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Hello,

The following is the procedure for removing the alternator on a Lexus ES330:

Remove or disconnect the following:

§ Negative battery cable. Wait at least 90 seconds before performing any other work.

§ Remove two wire harness clamps.

§ Disconnect the alternator connector.

§ Open the terminal clamp.

§ Remove the nut, then disconnect the alternator wire.

§ Loosen mounting bolts to lessen tension of the alternator belt

§ Remove mounting bolts

§ Remove the wiring harness clamp bolt.

To install:

1. Install or connect the following:

§ Wiring harness clamp bracket with bolt

§ Temporarily install mounting bolts

§ Adjust belt with tensioner

§ Tighten mounting bolts to lower mounting bolt 13ft.lbs. (18 Nm) upper 43 ft. lbs.(58 Nm)

§ Alternator wire nut, tighten to 7 ft. lbs. (9.8 Nm)

§ Alternator wire connector

§ Wiring harness clamp

§ Battery negative cable

Good luck with your repairs!

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14y ago

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