The purpose of New Product Information is to highlight or indicate 
 important product changes from the previous model year.
Changes may include one or more of the following items:
|     •  | A component comparison from the previous year | 
 
|     •  | 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 | 
 
Component Comparison
No new components for 2003.
Fastener Changes
No fastener changes for 2003.
Torque Values and/or Fastener Tightening Strategies
|     •  | Crankshaft Position Sensor Wiring Bracket Bolt was 40 N·m
 (30 lb ft) is now 27 N·m (20 lb ft). | 
 
|     •  | Spark Plug - New Cylinder Head was 27 N·m
 (20 lb ft) is now 20 N·m (15 lb ft). | 
 
|     •  | Lower Intake Manifold Bolt Strategy is now First Pass 7 N·m
 (62 lb in); Final Pass 13 N·m (115 lb in). | 
 
Changed Engine Specifications
A new Engine Mechanical Specifications chart has been implemented into
 the 2003 service manual.
New Sealants and/or Adhesives
No new sealants and/or adhesives for 2003.
Disassembly and Assembly Procedure Revisions
|     •  | Oil Level Indicator and Tube Removal and Installation procedure
 has been revised. | 
 
|     •  | Exhaust Manifold - Left/Right Removal and Installation procedure
 has been revised. | 
 
|     •  | Water Outlet Removal and Installation is now Water Outlet and
 Thermostat Removal and Installation. | 
 
|     •  | Valve Rocker Arm Cover Removal and Installation - Left/Right
 procedure has been revised. | 
 
|     •  | Camshaft and Bearings Cleaning and Inspection procedure has been
 revised. | 
 
|     •  | Intake Manifold Cleaning and Inspection - Lower procedure
 has been revised. | 
 
|     •  | Valve Rocker Arm and Push Rod Installation procedure has been
 revised. | 
 
|     •  | Engine Prelubing procedure has been added. | 
 
Engine Mechanical Diagnostic Procedure Revisions
|     •  | Coolant in Combustion Chamber Diagnostic Procedure has been added. | 
 
|     •  | Coolant in Engine Oil Diagnostic Procedure has been added. | 
 
New Special Tools Required
J 45299 Engine Preluber has been added.