Alternator - removal and refitting

Starting and charging systems / Alternator - removal and refitting

Removal
1 Disconnect the battery negative lead.

2 Release the clip and pull the multi-plug from the rear of the alternator (see illustration).

6.2 Release the clip and pull the multi-plug from the rear of the alternator

3 Loosen the auxiliary belt tensioner nut and lockscrew, then slacken the tensioner strut pivot bolt (see illustrations). Push the alternator in towards the engine and slip the drivebelt from the alternator and crankshaft pulleys, (and G-charger pulley on G40 models) - refer to auxiliary belt tensioning procedure in Chapter 1 for greater detail.

6.3a Auxiliary belt tensioner nut and lockscrew (arrowed)

6.3b Loosening the tensioner strut pivot bolt

4 Remove the adjustment link nut and washer.

5 Support the alternator then remove the pivot bolt and withdraw the unit from the engine (see illustration).

6.5 Removing the alternator upper pivot bolt

Refitting
6 Refitting is a reversal of removal, but before fully tightening the pivot and tensioner nuts/bolts, tension the auxiliary drivebelt as described in Chapter 1.