How Do I Change the Alternator in a 1989 Chevy Cavalier Z24?
When you prepare to change the alternator on a 1989 Chevy Cavalier Z24, inspect the drive belt for tension and wear. Check the wiring to make sure there no bare wires or loose connectors. If everything looks good, check the alternator to confirm the amperage. They are available in several amperage ratings. There should be a label on the alternator with the manufacturer and the amperage rating. This way the purchase of the right amperage alternator for the application is assured. Disconnect the negative cable from the battery, using a wrench. Disconnect the top plastic electrical connector from the alternator by pulling it out. Loosen all the securing bolts in the front and back of the alternator, using a wrench. Push the alternator toward the engine and remove the drive belt. Remove the lower rear alternator bolt, using the appropriate socket and ratchet. Remove the upper, rear alternator-to-mounting brace bolt using the same socket. Remove the large red main lead on the center back of
