GM Service Manual Online
For 1990-2009 cars only

Intake Runner Replacement Front

Tools Required

J 43914 Universal Clamp Pliers

Removal Procedure


    Object Number: 894285  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the intake hose assembly.

  3. Object Number: 893560  Size: SH

    Important: Clamps are reusable if not damaged. Do not discard.

  4. Remove 4 rubber boot hose clamps using the J 43914 .

  5. Object Number: 896433  Size: SH
  6. Remove the intake runner mounting bolts.
  7. Disconnect the intake runner from the rubber boots and remove the intake runner.

Installation Procedure


    Object Number: 896433  Size: SH
  1. Install the intake runner onto the rubber boots.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the intake runner mounting bolts.
  4. Tighten
    Tighten the intake manifold runner bolts to 8 N·m (71 lb in).


    Object Number: 893559  Size: SH

    Important: Inspect the hose clamps for damage. Replace if damaged.

  5. Install the 4 rubber boot hose clamps using the J 43914 .

  6. Object Number: 894285  Size: SH
  7. Install the hose assembly.
  8. Connect the negative battery cable.
  9. Tighten
    Tighten the battery terminal bolts to 17 N·m (13 lb ft).

Intake Runner Replacement Rear

Tools Required

J 43914 Universal Clamp Pliers

Removal Procedure


    Object Number: 894285  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the intake hose assembly.

  3. Object Number: 894699  Size: SH
  4. Remove the ECM electrical connectors.
  5. Remove the ECM bolts and the ECM.

  6. Object Number: 893560  Size: SH

    Important: Clamps are reusable if not damaged. Do not discard.

  7. Remove the 4 rubber boot hose clamps using the J 43914 .

  8. Object Number: 894808  Size: SH
  9. Disconnect the threaded brake vacuum hose.

  10. Object Number: 896429  Size: SH
  11. Disconnect the intake plenum switch-over valve vacuum hose at the switch-over valve. Note the hose routing.

  12. Object Number: 896465  Size: SH
  13. Remove the intake runner mounting bolts.
  14. Disconnect the vent hose from the throttle body.
  15. Disconnect the intake runner from the rubber boots and remove the intake runner. Note the throttle body vent hose routing.

Installation Procedure


    Object Number: 896465  Size: SH
  1. Install the intake runner onto the rubber boots.
  2. Route the throttle body vent hose under the vacuum reservoir and connect to the throttle body.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the intake runner mounting bolts.
  5. Tighten
    Tighten the intake manifold runner bolts to 8 N·m (71 lb in).


    Object Number: 896429  Size: SH
  6. Route the intake plenum switch-over valve vacuum hose and connect to the switch-over valve.

  7. Object Number: 894808  Size: SH
  8. Connect the threaded brake vacuum line.
  9. Tighten
    Tighten the brake vacuum line to 20 N·m (15 lb ft).


    Object Number: 893559  Size: SH

    Important: Inspect the hose clamps for damage. Replace if damaged.

  10. Install the 4 rubber boot hose clamps using the J 43914 .

  11. Object Number: 894699  Size: SH
  12. Install the ECM and ECM bolts.
  13. Tighten
    Tighten the engine control module bolts to 8 N·m (71 lb in).

  14. Connect the ECM electrical connectors.

  15. Object Number: 894285  Size: SH
  16. Install the intake hose assembly.
  17. Connect the negative battery cable.
  18. Tighten
    Tighten the battery terminal bolts to 17 N·m (13 lb ft).