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Home >> Subaru >> 2012 >> Impreza WRX STi Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (WRX-STI) >> Throttle Body >> Removal

Throttle Body: Removal

  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G07704327Courtesy of SUBARU OF AMERICA, INC.
  2. Lift up the vehicle.
  3. Remove the under cover. < Refer to REMOVAL , Front Under Cover. >
  4. Drain approximately 3.0 fi (3.2 US qt, 2.6 Imp qt) of coolant. < Refer to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
  5. Remove the intercooler. < Refer to REMOVAL , Intercooler. >
  6. Disconnect the connector (A) from the throttle position sensor, and the connector (B) from the manifold pressure sensor.
    Fig 2: Identifying Throttle Position Sensor Connector And Manifold Pressure Sensor Connector
    G07704328Courtesy of SUBARU OF AMERICA, INC.
  7. Disconnect the engine coolant hose from throttle body.
    Fig 3: Locating Engine Coolant Hose
    G07704329Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the throttle body from the intake manifold.
    Fig 4: Locating Intake Manifold Bolts
    G07704330Courtesy of SUBARU OF AMERICA, INC.