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.
Evaporative Emission System Cleaning Engine Control
Special Tools J 41413-200 Evaporative Emissions System TesterFor equivalent regional tools, refer toSpecial Tools.Inspection ProcedureCaution:Use the Evaporative Emission (EVAP) System Tester (EEST) GE41413-A in order to provide a clean, dry, low pressure nitrogen gassource. Do not substitute any ot ...