• | For the left valve rocker arm cover, refer to Valve Rocker Arm Cover Replacement - Left Side . |
• | For the right valve rocker arm cover, refer to Valve Rocker Arm Cover Replacement - Right Side . |
Important: If the rocker arms are to be reused, mark the relationship and location of the rocker arm to ensure the proper installation of the rocker arm.
Important: If the pushrods are going to be reused, mark the location and position of the pushrod to ensure the proper installation of the pushrod.
Important: When reusing the valve train components, always install the components to the original location and position.
Lubricate the flange or washer surface of the bolt that will contact the valve rocker arm.
Important: Make sure that the pushrods seat properly to the valve lifter sockets.
Important: Make sure that the pushrods seat properly to the ends of the rocker arms. DO NOT tighten the rocker arm bolts at this time.
In this position, cylinder number one rocker arms will be off lobe lift, and the crankshaft sprocket key will be at the 1:30 position.
The engine firing order is 1,8,7,2,6,5,4,3.
Cylinders 1,3,5 and 7 are the left bank.
Cylinder 2,4,6 and 8 are the right bank.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten
• | Tighten the cylinders 1,2,7 and 8 exhaust valve rocker arm bolts to 30 N·m (22 lb ft). |
• | Tighten the cylinders 1,3,4 and 5 intake valve rocker arm bolts to 30 N·m (22 lb ft). |
Tighten
• | Tighten the cylinders 3, 4, 5 and 6 exhaust valve rocker arm bolts to 30 N·m (22 lb ft). |
• | Tighten the cylinders 2, 6, 7 and 8 intake valve rocker arm bolts to 30 N·m (22 lb ft). |
• | For the left valve rocker arm cover, refer to Valve Rocker Arm Cover Replacement - Left Side . |
• | For the right valve rocker arm cover, refer to Valve Rocker Arm Cover Replacement - Right Side . |