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 Ascent BaseFACTORY OEM SERVICE PROCEDURE
Transfer Reduction Driven Gear: Installation
- Install the transfer reduction driven gear.
- Select the transfer reduction driven gear shim. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transfer Reduction Driven Gear>ADJUSTMENT .
- Install the transfer clutch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transfer Clutch>INSTALLATION .
- Install the rear drive shaft. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Rear Drive Shaft>INSTALLATION .
- Mount the selected transfer reduction driven gear shim onto the ball bearing.
- Install the extension case. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Extension Case>INSTALLATION .
- Install the transmission body. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>Transmission Assembly>INSTALLATION .
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:
- • 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.