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 Belt Tension Gauge Adapter 8371 and the DRBIII using the following procedures:

1. Connect Belt Tension Gauge Adapter 8371 to the DRBIII following the instructions provided with tool.

Fig. 3:

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). Refer to ACCESSORY DRIVE BELT TENSION CHART for belt tension specifications.

2.7L ACCESSORY DRIVE BELT TENSION CHART: