Left Upper
Primary Camshaft Drive Chain Guide Replacement - Left UpperRemoval 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 upper guide area by moving the chain links clockwise around the right intake sprocket.
Important: Ensure the relationship between the primary camshaft drive chain and balance shaft sprocket remain in a timed sequence.
3. Rotate the balance shaft counterclockwise in order to transfer the chain slack from the right upper guide to the left upper guide.
4. Remove the chain guide access plug (3) located in the cylinder head. Note the O-ring seal on the access plug.
5. Remove the primary drive chain left upper guide bolts.
6. Remove the primary camshaft drive chain left upper guide by pulling the guide downward through the front cover area.
Installation Procedure
1. Install the primary camshaft drive chain left upper guide upward through the front cover area, aligning the guide to the threaded holes in the cylinder head and block.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the primary drive chain left upper 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 (3).
Tighten the chain guide access plug to 5 Nm (44 inch lbs.).
Important: Ensure the relationship between the primary camshaft drive chain and balance shaft sprocket remain in a timed sequence.
4. Rotate the balance shaft clockwise in order to transfer the chain slack from the left upper guide to the right upper guide.
5. Transfer the chain slack from the primary camshaft drive chain upper guide area to the primary camshaft drive chain tensioner area by moving the chain links counterclockwise around the right intake sprocket.
6. Install the primary camshaft drive chain tensioner.