Component Tests and General Diagnostics

STANDARD PROCEDURE - CHECKING ACCESSORY DRIVE BELT TENSION - 2.7L

WARNING: DO NOT CHECK BELT TENSION WITH ENGINE RUNNING.

Accessory drive belt tension can be measured with Special Tool 8371 - Belt Tension Gauge Adapter, and the DRBIII using the following procedures:
1. Connect 8371 to the DRBIII following the instructions provided with tool.





2. Place end of microphone probe approximately 2.54 cm (1 inch) from belt at one of the belt center span locations shown in (Fig. 3).
3. Pluck the belt a minimum of 3 times. (Use your finger or other suitable tool) The frequency of the belt in hertz (Hz) will display on DRBIII screen.
4. Adjust belt to obtain proper frequency (tension).





2.7L ACCESSORY DRIVE BELT TENSION CHART