6.3.01 Alternator
- Make
- Aston Martin
- Model
- DB7 Factory Workshop Manual Volume 2: Electrics, Body and Air Conditioning
- Year
- 1994–1998
- Section
- Repair procedures › 6.3.01 Alternator
Electrics6.3.01 Alternator
Procedure
- Disconnect the battery.
- Disconnect the wiper motor multi-plug.
- Remove the nut and lockplate (Fig 1-1) from the motor gearbox shaft and release the drive bracket from the shaft.
- Remove three nuts (Fig 1-2) and remove the motor from its mounting bracket.
Figure 1. Windscreen Wiper Motor
6.3.01 Alternator
Procedure
- Disconnect the battery earth lead.
- Using a 3/8" ratchet handle, release the drive belt tension. Slip the belt from the water pump drive pulley and from the alternator drive pulley.
- Release the ignition leads from the support on the alternator top mounting.
- Remove the alternator output lead cover, remove the nut and washers and disconnect the alternator output lead.
- Disconnect the electrical plug on the rear of the alternator.
- Remove the alternator lower mounting bolt.
- Loosen the alternator upper mounting bolt, support the alternator, remove the upper bolt and the alternator.
Figure 1. Alternator Mountings
Replacement is the reverse of the removal procedure. The drive belt is tensioned automatically by the spring loaded idler on refitting the main drive belt.
Parts & tools for this job For 1994 Aston Martin DB7
- TOOLBattery testerSearch: car battery tester
- TOOLDigital multimeterSearch: automotive digital multimeter
- TOOLBattery terminal cleanerSearch: battery terminal cleaner
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