2016 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Special Tool

ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
STSSM4 -
(Newly adopted tool)
SUBARU SELECT MONITOR 4 Used for setting of each function and troubleshooting for electrical system.
NOTE: For detailed operation procedures of Subaru Select Monitor 4, refer to "Application help".
Β  18356AA000 INJECTOR REMOVER Used for removing the injector.
Β  18460AA030 CHECK BOARD Used for inspecting the fuel system.
Β  18471AA000 FUEL PIPE ADAPTER Used for draining fuel.
Β  18683AA000 INJECTOR SEAL INSTALLER Used for installing the injector seal.
Fig 1: STSSM4
G10289719Courtesy 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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