Alternator Pulley Test

1.Remove the drive belt.

2.Remove the pulley cap (A) from the alternator pulley, then set the 17 mm HEX wrench (B) to the pulley.

 

3.Hold the wrench, and rotate the alternator pulley both ways. Does it lock in one direction and rotate smoothly in reverse? If it does not lock in either direction or it locks in both directions, replace it.

4.Install the new pulley cap to the alternator pulley.

5.Install the drive belt.