REMOVAL AND INSTALLATION

Pre-removal Operation

Valve Timing Chain Removal (Refer to GROUP 11A - Timing Chain ). <4B1>
Timing Chain Removal (Refer to GROUP 11C - Timing Chain ). <4J1>

Post-installation Operation

Valve Timing Chain Installation (Refer to GROUP 11A - Timing Chain ). <4B1>
Timing Chain Installation (Refer to GROUP 11C - Timing Chain ). <4J1>

			Removal steps
		1.	Oil pump chain guide
		2.	Oil pump tensioner lever
<<A>>	>>C<<	3.	Oil pump sprocket centre bolt
<<A>>		4.	Oil pump chain and oil pump sprocket
	>>B<<	5.	Oil pump chain
	>>B<<	6.	Oil pump sprocket
	>>A<<	7.	Crankshaft sprocket

REMOVAL SERVICE POINT

<<A>> OIL PUMP SPROCKET CENTRE BOLT/OIL PUMP CHAIN AND OIL PUMP SPROCKET REMOVAL

1.Hold the oil pump sprocket with special tool top cover wrench (MB991346).
2.Loosen the oil pump sprocket centre bolt and remove the oil pump chain and oil pump sprocket.

INSTALLATION SERVICE POINTS

>>A<< CRANKSHAFT SPROCKET INSTALLATION

1.Wipe off the dirt off the crankshaft sprocket and crankshaft as shown in the figure using a rag, and then degrease the areas.

note

Degrease to prevent a drop in the coefficient of friction of the pressing portion caused by adhesion of oil.

2.Install the crankshaft sprocket to the crankshaft.

>>B<< OIL PUMP SPROCKET/OIL PUMP CHAIN INSTALLATION

1.Install the oil pump sprocket to the oil pump case.

2.Install the oil pump chain to the crankshaft sprocket.

3.Install the oil pump chain to the oil pump sprocket.

>>C<< OIL PUMP SPROCKET CENTRE BOLT INSTALLATION

1.Hold the oil pump sprocket with special tool top cover wrench (MB991346) in the same manner as removal.
2.Tighten the oil pump sprocket centre bolt to the specified torque.
Tightening torque: 23 ± 2 N·m