V40 L4-1.9L Turbo VIN 29 B4204T3 (2002)
and Air Conditioning/Service Precautions/Technician Safety Information/Safety Instructions When Handling Refrigerant.
Read the instruction about slow and fast leakage
General
Note! Always change O-rings when replacing pipes.
Note! Hold pipes in place with your hand when removing and tightening to avoid damage to couplings and pipes.
Drain the refrigerant from the system, see Draining See: Heating and Air Conditioning/Service and Repair/Draining
Pipes and hoses, overview