GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner duct and resonator. Refer to Air Cleaner Outlet Resonator Replacement in Engine Controls-2.4L.
  2. Disconnect the following electrical connectors:
  3. • Manifold Absolute Pressure (MAP) sensor
    • Intake Air Temperature (IAT) sensor
    • EVAP Canister Purge solenoid
    • Fuel injector harness
  4. Disconnect the vacuum hoses from the fuel regulator and the EVAP canister purge solenoid to the canister.
  5. Remove the accelerator control cable bracket.

  6. Object Number: 60047  Size: SH
  7. Remove the stud ended generator mount bolt.
  8. Remove brake booster vacuum line from throttle body.
  9. Remove wiring harness from retainer on bottom of intake.

  10. Object Number: 33607  Size: SH
  11. Remove the intake manifold retaining nuts and bolts.
  12. Remove the intake manifold and the gasket.

Installation Procedure

    Important: The engine and the manifold should be at ambient temperature when assembled. Do not attempt to install a cold manifold on a hot engine.


    Object Number: 33607  Size: SH
  1. Install the intake manifold and the gasket. If the gasket is damaged, install a new one with the stamped numbers facing towards the manifold surface.

  2. Object Number: 60043  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the intake manifold nut and bolts.
  4. Tighten
    Tighten the nuts and bolts in sequence (1,2,3,4,5,6 and 7) to 24 N·m (18 lb ft).

  5. Install wiring harness to retainer on bottom of intake.
  6. Install brake booster vacuum line to throttle body.

  7. Object Number: 60047  Size: SH
  8. Install the stud ended generator mount bolt.
  9. Install the accelerator control cable bracket.
  10. Connect the vacuum hoses to the fuel regulator and to the EVAP canister purge solenoid.
  11. Important: If the IAT sensor is removed, apply sealant GM P/N 1052080 (Canadian P/N 10953480) or equivalent to its threads before installation.

  12. Connect the following electrical connections:
  13. • MAP sensor
    • IAT sensor
    • EVAP canister purge solenoid
    • Fuel injector harness
  14. Install the air cleaner resonator and duct. Refer to Air Cleaner Outlet Resonator Replacement in Engine Controls-2.4L.