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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Injection System (STI) >> Throttle Body >> Removal
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Throttle Body: Removal

  1. Disconnect the ground cable from battery.
  2. Lift up the vehicle.
  3. Remove the under cover. Ref. to EXTERIOR/INTERIOR TRIM>Front Under Cover>REMOVAL .
  4. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. Ref. to COOLING (STI)>Engine Coolant>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  5. Remove the intercooler. Ref. to INTAKE (INDUCTION) (STI)>Intercooler>REMOVAL .
  6. Disconnect the connector (A) from the throttle position sensor, and the connector (B) from the manifold pressure sensor.
    G08538625
  7. Disconnect the engine coolant hose from throttle body.
    G08538626
  8. Remove the throttle body from the intake manifold.
    G08538627
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