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 WRX STIFACTORY OEM SERVICE PROCEDURE
Power Steering System: Note
For procedure of each component in the power steering system, refer to the respective information.
- Steering wheel: Refer to POWER ASSISTED SYSTEM (POWER STEERING)>STEERING WHEEL .
- Universal joint assembly - steering: Refer to POWER ASSISTED SYSTEM (POWER STEERING)>UNIVERSAL JOINT .
- Steering column: Refer to POWER ASSISTED SYSTEM (POWER STEERING)>STEERING COLUMN .
- Steering gearbox (hydraulic type): Refer to POWER ASSISTED SYSTEM (POWER STEERING)>STEERING GEARBOX .
- Electric power steering gearbox (electric type): Refer to POWER ASSISTED SYSTEM (POWER STEERING)>ELECTRIC POWER STEERING GEARBOX .
- Pipe assembly (hydraulic type): Refer to POWER ASSISTED SYSTEM (POWER STEERING)>PIPE ASSEMBLY .
- Oil pump (hydraulic type): Refer to POWER ASSISTED SYSTEM (POWER STEERING)>OIL PUMP .
- Reservoir tank (hydraulic type): Refer to POWER ASSISTED SYSTEM (POWER STEERING)>RESERVOIR TANK .
- Power steering fluid (hydraulic type): Refer to POWER ASSISTED SYSTEM (POWER STEERING)>POWER STEERING FLUID .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.