Diesel Data: Automotive Repair

Drive Belt Tensioner: Testing and Inspection




Drive Belt Auto-Tensioner Inspection

Special Tools Required

- Dummy 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 of the pointer again with the engine idling. If the position of the indicator moves or fluctuates a lot, replace the auto-tensioner Drive Belt Auto-Tensioner Replacement.






3. Check for abnormal noise from the tensioner pulley. If you hear abnormal noise, replace the auto-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 shown. Check that the tensioner moves smoothly and without any abnormal noise. If the tensioner does not move smoothly, or you hear abnormal noises, replace the auto-tensioner Drive Belt Auto-Tensioner Replacement.






6. Remove the auto-tensioner Drive Belt Auto-Tensioner Replacement.

7. Clamp the auto-tensioner (A) by using a 10 mm bolt (B), an 8 mm bolt (C), and a vise (D) as shown. Do not clamp the auto-tensioner itself.






8. Attach a torque wrench (A) to the pulley bolt. Measure the torque when the tensioner is turned counterclockwise. If the torque is less than the specified value, replace the auto-tensioner Drive Belt Auto-Tensioner Replacement.










9. Install the auto-tensioner in the reverse order of removal.