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.
2004 Subaru Impreza RS, AutomaticFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | 5.20 OZS. | 0.15 L | PAG 100 | S | |||
| Air Cond Refrigerant | Automatic Trans | 0.95 LBS. | 0.43 KG | R-134a | S | ||
| Automatic Transmission Fluid | 10.00 QTS. | 9.46 L | Automatic Transmission Fluid DEXRON III | S | |||
| Brake Fluid | N/A | N/A | DOT 3 or DOT 4 Brake Fluid | S | |||
| Differential Gear Oil | Outback Sport,RS,TS,WRX | 0.80 QTS. | 0.75 L | GL-5, SAE 75W-90 or equivalent | S | ||
| Engine Coolant | 2.5L Eng,Normally Aspirated,Automatic Trans | 7.30 QTS. | 6.9 L | SUBARU Coolant or equivalent: a 50/50 mixture of Ethylene-Glycol Coolant and soft water | S | ||
| Engine Oil | 2.5L Eng | 4.20 QTS. | 3.97 L | API - SAE 5W-30 | S | ||
| Fuel Tank | 15.90 GALS. | 60.18 L | S | ||||
| Power Steering Fluid | 0.70 QTS. | 0.66 L | Automatic Transmission Fluid DEXRON III | 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.