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.
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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLVEHICLE DYNAMICS CONTROL (VDC) SYSTEMVDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U)INSPECTIONCHECKING THE HYDRAULIC UNIT VDC OPERATION USING A PRESSURE GAUGE
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Checking The Hydraulic Unit VDC Operation Using A Pressure Gauge
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Checking The Hydraulic Unit VDC Operation Using A Pressure Gauge
- Perform the accumulator down drive. (Hybrid model) Ref. to BRAKE>BRAKE SYSTEM>OPERATION>ACCUMULATOR DOWN DRIVE .
- Lift up the vehicle, and then remove the wheel.
- Remove the bleeder - screws from the front LH and front RH caliper bodies.
- Connect two pressure gauges to front LH and front RH caliper bodies.CAUTION:
- Use a pressure gauge used exclusively for brake fluid measurement.
- Do not use a pressure gauge used for the measuring transmission oil pressure, as the piston seal may expand and deform.
RENDER: 1.0x
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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.