2022 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Control Valve Body: Inspection

  1. Check for oil leaks.
  2. Check that there is no deformation, cracks or other damages.
  3. Measure the resistance of each solenoid.
    NOTE: Measurement should be performed at 20Β°C (68Β°F).
    G13621970Courtesy of SUBARU OF AMERICA, INC.
    Solenoid Terminal No. Standard
    Line pressure solenoid No. 1 - Control valve body 3.3 - 7.3 Ξ©
    Lock-up duty solenoid No. 2 - Control valve body 10 - 14.2 Ξ©
    F&R solenoid No. 3 - Control valve body 3.5 - 7.1 Ξ©
    Secondary solenoid No. 4 - Control valve body 3.3 - 7.3 Ξ©
    Oil pump ON/OFF solenoid No. 5 - Control valve body 12.5 - 19.5 Ξ©
    Primary DOWN solenoid No. 6 - Control valve body 10 - 14.2 Ξ©
    Primary UP solenoid No. 7 - Control valve body 10 - 14.2 Ξ©
    AWD solenoid No. 8 - Control valve body 3.3 - 7.3 Ξ©
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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