Honda Accord: Drive Belt Auto-tensioner
Inspection - Charging System - Engine Electrical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Drive Belt Auto-tensioner Inspection

Special Tools Required

Belt Tension Release Tool Snap-on YA9317 or equivalent, commercially available

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

2. Check the position of the auto-tensioner indicator's pointer (A). Start the engine, then check the position again with the engine idling. If the position of the indicator moves or fluctuates very much, replace the auto-tensioner (see page 4-31).

3. Check for abnormal noise from the tensioner pulley. If


3. Check for abnormal noise from the tensioner pulley. If you hear abnormal noise, replace the auto-tensioner pulley (see page 4-32).

4. Remove the drive belt (see page 4-30).

5. Move the auto-tensioner within its limit with the belt tension release tool in the direction of the rotation arrow. Check that the auto-tensioner moves smoothly and without any abnormal noise. If the auto-tensioner does not move smoothly, or if you hear abnormal noise, replace the auto-tensioner (see page 4-31).

6. Remove the auto-tensioner (see page 4-31).


6. Remove the auto-tensioner (see page 4-31).

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) on the pulley bolt, and align it as shown.

9. Align the auto-tensioner indicator's pointer (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 (see page 4-31).

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

Auto-tensioner Spring Torque: 33.1 - 4 0 . 5 N-m (3.38-4.13 kgf-m, 24.4-29.9 Ibfft)

    Drive Belt Removal/Installation
    Special Tools Required Belt Tension Release Tool Snap-on YA9317 or equivalent, commercially available 1. Move the auto-tensioner (A) with the belt tension release tool (B) in the direction of the ...

    Drive Belt Auto-tensioner Removal/Installation
    1. Remove the drive belt (see page 4-30). 2. Remove the power steering (P/S) fluid reservoir from the holder. 3. Remove the P/S pump (A) without disconnecting the P/S hoses, then remove the P/ ...

    See also:

    ACC (Adaptive Cruise Control)*
    Maintains a constant vehicle speed and a safe distance between your vehicle and the vehicle ahead of you without having to keep your foot on the brake pedal or accelerator. WARNING Improper ...

    Keys and Locks
    The master key fits all the locks on your vehicle. The valet key works only in the ignition and the driver’s door lock. You can keep the trunk release handle, and glove box locked when y ...

    DTC Troubleshooting
    PTC 11 -1x { " x " can be 0 ,2 thru 3 or A thru F): Open io the Driver's Airbag First Inflator DTC 11-4x ("x" can be 0,2 thru 9 or A thru F): Open in the Driver's Airbag Second ...