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 MANUALSSUBARU2010IMPREZA 2.5I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM (HEATER, VENTILATOR AND A/C) - MECHANISM & FUNCTIONCOOLING SYSTEMPRESSURE SWITCHSPECIFICATIONS
2010 Subaru Impreza 2.5i, 4D Sedan, Automatic
Pressure Switch: Specifications
2010 Subaru Impreza 2.5i, 4D Sedan, AutomaticSECTION Specifications
HIGH/LOW PRESSURE SWITCH CHART (COMPRESSOR ON/OFF CONTROL)
| Low pressure switch | ON→OFF | 0.196 MPa (2.00 kgf/cm2 ) |
| OFF→ON | 0.255 MPa (2.60 kgf/cm2 ) | |
| High pressure switch | ON→OFF | 3.140 MPa (32.0 kgf/cm2 ) |
| OFF→ON | 2.550 MPa (26.0 kgf/cm2 ) |
MID PRESSURE SWITCH CHART (ELECTRIC COOLING FAN OUTPUT CONTROL)
| Compressor at low load | ON→OFF | 1.37 MPa (13.9 kgf/cm2 ) |
| Compressor at high load | OFF→ON | 1.77 MPa (18.0 kgf/cm2 ) |
RENDER: 1.0x
NO RELATED
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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.