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.
2020 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 5.75 OZS. | 0.17 L | ND-OIL12 | S | |||
| Air Cond Refrigerant | 1.80 LBS. | 0.81 KG | HFO 1234yf | S | |||
| Automatic Transmission Fluid | w/Air Cooled CVTF | 12.70 QTS. | 12.01 L | SUBARU High Torque CVT Fluid LV | S | ||
| Automatic Transmission Fluid | w/o Air Cooled CVTF | 12.30 QTS. | 11.64 L | SUBARU High Torque CVT Fluid LV | S | ||
| Brake Fluid | N/A | N/A | FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid | S | |||
| Differential Gear Oil | Front | 1.30 QTS. | 1.23 L | API - GL-5, SAE 75W-90 gear oil | S | ||
| Differential Gear Oil | Rear | 0.80 QTS. | 0.75 L | API - GL-5, SAE 75W-90 gear oil | S | ||
| Engine Coolant | 11.70 QTS. | 11.07 L | SUBARU Super Coolant | S | |||
| Engine Oil | w/Filter | 4.80 QTS. | 4.54 L | ILSAC GF-5, API - SN or SM, 0W-20 Synthetic Oil | If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change. | S | |
| Engine Oil | w/o Filter | 4.50 QTS. | 4.25 L | ILSAC GF-5, API - SN or SM, 0W-20 Synthetic Oil | If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change. | S | |
| Fuel Tank | 19.30 GALS. | 73.05 L | S | ||||
| Windshield Washer Fluid | N/A | N/A | Windshield Washer Fluid | S | |||
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.
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