Timing Chain: Service and Repair
REMOVAL PROCEDURETools Required
- J 23523-F Crankshaft Balancer Remover and Installer
- J 5825-A Crankshaft Sprocket Remover
1. Remove the engine front cover.
Refer to Engine Front Cover Replacement.
IMPORTANT: Once the composite engine front cover is removed, do not reinstall it. Always install a new engine front cover.
2. Remove the crankshaft position sensor reluctor ring.
3. Rotate the crankshaft until:
3.1. The timing marks on both sprockets line up.
3.2. The number one cylinder is at Top Dead Center (TDC) of the compression stroke.
4. Remove the camshaft sprocket bolts.
5. Remove the camshaft sprocket.
6. Remove the timing chain.
7. Use the J 5825-A in order to remove the crankshaft sprocket.
8. If necessary, remove the crankshaft sprocket key.
INSTALLATION PROCEDURE
Tools Required
- J 23523-F Crankshaft Balancer Remover and Installer
- J 5590 Crankshaft Sprocket Installer
1. Install the key into the slot in the crankshaft (if removed).
2. Use the J 5590 and a hammer in order to install the crankshaft sprocket.
IMPORTANT: The sprockets must mesh in order to prevent damage to the camshaft retainer.
3. Install the camshaft sprocket and timing chain.
NOTICE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: Be sure to align the camshaft and the crankshaft sprocket alignment marks.
4. Install the camshaft sprocket bolts.
Tighten
Tighten the camshaft sprocket bolts to 25 Nm (18 ft. lbs.).
5. Install the crankshaft position sensor reluctor ring.
Refer to Crankshaft Position Reluctor Ring Replacement.
6. Install the engine front cover.
Refer to Engine Front Cover Replacement.