
negative terminal.
Removal
1 Remove the timing belt as described in
Section 6.
2 Remove the crankshaft sprocket as
described In Section 7.
3 Remove the sump and oil pump pick-up/
strainer as described in Section 13.
4
Slacken and remove the seven retaining
bolts then slide the oil pump housing
assembly off of the end of the crankshaft
(see
illustration). Remove the housing gasket and
discard it.
Overhaul
5 Undo the retaining screws and lift off the
pump cover from the rear of the housing (see
illustration).
14.6 Oil pump inner and outer rotor
identification dots (arrowed)
14.Sc ... and plunger
6 Check the inner and outer rotors for
identification dots indicating which way round
they are fitted
(see illustration).
If no marks
are visible, use a suitable marker pen to mark
the surface of both the pump inner and outer
rotors.
7 Lift out the inner and outer rotors from the
pump housing.
8 Unscrew the oil pressure relief valve bolt
from the base of the housing and withdraw
the spring and plunger, noting which way
around the plunger is fitted (see illustrations).
Remove the sealing washer from the valve
bolt.
9 Clean the components, and carefully
examine the rotors, pump body and relief
valve plunger for any signs of scoring or
wear. If any damage or wear is noticed, it will
be necessary to renew the complete pump
assembly.
10 If the pump is satisfactory, reassemble the
components in the reverse order of removal,
noting the following.
a) Ensure both rotors are fitted the correct
way around.
b) Fit a new sealing ring to the pressure relief
valve bolt and securely tighten the bolt.
c) Apply a little locking compound to the
threads, and securely tighten the pump
cover screws.
d) On completion prime the oil pump by
filling it with clean engine oil. whilst
rotating the inner rotor (see illustration).
Refitting
11 Prior to refitting, carefully lever out