Oil Pressure Valve
Inspect oil pressure valve. See 3.26 CAM COMPARTMENT AND COMPONENTS, Oil Pressure Relief Valve.
Cam Support Plate
1. Measure the diameters of the camshaft bores and crank-
shaft bore. See 3.3 SERVICE WEAR LIMITS, General.
2. Measure flatness of support plate. See 3.3 SERVICE WEAR LIMITS, General.
3. Inspect gerotor area for excessive wear or deep grooves.
4. Verify that all oil holes are clean and open.
NOTE
The oiling system is carefully designed for optimum efficiency. All oil holes and passageways are specially sized. Avoid enlarging oil holes during cleaning. Any modification of the oiling system will adversely affect oil pressure or cooling and lubrication efficiency.
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