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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCHARGING SYSTEMSSTARTING SYSTEM & CHARGING SYSTEM (H4DO)GENERATORINSPECTIONBRUSH
2014 Subaru Outback 2.5i, Standard Trans

Starting System & Charging System (H4DO): Generator: Inspection: Brush

2014 Subaru Outback 2.5i, Standard TransSECTION Brush
  1. Measure the length of each brush. Replace the brush if wear exceeds service limits. There is a service limit mark (A) on each brush.

    Brush length: 

    Standard (1) 

    18.5 mm (0.728 in) 

    Limit (2) 

    5.0 mm (0.197 in) 

    Fig 1: Identifying Brush Length Dimension
    G07665200Courtesy of SUBARU OF AMERICA, INC.
  2. Check that there is appropriate pressure on the brush spring. Using a spring pressure indicator, push the brush into the brush holder until its tip protrudes 2 mm (0.0787 in). Then measure the pressure of brush spring. If the pressure is 1.7 N (173 gf, 6.11 ozf) or less, replace the brush spring. 4.1 - 5.3 N (418 - 540 gf, 14.75 - 19.06 ozf) pressure is required on the new spring.
    Fig 2: Measuring Pressure Of Brush Spring
    G07665201Courtesy 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:

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