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Home >> Saturn >> 2003 >> LW200 >> Repair and Diagnosis >> External Pages >> Different car >> Section 161 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Intake Plenum Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Saturn LW300 and 2003 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Intake Hose Assembly
    GM894285Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable.
  2. Remove the air cleaner hose assembly from the throttle body.
    3. Fig 2: Connecting Throttle Body Electrical Connector
    GM894680Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the throttle body electrical connection.
    4. Fig 3: Connecting Intake Plenum Switch-Over Valve Vacuum Hose At Switch-Over Valve
    GM896429Courtesy of GENERAL MOTORS CORP.
  4. Remove the electrical connection and vacuum hoses from the intake plenum switch over the valve solenoid.
  5. Remove the vacuum hose from the fuel pressure regulator.
    6. Fig 4: Removing & Installing Front Intake Manifold Runner
    GM896433Courtesy of GENERAL MOTORS CORP.
  6. Remove the front intake plenum hose clamps, pipe bolts, and plenum bolts.
  7. Lift the plenum and remove the throttle body heater hoses.
    8. NOTE: Mask off the ports to the intake manifold spacer. Failure to mask off the ports may allow foreign objects to enter the engine resulting in severe damage to the engine.
  8. Remove the intake plenum.
    9. IMPORTANT: It is not necessary to remove the rear intake runner.
  9. Remove the front intake runner.
    10. Fig 5: Removing & Installing Throttle Body
    GM894807Courtesy of GENERAL MOTORS CORP.
  10. Remove the throttle body nut and throttle body assembly.
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