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 MANUALSCADILLAC1993DEVILLE BASE, 4D SEDANREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSA/C-HEATER SYSTEM - AUTOMATICOPERATIONTEMPERATURE SENSORSA/C LOW-SIDE TEMPERATURE SENSOR
1993 Cadillac DeVille Base, 4D Sedan
A/C Low-Side Temperature Sensor
1993 Cadillac DeVille Base, 4D SedanSECTION A/C Low-Side Temperature Sensor
Low-side sensor is located in low-pressure refrigerant line between orifice tube and evaporator. BCM monitors sensor to determine low-side pressure based on pressure/temperature relationship of R-12 refrigerant.
RENDER: 1.0x
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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.