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.
Air Conditioning (A/C) Compressor Leak Detection
For information on Ford Color Coded Illustrations, refer to OEM COLOR CODING
Special Tool(s) / General Equipment
| Air Conditioning Service Unit |
|---|
| Electronic Leak Detector |
| Air Conditioning Adaptor Kit |
Leak detection
- Recover the refrigerant. Refer to Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Disconnect the refrigerant lines from the A/C compressor. Refer to the appropriate procedure in this information.
- Install the adapters from the A/C Flush Adapter Kit on the ports of the A/C compressor, using the existing retaining bolts.
- 219-00082 ACF-3000 33PC Adapter Kit - Revised 1st released 44pc kit
- 219-00083 A/C Flushing Adapter Kit 2 of 3 (Previously "Supplement A", 2nd released kit)
- 219-00084 A/C Flushing Adapter Kit 3 of 3. Use the General Equipment: Air Conditioning Adaptor Kit
- Connect the high and low pressure lines of the air conditioning service unit to the corresponding fittings on the adapter.
- 265?37887 Ritchie R134A A/C Refrigerant Hybrid Management System. Use the General Equipment: Air Conditioning Service Unit
- Charge the A/C compressor following the air conditioning service unit instructions. Open the low pressure valve, the high pressure valve and set the refrigerant charge amount to 0.23 kg (8 oz).
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NOTE: Use a Rotunda-approved Electronic Leak Detector for R-134a refrigerant SAE Certified to J2791.
Using the Refrigerant Leak Detector, check for leaks at the compressor shaft.
- 023?22791 Robinair Infrared A/C Refrigerant Leak Detector w/Case. Use the General Equipment: Electronic Leak Detector
- When the leak test is complete, recover the refrigerant from the compressor.
- If an external leak is found, install a new A/C compressor.
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.