Note: Components that are to be used again must remain sorted or organized in order to return them to their original location.
- Clean the components with cleaning solvent.
Warning: Refer to Safety Glasses Warning in the Preface section.
- Dry the components with compressed air.
- Inspect the valve rocker arms for wear or scoring in the ball area.
- Inspect the valve rocker arm push rod sockets and valve stem tip mating surfaces.
- Inspect the valve rocker arm ball for wear or scoring.
These surfaces should be smooth with no scoring or exceptional wear.
- Inspect the push rods (1, 2) for worn or scored ends.
These surfaces should be smooth with no scoring or exceptional wear.
- Inspect the push rods for bends. Roll the push rods on a flat surface to determine if the push rod is bent. If it rolls smoothly, it is OK. If the push rod does not roll smoothly, replace the push rod.
- Inspect the push rod oil passages for restrictions.
| • | Clean out the push rod tube with compressed air. |
| • | Inspect by looking through the push rod tube for obstructions. A clear push rod will allow light through. |
| • | Replace push rod or rods that cannot be cleaned out. |
Note: A light contact mark on the rocker arm stud is normal. A noticeable groove in the rocker arm stud is excessive wear and the rocker arm stud should be replaced.
- Inspect the rocker arm studs for the following conditions:
| • | Excessive wear or damage (2) made from contact between the rocker arm and rocker arm stud |
- Valve rocker arm studs with excessive wear and/or damage must be replaced.
- Inspect the push rod guides for the following conditions:
| • | Wear between the push rod and the push rod guide (1) |
| • | Bent push rod guide (2) |
- Push rod guides with excessive wear and/or damage must be replaced.
