2002 Subaru Outback Base, 4D Wagon, AutomaticFACTORY OEM SERVICE PROCEDURE

Throttle Body: Removal

  1. Disconnect battery ground cable.
    Fig 1: Disconnecting Battery Ground Cable
    G02959580Courtesy of SUBARU OF AMERICA, INC.
  2. Remove air cleaner case.
    Fig 2: Removing Air Cleaner Case
    G02959581Courtesy of SUBARU OF AMERICA, INC.
  3. Disconnect accelerator cable (A).
  4. Disconnect cruise control cable (B). (With cruise control model)
    Fig 3: Disconnecting Accelerator Cable & Cruise Control Cable
    G02959582Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect connectors from idle air control solenoid valve, throttle position sensor.
  6. Disconnect air by-pass hose from air assist injector solenoid valve.
    Fig 4: Disconnecting Air By-Pass Hose From Air Assist Injector Solenoid Valve
    G02959583Courtesy of SUBARU OF AMERICA, INC.
    1. Throttle position sensor
    2. Idle air control solenoid valve
    3. Air by-pass hose from air assist injector solenoid valve
  7. Disconnect engine coolant hoses from throttle body.
    Fig 5: Disconnecting Engine Coolant Hoses From Throttle Body
    G02959584Courtesy of SUBARU OF AMERICA, INC.
  8. Remove bolts which install throttle body to intake manifold.
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.