Camshaft Gear/Sprocket: Service and Repair

REMOVAL PROCEDURE
- Tools Required
- J 5825-A Crankshaft Sprocket Remover

IMPORTANT: Once the engine front cover is removed, do not re-install it.





1. Always install a NEW engine front cover.
2. Remove the engine front cover.
3. Remove the crankshaft position reluctor ring.
4. Rotate the crankshaft until:
- The number one cylinder is at top dead center (TDC) of the compression stroke.
- The timing marks on both sprockets line up.





5. Remove the camshaft sprocket bolts.
6. Remove the camshaft sprocket and the timing chain.





7. Use the J 5825-A in order to remove the crankshaft sprocket.
Remove the crankshaft sprocket key if necessary.
8. Inspect all parts for wear or damage.

INSTALLATION PROCEDURE
- Tools Required
- J 5590 Crankshaft Sprocket Installer





1. Use the J 5590 and a hammer in order to install the crankshaft sprocket.
Install the key into the crankshaft, if removed.





2. Make sure that the number 1 piston is still at TDC of the compression stroke.
3. Align the timing marks on both sprockets.





4. Install the camshaft sprocket and the timing chain.
The sprockets must mesh in order to prevent damage to the camshaft retainer.

NOTICE: Refer to Fastener Notice in Service Precautions.

5. Install the camshaft sprocket bolts.
Tighten the bolts to 25 Nm (18 ft. lbs.).
6. Be sure to align the camshaft and the crankshaft sprocket alignment marks.
7. Install the NEW engine front cover.
8. Install the crankshaft position reluctor ring.