2022 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

CVT Transaxle System: General Description: Specification

Transmission Type Forward continuously variable speed change, 1-reverse
Gear ratio (including transfer reduction ratio) Forward 3.490 - 0.506
Reverse 3.394
Number of input clutch plates pcs. Drive plate 5
Driven plate 6
Number of forward clutch plates pcs. Drive plate 6
Driven plate 6
Number of reverse brake plates pcs. Drive plate 5
Driven plate 5
CVTF capacity L (US qt, Imp qt) Model with CVTF cooler (air cool) 11.79 - 12.29 (12.462 - 12.991, 10.376 - 10.816)
Model without CVTF cooler (air cool) 11.34 - 11.84 (11.986 - 12.515, 9.980 - 10.420)
Torque converter Type Symmetric, 3-element, single stage, 2-phase
Nominal mm (in) 246 (9.69)
Clutch Sprag type one-way
Stall torque ratio 2.04
Stall speed (at sea level) r/min D range 2, 000 - 2, 500
R range 2, 000 - 2, 500
Oil pump Type Internal gear
Driving method Chain drive
Number of teeth pcs. Inner rotor 8
Outer rotor 9
Transfer Type Multi-plate
Control method Electronic hydraulic type
Number of transfer clutch plates pcs. Drive plate 6
Driven plate 6
Gear ratio 1.081
Front differential Type of gear Hypoid gear
LSD type -
Gear ratio 4.111
Backlash between the differential bevel gear and differential bevel pinion mm (in) 0.13 - 0.18 (0.005 - 0.007)
Hypoid gear set backlash mm (in)
Differential gear oil capacity L (US qt, Imp qt) 1.15 - 1.25 (1.216 - 1.321, 1.012 - 1.100)

CVTF:Β 

Refer to "RECOMMENDED MATERIALS" for CVTF. Ref. to RECOMMENDED MATERIALS .

CAUTION: Always use specified CVTF. Using fluid other than specified CVTF will cause malfunction.

Differential gear oil:Β 

For the differential gear oil, refer to "RECOMMENDED MATERIALS". Ref. to RECOMMENDED MATERIALS .

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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