Special Tools
EN 22738-BValve Spring Tester
For equivalent regional tools, refer toSpecial Tools.
Inspection ProcedureClean the valve springs in solvent.Warning:Refer toSafety Glasses Warning.
Dry the valve springs with compressed air.Inspect the valve springs for broken coils or coilends.Measurement ProcedureMeasure the valve spring tension using theEN 22738-Btester. Refer toEngine Mechanical Specifications.If low valve spring load is found, replace the valve springs.DO NOT use shims to increase spring load. The use of shims cancause the valve spring to bottom out before the camshaft lobe is atpeak lift.
Parking Brake Adjustment Parking Brake
Special ToolsJ-21177-ADrum-to-Brake Shoe Clearance GaugeWarning:Refer toBrake Dust Warning.Apply and fully release the park brake.Verify that the park brake pedal releases completely.Turn ON the ignition. Verify the BRAKE indicator lamp isoff.If the BRAKE indicator lamp is on, ensure the park brakep ...