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.