Volkswagen Golf 1999 Service Manual page 3869

A/C refrigerant system
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CAUTION!
DO NOT flush R-134a refrigerant system
with R-11. R-11 is not compatible with
refrigerant R134a and PAG oil and will
cause total system contamination.
If the compressor is not replaced after
flushing the system, fill compressor with the
correct type and quantity of refrigerant oil
specified under A/C system capacities
Page 87-141 . Fill compressor with the total
system oil capacity.
If the compressor is replaced, do not add
additional oil as the total amount of oil
required is already in the compressor.
Dispose of contaminated refrigerant oil
following laws governing hazardous waste
disposal. Do not combine any refrigerant oil
with any other old oils such as engine oil or
transmission fluid.
Follow all applicable Warnings and Cautions
when working on the A/C system
87-69 .
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87-88
Page
13/2/2005