Mazda CX-7 2007 Workshop Manual page 1166

A/C Compressor Installation Note
Caution
• Due to the high moisture-absorption characteristics of the compressor oil, it may absorb moisture
if left over a long period of time thereby negatively affecting A/C operation. Drain the compressor
oil and refill within 10 min. of each other.
1. Rotate new A/C compressor shaft six to eight revolutions while collecting refrigerant oil in a clean measuring
device. Use this refrigerant oil to refill new A/C compressor. Do not allow refrigerant oil to become
contaminated.
2. Rotate old A/C compressor shaft six to eight revolutions while collecting refrigerant oil in a separate, clean
measuring device.
3. Compare those oil amounts. The amount of the oil drained from the new A/C compressor should be greater
than the old one.
4. Pour the same amount oil of drained from the old A/C compressor back into the new A/C compressor.
A/C compressor oil type
• ATMOS GU10
A/C compressor oil sealed volume (approx. quantity)
• 120 ml {120 cc, 4.06 fl oz}
End Of Sie
WM: REFRIGERANT LINES
07-11–14
BASIC SYSTEM
NEW A/C
COMPRESSOR
OLD A/C
COMPRESSOR
SAME AMOUNT
NEW A/C
COMPRESSOR
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