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 MANUALSCHEVROLET2000S10/T10 P/U 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT PRESSURE SENSOR / SWITCHSERVICE AND REPAIRA/C REFRIGERANT PRESSURE SENSOR REPLACEMENT
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN W
A/C Refrigerant Pressure Sensor Replacement
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN WSECTION A/C Refrigerant Pressure Sensor Replacement
A/C REFRIGERANT PRESSURE SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the A/C low pressure switch electrical connector.
2. Remove the A/C low pressure switch from the evaporator tube.
3. Remove and discard the O-ring seal from the A/C low pressure switch port on the evaporator tube.
INSTALLATION PROCEDURE
1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the refrigerant pressure sensor port on the evaporator tube.
2. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.
IMPORTANT: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the O-ring seal to enter the refrigerant system.
3. Slide the new O-ring seal onto the A/C low pressure switch port on the evaporator tube front until the unit is fully seated.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the A/C low pressure switch to the evaporator tube.
Tighten
Tighten the A/C low pressure switch to 4.8 N.m (42 lb in).
5. Connect the A/C low pressure switch electrical connector.
REMOVAL PROCEDURE
1. Disconnect the A/C low pressure switch electrical connector.
2. Remove the A/C low pressure switch from the evaporator tube.
3. Remove and discard the O-ring seal from the A/C low pressure switch port on the evaporator tube.
INSTALLATION PROCEDURE
1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the refrigerant pressure sensor port on the evaporator tube.
2. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.
IMPORTANT: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the O-ring seal to enter the refrigerant system.
3. Slide the new O-ring seal onto the A/C low pressure switch port on the evaporator tube front until the unit is fully seated.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the A/C low pressure switch to the evaporator tube.
Tighten
Tighten the A/C low pressure switch to 4.8 N.m (42 lb in).
5. Connect the A/C low pressure switch electrical connector.
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.