GM Service Manual Online
For 1990-2009 cars only

The purpose of New Product Information is to highlight or indicate important 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

There are no changes to the fastener tightening specifications for 2006.

Changed Engine Specifications

There are no changes to the engine specifications for 2006.

New Sealants and/or Adhesives

There are no changes to the sealants and/or adhesives used for model year 2006.

Disassembly and Assembly Procedure Revisions

There are no changes to the engine disassembly or assembly procedures for 2006.

Engine Mechanical Diagnostic Procedure Revisions

There are no revisions to the engine mechanical diagnostic procedures for 2006.

New Special Tools Required

    • The piston clip remover and installation tool J 43654 has been replaced by EN-46745 .
    • The oil pressure gage adapter J 36648-A has been replaced by J-21867-6 .

A Component Comparison from the Previous Year

    • The oil pump and primary timing chain lower guide has a first and second design.
      • The first design primary timing chain lower guide can not be replaced independently from the oil pump.
      • The second design primary timing chain lower guide is independently replaceable.
    • The oil level sensor has been eliminated from the oil pan.