Timing Chain: Service and Repair

Timing chain alignment marks:

REMOVE OR DISCONNECT
1. Front cover.
2. Injection pump gear.
3. Camshaft gear. Align the timing marks.
4. Camshaft sprocket with timing chain.
5. Crankshaft sprocket.

INSTALL OR CONNECT
1. Crankshaft sprocket.
2. Camshaft sprocket with timing chain. Align the timing marks.
3. Camshaft gear, bolt, and washer. Tighten bolt to 85 Nm (65 ft lbs).
4. Injection pump gear and bolts. Align the timing marks and tighten bolts to 23 Nm (17 ft lbs).
5. Front cover.
6. Adjust injection pump timing.