Special Tools

J 39914 Serpentine Belt Tensioner Unloader

1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.
3. Using J 39914 rotate the drive belt tensioner (8) to release the tension on the drive belt.
4. Remove the drive belt from the left idler pulley (3).
5. Carefully release J 39914 to relieve the drive belt tensioner spring tension.
6. Remove J 39914 from the drive belt tensioner (8).



7. Loosen the left belt idler pulley bolt.
8. Remove the left belt idler pulley and bolt from the engine front cover.

Caution: Refer to Fastener Caution in the Preface section.




1. Install the left belt idler pulley and bolt to the engine front cover and tighten the bolt to 50 N·m (37 lb ft).



2. Insure the drive belt is properly centered on all the pulleys except the right idler pulley (3).
3. Using J 39914 rotate the drive belt tensioner away from the drive belt.
4. Install the drive belt to the left idler pulley (3).
5. Carefully release J 39914 allowing the drive belt tensioner (8) to come in contact with the drive belt.
6. Remove J 39914 from the drive belt tensioner (8).
7. Inspect the drive belt to insure the belt is properly centered on all the pulleys (1-8).
8. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement.
9. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.