Mazda MX-5 Miata Sport 2007 Manual page 1412

A/C COMPRESSOR INSTALLATION NOTE
CAUTION:
1. Rotate new A/C compressor shaft six to eight revolutions while draining new refrigerant oil in a clean
measuring device. Use this refrigerant oil to refill new compressor. Do not allow refrigerant oil to become
contaminated.
2. Rotate old A/C compressor shaft six to eight revolutions while draining old 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
DH-PR
A/C compressor oil sealed volume (approx. quantity)
130 ml {130 cc, 4.39 fl oz}
2007 Mazda MX-5 Miata Sport
2007 HVAC Basic System - MX-5 Miata
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.