Vauxhall Workshop Service and Repair Manuals

Replace exhaust manifold gasket (Z 12 XE, Z 14 XEP, without air conditioning, LHD)

Note:   In vehicles as of model year 04 onwards with ESP - the steering angle sensor loses its basic adjustment each time the battery is disconnected, and must be recalibrated

  Remove

4.   Detach front exhaust pipe (1) Note:   When removing the centre muffler, a catalytic converter, an exhaust manifold, or an exhaust manifold with catalytic converter, secure the portion of the exhaust system remaining on the vehicle to prevent uncontrolled sagging •   For this purpose, the exhaust system portion including the flexpipe may be fastened to the vehicle underbody using suitable means, such as wire Note:   Angular dislocations of the flexpipe as small as 5 to 10 degrees offset from the intended installation position can cause damage and subsequent complete failure of the flexpipe. •   Unscrew 3 nuts

5.   Lower vehicle 6.   Detach intake pipe (1) •   Remove bolt (2) •   Pull suction pipe from bracket

7.   Remove heated oxygen sensor for mixture regulation •   Disconnect wiring harness connector. •   Unclip cable from bracket •   Carefully unscrew using KM-6129 (1)

8.   Remove oil dipstick guide tube •   Remove bolt (arrow) 9.   Remove exhaust manifold heat shield •   Unscrew 2 bolts

  Install

11.   Clean sealing surfaces •   Cylinder head, exhaust manifold 12.   Install exhaust manifold •   Replace gasket •   Replace nuts •   Tighten 9 nuts 15 Nm (wait for 30 sec. and then 15 Nm again) 13.   Attach exhaust manifold heat shield •   Tighten 2 bolts 8 Nm