Volkswagen Passat 1995 Repair Manual page 39

A/C refrigerant system, notes
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.HA01.87.1
CAUTION!
Always replace O-rings, DO NOT reuse. Use
only the correct size and type of O-rings
specified for use with R-134a refrigerant.
Lubricate O-ring with refrigerant oil before
installing.
Use only the specified PAG oil from a sealed
container and ALWAYS reseal oil container
immediately after use. DO NOT use oil if it
has become contaminated with moisture or if
oil container has been left open.
Always reinstall cap(s) over A/C service
valve(s).
DO NOT flush refrigerant system with R-11.
Evacuate refrigerant system for a minimum
of 30 minutes.
After system recharge, manually rotate A/C
compressor approx. 10 turns before starting
engine. Start engine with A/C OFF. After idle
speed has stabilized, switch A/C ON and let
engine idle (compressor running) for a
minimum of two minutes before raising
engine speed.
DO NOT top-off a charged refrigerant system.
Instead, discharge, evacuate and recharge
system.
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