Have a Car Question? Ask a Mechanic Online.
3.0L DOHC Engines
See Figure 10
Disconnect the negative battery cable.
Remove the accessory drive belt. Refer to General Information & Maintenance for this procedure.
Disengage the electrical harness connector and output terminal wiring.
Remove the engine control sensor nut and position the nut aside.
Unfasten the two alternator bolts and one alternator stud bolt.
Remove the alternator from the vehicle.
Place the alternator into position and install the two mounting bolts and bolt stud. Tighten the bolts and stud bolt to 15-22 ft. lbs. (20-30 Nm).
Place the engine control sensor in position and install its retaining nut. Tighten the nut to 11-14 ft. lbs. (15-20 Nm).
Attach the electrical harness connector and output terminal wiring. Tighten the output wiring terminal retaining nut to 80-106 inch lbs. (9-12 Nm).
Install the accessory drive belt. Refer to General Information & Maintenance for this procedure.
Connect the negative battery cable.
Fig. 10: Exploded view of the alternator mounting-3.0L and DOHC engines (3.4L DOHC engines similar)
2003 Jetta left rear window blue plastic part of the