Drive Belt Tensioner: Testing and Inspection

Drive Belt Auto-Tensioner Inspection

Special Tools Required

- Belt Tension Release Tool Snap-on YA9317 or equivalent, commercially available
*Available through the Honda Tool and Equipment Program, 888-424-6857

1. Turn the ignition switch to ON (II), and make sure the A/C switch is OFF, then turn the ignition switch to LOCK (0).

2. Check the position of the auto-tensioner indicator (A). Start the engine, then check the position again with the engine idling. If the position of the indicator moves or fluctuates a lot, replace the auto-tensioner Drive Belt Auto-Tensioner Removal/Installation.





3. Check for abnormal noise from the tensioner pulley. If you hear abnormal noise, replace the tensioner pulley Drive Belt Auto-Tensioner Pulley Replacement.

4. Remove the drive belt Service and Repair.

5. Move the auto-tensioner within its limit using the belt tension release tool in the direction of the arrow. Check that the auto-tensioner moves smoothly and without any abnormal noise. If the auto-tensioner does not move smoothly or you hear abnormal noise, replace the auto-tensioner Drive Belt Auto-Tensioner Removal/Installation.






6. Remove the auto-tensioner Drive Belt Auto-Tensioner Removal/Installation.

7. Clamp the auto-tensioner (A) by using two 8 mm bolts (B), and a vise (C) as shown. Do not clamp the auto-tensioner itself.









8. Attach the torque wrench (D) in the pulley bolt, and align it as shown.

9. Align the auto-tensioner indicator (E) on the auto-tensioner base with Max. belt position mark (F) on the auto-tensioner arm by using the torque wrench, and measure the torque. If the torque value is out of specification, replace the auto-tensioner Drive Belt Auto-Tensioner Removal/Installation.

NOTE: If the auto-tensioner indicator exceeds the Max. belt position mark, recheck the torque.