Carry out a visual inspection of the drained refrigerant oil in the A/C service station oil reservoir
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NOTE:
TECHNICAL INFORMATION
Run the following test only in the event that no refrigerant oil emerges from the faulty air conditioning compressor.
Run the following test only in the event that no refrigerant oil emerges from the faulty air conditioning compressor.
NOTE:
TECHNICAL INFORMATION
Refrigerant oil in an intact refrigerant circuit can change color over time. Dark/brown coloring of the refrigerant oil does not automatically indicate an impermissible contamination of the refrigerant circuit.
Refrigerant oil in an intact refrigerant circuit can change color over time. Dark/brown coloring of the refrigerant oil does not automatically indicate an impermissible contamination of the refrigerant circuit.
Check
- Visual inspection of the drained refrigerant oil in the A/C service station oil reservoir:
Result
» Dark/brown coloration of the refrigerant oil
Measure
- Do not flush the refrigerant circuit.
Result
» Black coloration of the refrigerant oil
Measure
- Flush the refrigerant circuit.
- If refrigerant circuit does not need to be flushed:
- Install a new air conditioning compressor.
- Evacuate and fill air conditioning.
- Delete the fault memory.
- If refrigerant circuit does need to be flushed:
- Perform the following operations.