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How do you replace the alternator on a 1990 Toyota Celica st?

How to Replace the Alternator on a 1990 Toyota Celica ST

1. Disconnect the battery.

* Locate the negative battery terminal on the driver's side of the engine bay.

* Loosen the nut that holds the negative battery cable to the terminal using a wrench.

* Remove the negative battery cable from the terminal.

* Store the negative battery cable in a safe place.

2. Remove the drive belt.

* Locate the drive belt tensioner on the front of the engine.

* Insert a 3/8-inch drive ratchet into the tensioner and turn it clockwise to loosen the belt tension.

* Remove the drive belt from the alternator and the other pulleys.

* Store the drive belt in a safe place.

3. Remove the alternator bracket.

* Locate the alternator bracket on the front of the engine.

* Remove the two nuts that hold the alternator bracket to the engine block using a wrench.

* Store the alternator bracket and the nuts in a safe place.

4. Remove the alternator.

* Locate the alternator on the front of the engine.

* Remove the two bolts that hold the alternator to the engine block using a wrench.

* Remove the alternator from the engine bay.

* Store the alternator in a safe place.

5. Install the new alternator.

* Place the new alternator in the engine bay.

* Insert the two bolts that hold the alternator to the engine block and tighten them using a wrench.

* Install the alternator bracket and tighten the two nuts using a wrench.

6. Install the drive belt.

* Place the drive belt around the alternator and the other pulleys.

* Insert a 3/8-inch drive ratchet into the tensioner and turn it counterclockwise to tighten the belt tension.

7. Connect the battery.

* Reconnect the negative battery cable to the negative battery terminal.

* Tighten the nut that holds the negative battery cable to the terminal using a wrench.

8. Test the alternator.

* Start the engine.

* Turn on the headlights and the air conditioner.

* Check the voltage at the battery terminals using a voltmeter. The voltage should be between 13.5 and 14.5 volts.