2012 Subaru Outback F4-2.5L SOHCFACTORY OEM SERVICE PROCEDURE

Compression Check

Compression (fully open throttle)

Standard 1,020 - 1,275 kPa (10.4 - 13.0 kgf/cm2, 148 - 185 psi)
Difference between cylinders 49 kPa (0.5 kgf/cm2, 7 psi) or less
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.