2012 Subaru Forester X, Automatic TransFACTORY OEM SERVICE PROCEDURE

Throttle Body: Removal

  1. Remove the collector cover.
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G07670338Courtesy of SUBARU OF AMERICA, INC.
  3. Lift up the vehicle.
  4. Remove the under cover. < Ref. to REMOVAL , Front Under Cover. >
  5. Drain approximately 3.0 l  (3.2 US qt, 2.6 Imp qt) of coolant. < Ref. to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
  6. Remove the intercooler. < Ref. to REMOVAL , Intercooler. >
  7. Disconnect the connectors from the throttle position sensor.
    Fig 2: Locating Throttle Position Sensor Connectors
    G00522290Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the brake booster vacuum hose from the clip (A), and remove the bolts securing the air bypass pipe to the intake manifold.
    Fig 3: Locating Air By-Pass Pipe Bolts To Intake Manifold
    G00522811Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the bolts securing the PCV pipe assembly to the intake manifold, and remove the intake duct from the throttle body.
    Fig 4: Locating PCV Pipe Assembly Bolts And Intake Duct
    G00522812Courtesy of SUBARU OF AMERICA, INC.
  10. Disconnect the engine coolant hose from throttle body.
    Fig 5: Locating Engine Coolant Hose From Throttle Body
    G07670341Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the throttle body from the intake manifold.
    Fig 6: Locating Throttle Body From Intake Manifold Bolts
    G07670342Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.