Timing Chain Tensioner: Service and Repair

Cam Chain Auto-tensioner Removal and Installation

Removal

1. Remove the chain case cover.






2. Turn the crankshaft counterclockwise to compress the auto-tensioner.






3. Align the holes on the lock (A) and the auto-tensioner (B), then insert a 1.2 mm (0.05 in.) diameter pin or lock pin (P/N 14511-PNA-003) (C) into the holes. Turn the crankshaft clockwise to secure the pin.
NOTE: Check the auto-tensioner cam position. If the position is not aligned, set the first cam to the first edge of the rack. Cam Chain Installation






4. Remove the auto-tensioner.






Installation

1. Install the auto-tensioner.






2. Remove the 1.2 mm (0.05 in.) diameter pin or lock pin (P/N 14511-PNA-003) from the auto-tensioner.

3. Remove all of the old liquid gasket from the chain case cover mating surfaces, the bolts, and the bolt holes.

4. Clean, and dry the chain case cover mating surfaces.






5. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the chain case mating surface of the chain case cover, and to the inside edge of the threaded bolt holes. Install the component within 5 minutes of applying the liquid gasket.
NOTE:

- If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes.

- If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.





6. Install the chain case cover.
NOTE:

- Wait at least 30 minutes before filling the engine with oil.

- Do not run the engine within 3 hours after installing the chain case cover.