Toyota 27060-22090 Alternator Assembly

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Detach the cable from the negative terminal of the battery and remove the drivebelt. Disconnect the electrical connectors from the alternator and remove the alternator mounting bolts before taking the alternator out of the engine. If replacing the alternator, bring the old unit when purchasing a new or rebuilt one, ensuring it is identical in terms of terminal number, size, and location, as well as matching identification markings stamped in the housing or on a tag. Many new or rebuilt alternators may not come with a pulley, so you might need to transfer the pulley from the old unit; check the shop's policy on pulley installation, as some may offer this service for free. Reinstallation follows the reverse order of removal, and once the alternator is in place, reinstall the drivebelt. Finally, check the charging voltage to ensure the alternator operates correctly.

Detach the cable from the negative pole of the battery and get rid of the belt. Then, disconnect electrical connections from your alternator and if present, unfasten its housing from engine wiring harness. Undo screws securing alternator in place and remove it. Be sure to choose a new or remanufactured unit that has similar terminals as well as identifying symbols with those used in replacing an old one. If your recently bought generator does not have some pulley you may be required to fit your old one onto it; ascertain from the garage whether they offer this service for free. For re-installation purposes, simply follow reverse procedures to removal stage, then come back and fix drive belt back on before finally test charging voltage to ensure correct alternator functioning.