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 MANUALSCHEVROLET2005TRAILBLAZER 4WD V8-5.3L VIN MREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT TEMPERATURE SENSORSERVICE AND REPAIR
2005 Chevrolet TrailBlazer 4WD V8-5.3L VIN M
Refrigerant Temperature Sensor: Service and Repair
2005 Chevrolet TrailBlazer 4WD V8-5.3L VIN MSECTION Service and Repair
AIR CONDITIONING (A/C) LOW PRESSURE SWITCH REPLACEMENT
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Disconnect the A/C low pressure switch electrical connector.
2. Remove the A/C low pressure switch (2) from the accumulator (1).
3. Remove and discard the O-ring seal from the A/C low pressure switch port on the accumulator.
INSTALLATION PROCEDURE
1. Install the new O-ring seal.
2. Install the A/C low pressure switch (2) to the accumulator (1).
Tighten the A/C low pressure switch to 4.8 N.m (42 lb in).
NOTE: Refer to Fastener Notice in Service Precautions.
3. Connect the A/C low pressure switch electrical connector.
4. Leak test the fittings of the components using the 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.