Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE
Transfer Clutch: Disassembly
- Remove the snap ring (A), and then remove the pressure plate, drive plate and driven plate.
- Compress the return spring using the ST and a press to remove the snap ring (A) and the transfer clutch piston seal (B).
Preparation tool:Β
ST: COMPRESSOR SPECIAL TOOL (18762AA001)
- Remove the return spring.
- Remove the transfer clutch piston by blowing compressed air through transfer clutch hole.NOTE: Plug the holes through which the compressed air is not blown.
- Remove the ball bearing using ST1, ST2 and a press.
Preparation tool:Β
ST1: BEARING REMOVER (18767AA010)
ST2: REMOVER (18723AA000)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
