Timing Chain: Service and Repair

Fig. 7 Valve timing marks:

Replacing The Crankshaft Sprocket:

REMOVE OR DISCONNECT
Tool Required: J-5825, Crankshaft Sprocket Puller
1. Timing cover. Refer to Timing Cover / Service and Repair. Service and Repair
^ Place number one piston at top dead center with the marks on the camshaft and crankshaft sprockets aligned (number four firing) (figure 7).
2. Camshaft sprocket bolts.
3. Camshaft sprocket and chain.
^ If the sprocket does not come off easily, a light blow on the lower edge of the sprocket (with a plastic mallet) should dislodge the sprocket.
4. Crankshaft sprocket (if required) using J-5825

INSTALL OR CONNECT
Tool Required: J-5590, Crankshaft Sprocket Installer
1. Crankshaft sprocket (if removed) using J-5590.
^ Make sure the timing mark faces outward.
2. Timing chain onto the camshaft sprocket.
^ Lubricate the thrust surface with "Molykote" or equivalent.
3. Sprocket onto the camshaft.
^ Hold the sprocket vertically with the chain hanging down and align the marks on the camshaft and crankshaft sprockets.
^ Align the dowel in the camshaft with the dowel hole in the sprocket.
4. Camshaft sprocket bolts.
^ Draw the camshaft sprocket onto the camshaft using the mounting bolts.
Tighten
^ Camshaft sprocket bolts to 23 Nm (17 ft. lbs.).
5. Timing cover. Refer to Timing Cover / Service and Repair. Service and Repair
^ Lubricate the timing chain with engine oil.