Oil Filter Housing; Oil Pump Housing Retaining Bolts; Undo Retaining Screws And Lift Off Oil Pump Cover; Oil Pump Inner And Outer Rotor Identification Dots - Opel Zafira B MPV 2006 Owners Workshop Manual

2C•14 1.9 litre SOHC diesel engine in-car repair procedures
14.4 Oil pump housing retaining bolts
(arrowed)
14.Sa Unscrew the oil pressure relief valve
bolt. ..
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.
14.10 Prime the oil pump by filling it with
clean engine oil whilst rotating the inner
rotor
14.5 Undo the retaining screws and lift off
the oil pump cover
14.Sb ... and withdraw the spring ...
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
the crankshaft oil seal using a flat-bladed
screwdriver. Fit the new oil seal, ensuring
its sealing lip is facing inwards, and press it
squarely into the housing using a tubular drift
which bears only on the hard outer edge of
the seal. Press the seal into position so that it
14.13 Bend down the tabs on the edge
of the gasket to retain it on the oil pump
housing
14.6 Oil pump inner and outer rotor
identification dots (arrowed)
14.Sc ... and plunger
is flush with the housing and lubricate the oil
seal lip with clean engine oil.
12 Ensure the mating surfaces of the oil
pump and cylinder block are clean and dry.
13
Fit a new gasket to the oil pump housing
and bend down the tabs on the edge of the
gasket to retain it on the pump housing
(see
illustration).
14 Locate the pump housing over the end
of the crankshaft and into position on the
cylinder block.
15 Refit the pump housing retaining bolts and
tighten them to the specified torque.
16
Refit the oil pump pick-up/strainer and
sump as described in Section 13.
17 Refit the crankshaft sprocket as described
in Section 8.
18 Refit the timing belt as described in
Section 7.
19 On completion, fit a new oil filter and
fill the engine with clean oil as described in
Chapter 18.
Removal
1 The oil filter housing with integral oil cooler
is located at the rear of the cylinder block,
above the right-hand driveshaft.
2 Disconnect the battery negative terminal
(refer to Disconnecting the battery in the
Reference Chapter).
3 Apply the handbrake, then jack up the front