2021 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Forward Clutch: Inspection

  • Check the forward clutch drum, internal gear, sun gear and forward clutch piston lip for wear or damage.
  • Inspect the drive plate facing for wear and damage.
  • Check the driven plate for discoloration (burnt color).
  • Check for worn snap ring, fatigue or damaged return spring or deformed spring retainer.
  • Make sure the clearance between the retaining plate of forward clutch and the planetary carrier is within the limit. If it exceeds the standard, replace the forward clutch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Forward Clutch>ASSEMBLYΒ .
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.