Rocker Arm Assembly: Service and Repair

TOOL REQUIRED
^ J 36660 Torque Angle Meter





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

NOTE: 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.

4. Remove the pedestal and rocker arm assembly.
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
1. Install the pedestal and rocker arm assembly.

CAUTION: 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.

2. Install the rocker arm pedestal retaining bolts. Tighten the bolts to 15 Nm (11 ft. lbs.). Use the Torque Angle Meter in order to rotate the bolts an additional 90 degrees.
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.