Vauxhall Workshop Service and Repair Manuals

Removing and installing oil pump pressure control valve (Z 12 XE, Z 12 XEP, Z 14 XEP, with air conditioning, LHD)

  Remove

1.   Open bonnet 2.   Raise vehicle 3.   Remove ribbed V-belt cover •   Unscrew 3 bolts (1) •   Remove clip (arrow) 4.   Drain engine oil •   Place collecting basin underneath. •   Remove drain bolt

5.   Loosen exhaust system Note:   When removing the centre muffler, a catalytic converter, an exhaust manifold, or an exhaust manifold with catalytic converter, secure that portion of the exhaust system remaining on the vehicle against uncontrolled suspension. •   For this purpose, the exhaust system portion including the flexpipe may be fastened to the vehicle underbody using suitable means, e.g. wire. Note:   Angular dislocations of the flexpipe as small as 5 to 10 degrees offset from the intended installation position can already cause damage and subsequent complete failure of the flexpipe. •   Detach oxygen sensor (catalytic converter control) cable harness plug (1) •   Detach exhaust system – 2 damper rings •   Remove front exhaust pipe – Unscrew 3 nuts •   Suspend front exhaust pipe from left front axle body

6.   Install engine oil drain bolt •   Replace seal ring •   Tighten bolt 10 Nm 7.   Remove oil pan •   Transmission – Unscrew 3 bolts (1) •   Crankshaft bearing bridge – Unscrew 16 bolts

8.   Remove oil pump pressure regulating valve •   Remove bolt (1) •   Remove seal ring (2), bolt (3), spring (4) and piston (5)

  Install