Vauxhall Workshop Service and Repair Manuals

Alternator, Remove and Install (X 18 XE1, Z 18 XE, Z 18 XEL)  

Notice: 

For repairs to the alternator: see corresponding operations in Service Instructions "OHC Petrol Engine".  

  Remove, Disconnect   

Disconnect ground cable from battery.   Disconnect wiring harness plug (1) from hot film mass air flow meter and remove air duct pipe (2).   Remove ribbed V-belts - see operation "Ribbed V-belts, Remove and Install".   Unclip wiring harness plug (3) of camshaft sensor out of wiring harness plug bracket and disconnect.   Remove engine cover from cylinder head cover.

  Remove, Disconnect   

Detach coolant line (1) from throttle body and from thermostat housing.   Remove ground cable from upper alternator shackle.   Remove fastening bolts or fastening nut (arrows) and remove alternator shackle (2).

  Remove, Disconnect   

Remove fastening bolts (arrows) and remove torque support (1).   Disconnect or detach wiring harness plug (2) for crankshaft pulse pick-up and wiring harness plug (3) for oil pressure switch.

  Remove, Disconnect   

Remove fastening bolts (arrows) and remove alternator support (1) upwards.   Remove cable connections from alternator.   Unbolt lower alternator bracket (2) from cylinder block and remove upwards together with alternator.

  Remove, Disconnect   

Remove fastening bolt (1) and detach alternator from lower alternator bracket.     Install, Connect    Attach alternator to lower alternator bracket - tightening torque 35 Nm / 26 lbf. ft.   Attach lower alternator bracket to cylinder block - tightening torque 35 Nm / 26 lbf. ft.   Insert alternator support and fasten - tightening torque 35 Nm / 26 lbf. ft.   Attach cable connections to alternator.   Attach or connect wiring harness plug for crankshaft pulse pick-up and wiring harness plug for oil pressure switch - ensure cable routing is correct.   Install torque support - 60 Nm / 44 lbf. ft.   Insert upper alternator bracket, attach to alternator and inlet manifold - tightening torque 20 Nm / 15 lbf. ft.   Attach ground cable to upper alternator bracket.   Attach coolant line to throttle body and to thermostat housing.

  Install, Connect   

Install engine cover on cylinder head cover.  

Connect wiring harness plug for camshaft sensor and clip into wiring harness plug bracket.  

Install ribbed V-belt - see operation "Ribbed V-belt, Remove and Install".  

Notice: 

Before assembling components of the intake system (hoses, connections, etc.), they must be cleaned of any possible contamination (grease, oil, etc.). When tightening the hose clamps, be sure to observe exactly the tightening torque of 3.5 Nm / 2.6 lbf. ft.  

  Important!   

It is only ensured that the intake system is free of leaks, thus ensuring operational safety of the engine, if the hose clamps are tightened correctly to the prescribed tightening torque.  

  Install, Connect   

Install air duct pipe and connect wiring harness plug to hot film mass air flow meter.  

Connect ground cable to battery.