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 MANUALSCHEVROLET2001MONTE CARLO V6-3.4L VIN EREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT PRESSURE SENSOR / SWITCHSERVICE AND REPAIR
2001 Chevrolet Monte Carlo V6-3.4L VIN E
Refrigerant Pressure Sensor / Switch: Service and Repair
2001 Chevrolet Monte Carlo V6-3.4L VIN ESECTION Service and Repair
A/C REFRIGERANT PRESSURE SENSOR REPLACEMENT
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE

1. Remove the air cleaner assembly.
2. Disconnect the electrical connector from the A/C refrigerant pressure sensor.

3. Remove the A/C refrigerant pressure sensor from the condenser tube.
INSTALLATION PROCEDURE
IMPORTANT: Lubricate a new O-ring seal with mineral base 525 viscosity refrigerant oil.

1. Install the new O-ring seal.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the A/C refrigerant pressure sensor to the condenser tube.
Tighten
Tighten the A/C refrigerant pressure sensor to 4.7 N.m (41 lb in).

3. Connect the electrical connector to the A/C refrigerant pressure sensor.
4. Install the air cleaner assembly.
5. Leak test the fittings of the component using J 39400-A.
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Remove the air cleaner assembly.
2. Disconnect the electrical connector from the A/C refrigerant pressure sensor.
3. Remove the A/C refrigerant pressure sensor from the condenser tube.
INSTALLATION PROCEDURE
IMPORTANT: Lubricate a new O-ring seal with mineral base 525 viscosity refrigerant oil.
1. Install the new O-ring seal.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the A/C refrigerant pressure sensor to the condenser tube.
Tighten
Tighten the A/C refrigerant pressure sensor to 4.7 N.m (41 lb in).
3. Connect the electrical connector to the A/C refrigerant pressure sensor.
4. Install the air cleaner assembly.
5. Leak test the fittings of the component using J 39400-A.
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.