REMOVAL & INSTALLATION

2TZ-FE Engine

1. Raise and safely support the vehicle.
2. Remove the No. 1 engine undercover.

   Fig. 1: Alternator mounting — 2TZ-FE engine

3. Lower the vehicle.
4. Disconnect the alternator wire from the adjusting bar.
5. Detach the alternator connector.

   Fig. 2: Some of the wiring is hard to access

6. Remove the nut, and disconnect the alternator wire.

   Fig. 3: Remove the wire from the shaft on the top of the alternator

7. Loosen the lock bolt, adjusting bolt and pivot bolt then remove the drive belt.

   Fig. 4: Loosen the bolts on the alternator to remove the drive belt

8. Remove the pivot bolt and lock bolt.

   Fig. 5: The adjuster bracket and bolt are located on the side of the alternator

   Fig. 6: Pull the lock bolt from the lower portion of the alternator

9. Hold the alternator and extract it from the vehicle.

   Fig. 7: Extract the alternator from the bottom of the vehicle

   To install: Mount the alternator on the bracket with the pivot bolt and lock bolt. Do not tighten them yet.

10. Install and adjust the drive belt with the adjusting bolt. Tighten the lock bolt to 13 ft. lbs. (18 Nm) and the pivot bolt to 37 ft. lbs. (50 Nm).
11. Attach the alternator connector.
12. Connect the alternator wire with the nut.
13. Connect the alternator wore to the adjusting bar with the bolt.
14. Rasie and support the vehicle and install the No. 1 engine undercover.
15. Perform the on vehicle testing inspection.

2TZ-FZE Engine

1. Remove the air duct.

   Fig. 8: Exploded view of the alternator and related components — 2TZ-FZE engine

2. Remove the engine coolant reservoir.
3. Remove the battery. Be sure to disconnect the negative battery cable first.
4. Loosen the No. 1 idler pulley nut and adjusting bolt, then extract the drive belt.

   Fig. 9: Loosen the No. 1 idler pulley nut and adjusting bolt — 2TZ-FZE engine

5. Disconnect the alternator wires and connector from the unit and stay.
6. Remove the 3 bolts and extract the alternator. One bolt is strictly for the alternator, the other two retain the stay to the alternator.

   Fig. 10: Remove the 2 stay bolts and 1 alternator bolt

   To install: Position the alternator with the 3 bolts and tighten the alternator bolt to 37 ft. lbs. (50 Nm). Tighten the stay bolts to 20 ft. lbs. (26 Nm).

7. Attach the alternator wires and connector to the unit and stay.
8. Install and adjust the drive belt with the adjusting bolt and No. 1 idler pulley nut.
9. Install the battery.
10. Install the engine coolant reservoir and air duct.
11. Perform the on vehicle testing inspection.