GM Service Manual Online
For 1990-2009 cars only

Upper to Lower Intake Manifold Disassemble Procedure


    Object Number: 1832126  Size: SH

    Important: Do not reuse the upper-to-lower intake manifold gasket and the intake manifold-to-cylinder head sealing gaskets.

  1. Remove the upper-to-lower intake manifold bolts.

  2. Object Number: 1832129  Size: SH
  3. Remove the upper intake manifold from the lower intake manifold.

  4. Object Number: 1832134  Size: SH
  5. Remove and discard the upper-to-lower intake manifold gaskets.

Upper Intake Manifold Disassemble Procedure


    Object Number: 1832138  Size: SH
  1. Remove the throttle body bolts.

  2. Object Number: 1832141  Size: SH
  3. Remove the throttle body.

  4. Object Number: 1832157  Size: SH
  5. Remove and discard the throttle body gasket.

  6. Object Number: 1832160  Size: SH
  7. Remove and discard the upper intake manifold expansion plugs, if required.

Lower Intake Manifold Disassemble Procedure


    Object Number: 1832164  Size: SH
  1. Disconnect the fuel injector wiring harness connectors and remove the fuel injector wiring harness.

  2. Object Number: 1832168  Size: SH
  3. Remove the fuel injector rail bolts.

  4. Object Number: 1832171  Size: SH
  5. Remove the fuel injector rail.

  6. Object Number: 1832176  Size: SH
  7. Remove the upper-to-lower intake manifold alignment pins.