GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Corvette 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 New Product Information

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:

    • 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
    • Certain fasteners should not be reused. Bolts, studs, or other fasteners that must be replaced will be called out in the specific service procedure. Refer to Thread Repair , Thread Repair Specifications , or Fastener Tightening Specifications .
    • A second design connecting rod bolt may be used. The proper fastener tightening valve MUST be used with the correct bolt.
        Refer to Piston, Connecting Rod, and Bearing Installation .

Changed Engine Specifications

No changes to component specifications, refer to Engine Mechanical Specifications .

New Sealants and/or Adhesives

No sealant or adhesive changes from the previous year. Refer to Sealers, Adhesives, and Lubricants .

Disassembly and Assembly Procedure Revisions
    • All oil pans will be cast aluminum upper and lower halves with a nylon carrier (with silicone bead) gasket.
    • Removal of the oil pan (lower) does not allow access to the crankshaft oil deflector, crankshaft, or other internal engine components.
    • The piston, pin, and connecting rod are to be serviced as an assembly.
    • Newer design pistons have a graphite coated piston skirt. The coated skirt outside diameter (OD) may be slightly larger than the cylinder bore inside diameter (ID) and the piston assembly may have a slight interference fit to the cylinder bore during initial installation.

Engine Mechanical Diagnostic Procedure Revisions

Base Engine Misfire, Valve Train, and other diagnostic information is now provided in table form. Potential or probable causes are supplied for each specific concern.

New Special Tools Required
    • The proper thread repair procedures for aluminum cylinder blocks and cylinder heads have been added. Refer to Thread Repair .
    • Oil pressure testing tool J 42907 has been developed to aid in oil pressure testing. Refer to Special Tools .

A Component Comparison from the Previous Year
    • All oil pans will be a two piece design with a carrier type gasket. Refer to Engine Component Description .
    • The vapor vent pipe, located above the engine valley cover will now be referred to as the engine coolant air bleed pipe. Refer to Disassembled Views .