Timing Chain and Sprocket

Timing Chain Assembly And Camshaft Sprocket:

Crankshaft Sprocket Removal:

Crankshaft Sprocket Installation:

TOOLS REQUIRED:
J 23444-A Crankshaft Sprocket Remover J 38612 Crankshaft Sprocket Installer.

REMOVE OR DISCONNECT
1. Engine front cover assembly.
2. Rotate crankshaft assembly until timing marks on crankshaft sprocket (24) and camshaft sprocket (92) are aligned to marks on engine block (52) or timing chain dampener (51). This is the number 1 piston at top dead center.
3. Camshaft sprocket bolt/screw (91).
4. Camshaft sprocket (92) and timing chain assembly (25).
5. Crankshaft sprocket (24) using J 23444-A.
6. Timing chain dampener bolts/screws (50) and dampener (51).

INSTALL OR CONNECT
1. Crankshaft sprocket (24) using J 38612 until fully seated on flange of crankshaft nose.
2. Camshaft sprocket (92) and timing chain assembly (25).
3. Install chain damper to block.
4. Align crankshaft timing mark to timing mark on bottom of chain damper.
5. Hold car sprocket with the chain hanging down and install chain to crankshaft gear.
6. Align timing mark on camshaft gear (center line of locator hole) with timing mark on top of chain damper.
7. Camshaft sprocket bolt/screw (91).Tighten bolts/screws (91) to 100 Nm (74 lb. ft.).
8. Timing chain dampener (51) and bolts/screws (50). Tighten bolts/screws (50) to 25 Nm (18 lb. ft.).
9. Engine front cover assembly.