Refrigerant Pressure Sensor / Switch: Service and Repair

2013 Chevrolet Corvette V8-7.0LSECTION Service and Repair



Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement

Special Tools

J 39400-A - Halogen Leak Detector

Removal Procedure





1. Disconnect the A/C refrigerant pressure sensor electrical connector.

2. Remove the A/C refrigerant pressure sensor from the front evaporator line.

3. Remove and discard the O-ring seal from the A/C refrigerant sensor port.

Installation Procedure





1. Install a new O-ring seal onto the A/C refrigerant pressure sensor port. Refer to Air Conditioning O-Ring Seal Replacement Air Conditioning O-Ring Seal Replacement.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the A/C refrigerant pressure sensor to the front evaporator line and tighten to 5 Nm (44 lb in).

3. Connect the A/C refrigerant pressure sensor electrical connector.

4. Leak test the fittings of the component using J 39400-A - Halogen Leak Detector.

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.