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
New fuel injectors for C, H, W, F, body.
Fastener Changes
No fastener changes from 2001.
Torque Values and/or Fastener Tightening Strategies
• | Oil filter adapter bolt torque for C, H, W, F, body 30 N·m
(22 lb ft). |
• | Water pump bolt torque change for C, H, W, F, body are large bolts
34 N·m (25 lb ft), small bolts 22 N·m
(16 lb ft) |
Changed Engine Specifications
• | Camshaft exhaust max lobe lift changed to 6.56 mm (0.258 in). |
• | Valve face angle changed to 46 degrees. |
• | Valve stem clearance changes: |
- | Intake - 0.031-0.071 mm (0.002-0.0028 in) |
- | Exhaust - 0.036-0.074 mm (0.0014-0.0029 in) |
New Sealants and/or Adhesives
No changes from 2001.
Disassembly and Assembly Procedure Revisions
• | Balance shaft installation |
• | Crankshaft and bearing installation |
• | Crankshaft rear oil seal and oil housing removal |
• | Timing chain and sprocket installation for L67 |
• | Valve guide reaming/valve and seat grinding |
Engine Mechanical Diagnostic Procedure Revisions
No engine mechanical diagnostic changes from 2001.
New Special Tools Required
No special tool changes from 2001.