Volkswagen Polo Service & Repair Manual: Water Content
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Combustibility
Refrigerant is non-flammable. It actually has a fire resistant or fire extinguishing effect. Refrigerant decomposes when exposed to flames or red-hot surfaces. UV light (occurring for example during electric welding) also causes refrigerant decomposition. The resultant decomposition products are toxic and are not to be inhaled. However, irritation of the mucous membranes provides an adequate and timely warning.
Commercial Names and Designations
Refrigerant R134a is currently available under the following
trade names:
H-FKW 134a
SUVA 134a
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Charge Factor
A vessel must have space for vapor as well as liquid. As the
temperature rises, the liquid expands. The space filled with
vapor decreases. At a certain point, there w ...
Other materials:
Diagonal Washouts
Diagonal wear spots on tires
Diagonal wear spots run at an angle of approximately 45°
with respect to the plane of circumference.
They usually occur once, but may also occur several times
along the tire circumference.
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A/C Compressor with A/C clutch
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
Discharge Refrigerant Circuit with A/C Service Station
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
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