GM Service Manual Online
For 1990-2009 cars

The purpose of New Product Information is to highlight or indicate important new features for the service community.

Changes may include one or more of the following items:

    • Torque values and/or fastener tightening strategies
    • Engine specifications
    • New sealants and/or adhesives
    • Disassembly and assembly procedure revisions
    • Engine mechanical diagnostic procedure revisions
    • Special tools required

New Sealants and/or Adhesives

    • U.S. and Canadian SPO part numbers
    • 3-Bond sealant P/N 12378521

Engine Features

    • Powder metal connecting rods with oil squirter hole
    • Full floating piston pins
    • Lost foam casted aluminum block and head
    • Aluminum camshaft cover
    • Electronic Throttle Control - ETC
    • Composite intake manifold
    • Bridge/bearing beam - stiffener ladder
    • Stainless steel fuel rail
    • Coil-on-plug ignition system
    • Inlet side thermostat
    • No EGR