Exhaust Valve Rocker Assembly

2007 Subaru Outback Limited, 4D Sedan, StandardSECTION Exhaust Valve Rocker Assembly
  1. Measure the inner diameter of valve rocker arm and outer diameter of valve rocker shaft, and confirm the difference (oil clearance) between the two values.

    Clearance between arm and shaft:Β 

    Standard: 0.020 - 0.054 mm (0.0008 - 0.0021 in)Β 

    Fig 1: Measuring Inner Diameter Of Valve Rocker Arm
    G04997679Courtesy of SUBARU OF AMERICA, INC.
RENDER: 1.0x

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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.