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.
A/C Refrigerant (Dual) Pressure Switch Inspection for H25 Engine Model
2004 Suzuki XL-7 EX, 4WDSECTION A/C Refrigerant (Dual) Pressure Switch Inspection for H25 Engine Model
- Check dual pressure switch (1) on liquid pipe (3) for continuity at normal temperature (approx. 25 °C, 77 °F) when A/C system has a proper charge of refrigerant and when A/C system (compressor) is under operation. In each these cases, switches should show proper continuity.
- Using a manifold gauge set, check switch for operation specified pressure as shown, refer to PERFORMANCE DIAGNOSIS OF A/C SYSTEM .
Dual pressure switch
- Switch ON: Above "C" and below "D"
- Switch OFF: Below "A" or above "B"
- "A": Approx. 200 kPa (2.0 kg/cm2 )
- "B": Approx. 3200 kPa (32 kg/cm2 )
- "C": Approx. 23 kPa (2.3 kg/cm2 )
- "D": Approx. 2800 kPa (28 kg/cm2 )
Tightening torque
- Dual pressure switch: 10 N.m (1.0 kg-m, 7.5 lb-ft)
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.