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.
2023 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Transmission Case
| (1) | Snap ring |
| (2) | Roller bearing |
| (3) | Seal ring |
| (4) | Spacer |
| (5) | Oil seal |
| (6) | Gasket |
| (7) | Filler plug (for overhaul) |
| (8) | Plug |
| (9) | O-ring |
| (10) | Plug |
| (11) | O-ring |
| (12) | Test plug (line pressure) |
| (13) | O-ring |
| (14) | Straight pin |
| (16) | Pitching stopper plate |
| (15) | Ground cord |
| (17) | Seal ring |
| (18) | Ball bearing |
| (19) | Transmission case |
| (20) | O-ring |
| (21) | Plug |
| (22) | Gasket |
| (23) | Union bolt |
| (24) | Union bolt |
| (25) | CVTF cooler outlet pipe |
| (26) | CVTF cooler inlet pipe (model without CVTF cooler (air cool)) |
| (27) | CVTF cooler inlet pipe (model with CVTF cooler (air cool)) |
| (28) | Plug |
| (29) | O-ring |
| (30) | Roller bearing |
| (31) | Snap ring |
| (32) | Lubrication pipe |
| (33) | O-ring |
Tightening torque: N.m (kgf-m, ft-lb)
T1: 7 (0.7, 5.2)
T2: 13 (1.3, 9.6)
T3: 16 (1.6, 11.8)
T4: 18 (1.8, 13.3)
T5: 25 (2.5, 18.4)
T6: 32.3 (3.3, 23.8)
T7: 35 (3.6, 25.8)
T8: 40 (4.1, 29.5)
T9: 50 (5.1, 36.9)
Factory Service Tools
Use the Manual With the Right Hardware
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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.