OEM 2002 Chevrolet Express 2500 Rocker Arm

2002 Chevrolet Express 2500 Rocker Arm Parts and Q&A

• Q: How to replace the valve rocker arm and push rods on 2002 Chevrolet Express 2500?

  A: Begin repairing the valve Rocker Arm and push rods by first reverting the valve Rocker Arm cover then note down and sort all parts for reconstruction purposes. The maintenance operation requires removal of valve rocker arms and their supports together with valve pushrods. Check and assess the valve Rocker Arm as well as the valve Pushrod after cleaning them thoroughly. Follow this procedure when installing parts by maintaining their order and returning them to their default positions. The first step for valve Pushrod installation requires positioning the valve Rocker Arm support arrow in an upward direction before adding the valve Rocker Arm supports. His all parts with prelude gm p/n 12345501 or equivalent before installing them onto the contact surfaces that include the valve Pushrod socket , roller pivot , and valve stem tip . Begin by starting each valve Rocker Arm assembly bolt at position and before proceeding to the other bolt locations. The technician should rotate the crankshaft balancer until the crankshaft balancer alignment mark faces 57 to 63 degrees relative to the engine front cover alignment tab either clockwise or counter-clockwise. Valve Rocker Arm assemblies need no further adjustment after installation and correct torquing because the adjustment is already accomplished. Establish the valve Rocker Arm bolts at 30 nm (22 ft. Lbs.) torque along with the procedure of installing the valve Rocker Arm cover.