Lower

Primary Camshaft Drive Chain Guide Replacement - Lower

Removal Procedure
1. Remove the primary camshaft drive chain tensioner.
2. Transfer the chain slack from the primary camshaft drive chain tensioner area to the primary camshaft drive chain lower guide area by moving the chain links counterclockwise around the crankshaft sprocket.





3. Remove the chain guide access plug (4) located in the cylinder head. Note the O-ring seal on the access plug.





4. Remove the primary drive chain lower guide bolts.
5. Remove the primary camshaft drive chain lower guide in the following order:
5.1. Rotate the guide clockwise.
5.2. Pull the guide downward through the front cover area.

Installation Procedure
1. Install the primary camshaft drive chain lower guide in the following order:
1.1. Position the guide upward through the front cover area.
1.2. Rotate the guide counterclockwise around the drive chain.

Notice: Refer to Fastener Notice in Service Precautions.





2. Install the primary camshaft drive chain lower guide bolts.
Tighten the primary camshaft drive chain guide bolts to 30 Nm (22 ft. lbs.).

Important: Ensure that the chain guide access plug has an O-ring installed.





3. Install the chain guide access plug (4).
Tighten the chain guide access plug to 5 Nm (44 inch lbs.).
4. Rotate the crankshaft clockwise only enough to transfer the chain slack to the primary drive chain tensioner side.
5. Transfer the chain slack from the primary camshaft drive chain lower guide area to the primary camshaft drive chain tensioner area by moving the chain links clockwise around the crankshaft sprocket.
6. Install the primary camshaft drive chain tensioner.