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 MANUALSCADILLAC1985CIMARRON V6-173 2.8LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT PRESSURE SENSOR / SWITCHSERVICE AND REPAIRDELCO AIR/HARRISON DA-V5 VARIABLE DISPLACEMENT COMPRESSOR
1985 Cadillac Cimarron V6-173 2.8L
Delco Air/Harrison DA-V5 Variable Displacement Compressor
1985 Cadillac Cimarron V6-173 2.8LSECTION Delco Air/Harrison DA-V5 Variable Displacement Compressor
1. Discharge A/C system.
2. Remove retaining ring using suitable snap ring pliers, then the control valve or switch.
3. Remove and discard O-rings.
4. Coat replacement O-rings with clean refrigerant oil, then seat O-rings in proper grooves in housing.
5. Lubricate control valve or switch with clean refrigerant oil, then press into place.
6. Install retaining ring with high point of curved sides toward switch or valve housing, ensuring that ring is fully seated.
7. Evacuate and recharge system, then check for leaks.
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.