Rocker Arm Assembly: Service and Repair

Valve Rocker Arm and Push Rod Replacement

Removal Procedure

Note: Place the valve train components in a rack in order to ensure that the components are installed in the same location from which they were removed.




1. Remove the valve rocker arm cover(s). Refer to Valve Rocker Arm Cover Replacement - Left Side (Valve Rocker Arm Cover Replacement - Left Side) or Valve Rocker Arm Cover Replacement - Right Side (Valve Rocker Arm Cover Replacement - Right Side).
2. Loosen the valve rocker arm bolts.
3. Remove the rocker arms.
4. Remove the pushrods.

* The intake push rods measure 147.51 mm (5.81 in).
* The exhaust push rods measure 154.87 mm (6.1 in).

Installation Procedure




1. Coat the ends of the pushrods using prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers (Specifications).
2. Install the pushrods.

* The intake push rods measure 147.51 mm (5.81 in).
* The exhaust push rods measure 154.87 mm (6.1 in).

3. Ensure that the pushrods seat in the lifter bore.
4. Coat the rocker arm friction surfaces using prelube. Refer to Adhesives, Fluids, Lubricants, and Sealers (Specifications).

Note: Shims (88894006) may be required under the valve rocker arm pedestals if reconditioning has been performed on the cylinder head or its components.

5. Install the rocker arms.

Caution: Refer to Fastener Caution (Fastener Caution).

6. Install the rocker arm bolts.

Tighten the bolts to 34 Nm (25 lb ft).

7. Install the valve rocker arm cover(s). Refer to Valve Rocker Arm Cover Replacement - Left Side (Valve Rocker Arm Cover Replacement - Left Side) or Valve Rocker Arm Cover Replacement - Right Side (Valve Rocker Arm Cover Replacement - Right Side).