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Intake Plenum Replacement (In-Vehicle): Removal

WARNING: This page is about a different car, the 2002 Saturn LW300 and 2002 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable.
  2. Remove air cleaner hose assembly from the throttle body.
    Fig 1: Removing Air Cleaner Lid
    G01037102Courtesy of GENERAL MOTORS CORP.
  3. Disconnect throttle body electrical connection.
    Fig 2: Disconnecting Throttle Body Electrical Connection
    G01037103Courtesy of GENERAL MOTORS CORP.
  4. Remove electrical connection and vacuum hoses from intake plenum switch over valve solenoid.
  5. Remove vacuum hose from fuel pressure regulator.
    Fig 3: Removing Vacuum Hoses
    G01037104Courtesy of GENERAL MOTORS CORP.
  6. Remove front intake plenum hose clamps, pipe bolts, and plenum bolts.
  7. Lift plenum and remove throttle body heater hoses.
    NOTE: Mask off the ports to the intake manifold. Severe damage may result if foreign objects enter the engine.
  8. Remove intake plenum.
    NOTE: It is not necessary to remove the rear intake runner.
  9. Remove front intake runner.
    Fig 4: Removing Front Intake Runner
    G01037105Courtesy of GENERAL MOTORS CORP.
  10. Remove throttle body nut and throttle body assembly.
    Fig 5: Removing Throttle Body
    G01037106Courtesy of GENERAL MOTORS CORP.
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