GM Service Manual Online
For 1990-2009 cars only

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
    • Fastener changes
    • 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

    • Revised the lifter guide
    • Revised the thermostat bypass pipe

Torque Values and/or Fastener Tightening Strategies

    • Torque value for the crankshaft balancer bolt has been changed to 70 N·m (52 lb ft) + an additional 80 degrees.
    • Torque value for the oil filter has changed to 30 N·m (22 lb ft).

Changed Engine Specifications

Engine mechanical specifications remain the same as the 2000 products.

New Sealants and/or Adhesives

No new sealants or adhesives have been added.

Disassembly and Assembly Procedure Revisions

Valve lifter removal and installation

Crankshaft balancer installation

Engine Mechanical Diagnostic Procedure Revisions

Engine Noise diagnostic information is now located in the platform books.

New Special Tools Required

No new special tools are required.