2021 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE

Transfer Clutch: Inspection

  1. Check that there is no deformation, cracks or other damages.
  2. Check the driven plate for discoloration (burnt color).
  3. Before measuring clearance "A" between snap ring and driven plate, place same thickness shims on both sides to prevent the plate from tilting.
  4. When clearance "A" exceeds the limit, replace the drive plate and driven plate as a set, and select the pressure plate within the specified value.

    Specification: 

    0.7 - 1.1 mm (0.028 - 0.043 in)

    Service limit: 

    1.3 mm (0.051 in)

    G08317916Courtesy of SUBARU OF AMERICA, INC.
  5. Check for tight corner braking phenomenon when the vehicle is moved forward with the steering fully turned. If tight corner braking occurs, perform the following procedures.
    1. Turn OFF the X mode switch. (Model with X mode switch)
    2. With the steering wheel held at fully turned position, drive the vehicle in "D range" and with vehicle speed at approx. 5 km/h (3 MPH) in both clockwise and counterclockwise directions for approx. ten times each, while repeating acceleration and braking intermittently.
    3. If the tight corner braking phenomenon still persists, drive the vehicle again in a circle for several laps.
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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.