For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Remove the drive belt. Refer to Drive Belt Replacement - Accessory . Inspect the drive belt tensioner pulley. Is the drive belt tensioner pulley loose or misaligned? | Go to Step 4 | Go to Step 2
2 | Rotate the drive belt tensioner. Does the tensioner rotate without any unusual resistance or binding? | Go to Step 3 | Go to Step 4
3 |

1. Use a torque wrench in order to measure the torque required to move the tensioner off of the stop.
2. Use a torque wrench on a known good tensioner in order to measure the torque required to move the tensioner off of the stop.

Is the first torque reading within 10% of the second torque reading?

System OK

Go to Step 4

4 | Replace the drive belt tensioner. Refer to Drive Belt Tensioner Replacement - Accessory. Is the repair complete? | System OK | --