LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> Throttle Body >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Body: Removal

  1. Remove the collector cover. Refer to INTAKE (INDUCTION) (W/O STI)>COLLECTOR COVER>REMOVAL .
  2. Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
  3. Lift up the vehicle.
  4. Remove the under cover. Refer to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>REMOVAL .
  5. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. Refer to COOLING(W/O STI)>ENGINE COOLANT>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  6. Remove the intercooler. Refer to INTAKE (INDUCTION) (W/O STI)>INTERCOOLER>REMOVAL .
  7. Remove the intake duct No. 3. Refer to INTAKE (INDUCTION) (W/O STI)>INTAKE DUCT>REMOVAL>INTAKE DUCT NO. 3 .
  8. Disconnect the connector (A) from the throttle position sensor, and disconnect the preheater hose (B) from the throttle body.
    G10266071Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the throttle body from the intake manifold.
    G10266072Courtesy of SUBARU OF AMERICA, INC.