2002 Subaru Outback Base, 4D SedanFACTORY OEM SERVICE PROCEDURE

Throttle Body: Removal

  1. Disconnect battery ground cable.
    Fig 1: Disconnecting Battery Ground Cable
    G03584121Courtesy of SUBARU OF AMERICA, INC.
  2. Remove air intake chamber. < Ref. to REMOVAL , Air Intake Chamber. >
  3. Disconnect accelerator cable (A).
  4. Disconnect cruise control cable (B). (With cruise control model)
    Fig 2: Disconnecting Accelerator Cable And Cruise Control Cable
    G03584122Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect connectors from intake manifold pressure sensor (A) and idle air control solenoid valve (B).
  6. Disconnect air by-pass hose (C) from idle air control solenoid valve.
    Fig 3: Disconnecting Connectors From Intake Manifold Pressure Sensor And Idle Air Control Solenoid Valve
    G03584123Courtesy of SUBARU OF AMERICA, INC.
  7. Disconnect throttle position sensor connector.
    Fig 4: Disconnecting Throttle Position Sensor Connector
    G03584124Courtesy of SUBARU OF AMERICA, INC.
  8. Disconnect engine coolant hoses from throttle body.
  9. Remove bolts which secure throttle body to intake manifold.
    Fig 5: Removing Bolts Securing Throttle Body To Intake Manifold
    G03584125Courtesy 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:

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

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