The purpose of New Product Information is to highlight important technical changes from the previous model year.
Changes may include one or more of the following items:
| • | Torque values and/or fastener tightening strategies |
| • | Changed engine specifications |
| • | New sealants and/or adhesives |
| • | Disassembly and assembly procedure revisions |
| • | Engine mechanical diagnostic procedure revisions |
| • | New special tools required |
| • | A component comparison from the previous year |
Torque Values and/or Fastener Tightening Strategies
No torque or fastener tightening changes from the previous year. Refer to Fastener Tightening Specifications .
Changed Engine Specifications
No changed engine specifications. Refer to Engine Mechanical Specifications .
New Sealants and/or Adhesives
No sealant or adhesive changes from the previous year. Refer to Sealers, Adhesives, and Lubricants .
Disassembly and Assembly Procedure Revisions
No disassembly or assembly revisions.
Engine Mechanical Diagnostic Procedure Revisions
All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform approach for repairing all systems. The diagnostic flow may always be used in order to resolve a system problem. The diagnostic flow is the place to start when repairs are necessary. For a detailed explanation, refer to Strategy Based Diagnosis in General Information or Diagnostic Starting Point - Engine Mechanical in Engine Mechanical.
New Special Tools Required
| • | A variety of new tools have been developed to assist in engine disassembly, assembly and on-vehicle service. Refer to Special Tools . |
| • | J 43690 and J 43690-100 have been developed to measure connecting rod bearing clearance. Refer to Crankshaft and Bearing Cleaning and Inspection . |
| • | A cylinder leakdown test using J 35667-A has been developed. Refer to Cylinder Leakage Test . |
| • | Engine Preluber J 45299 has been developed to prelube new or remanufactured engines/bearings prior to engine installation. Refer to Engine Prelubing . |
A Component Comparison from the Previous Year
No major component revisions.
