Rocker Arm Assembly: Service and Repair

REMOVAL PROCEDURE

^ Tools Required
- J36660 Torque Angle Meter

1. Remove the left rocker arm cover.
2. Remove the right rocker arm cover.
3. Remove the rocker arm pedestal and retaining bolts.





4. Remove the pedestal and rocker arm assembly.

IMPORTANT: Place the assemblies on a clean surface. Store the component in order so they can be reassembled in the same location and with the same mating surfaces as when removed.

5. In order to complete installation, observe the following assembly tips:
^ Clean the rocker arms and pedestal bolts in a suitable solution and inspect for wear.
^ Clean the rocker arm pedestal bolts of all thread adhesive.
^ Apply thread lock compound or equivalent to the bolt threads before assembly.

INSTALLATION PROCEDURE





1. Install the pedestal and rocker arm assembly.
2. Install the rocker arm pedestal retaining bolts.

NOTICE: This bolt is designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or the components may be damaged.

^ Tighten the bolts to 15 Nm (11 ft. lbs.). Use the J36660 in order to rotate the bolts an additional 90 degrees.

NOTICE: Refer to Fastener Notice in Service Precautions.

3. Install the right side rocker arm cover.
4. Install the left side rocker arm cover.
^ Tighten the bolts to 10 Nm (89 inch lbs.).

5. Inspect for proper completion of the repairs.
6. Listen for valve train noise.