Engine - Drive Belt Tensioner Replacement Instructions

08-049

October 31, 2008

Applies To:
2003-06 MDX - ALL
2005-07 RL - ALL
2004-06 TL - ALL

Drive Belt Auto-Tensioner Replacement Instructions

BACKGROUND

Replacement drive belt auto-tensioners have been updated. Installing this updated auto-tensioner requires the lower timing cover to be trimmed slightly for clearance.

This service bulletin duplicates the instructions packaged with the drive belt auto-tensioner.

CORRECTIVE ACTION

Trim the rib of the lower timing belt cover before installing the updated drive belt auto-tensioner.

REPAIR PROCEDURE

1. Remove the drive belt and auto-tensioner:

^ Refer to the appropriate service manual, or

^ Online, enter keywords DRIVE BELT, and select Drive Belt Auto-Tensioner Replacement from the list.

2. Raise the vehicle on a lift, and remove the right (passenger's) front wheel.

3. Remove the under cover from the right side to access the engine.

4. Looking in from the right front wheelwell opening, inspect the lower timing belt cover's rib.

^ If the rib is untrimmed (as in the 1st illustration below), go to step 5.





^ If the rib is already trimmed (as in the 2nd illustration), go to step 6.





5. As shown below, use a die grinder or a utility knife to trim off a 3-mm section of the lower timing belt cover.

6. Reinstall the right-side under cover.

7. Reinstall the right-front wheel, and lower the vehicle.

8. Install the new drive belt auto-tensioner.

9. Reinstall the drive belt.





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