Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation

In system of cooling it is most easier to define defective places at the hot motor and, respectively, working pressure in cooling system. But in this case for check of hoses gloves are surely necessary, differently it is possible to burn.

Whether
• pass hoses at a radiator and the engine, including hoses to heating system?
• Cracks in hoses? Kneading, define, as far as hoses are firm – in the latter case it is necessary to replace them immediately.
• At a razminaniye of tubes it is possible to define and the damages formed as a result having bitten rodents.
• As far as the ends of hoses come on the corresponding branch pipes?
Whether
• coupling bolts of collars are tightened?
• The rusted collars can unexpectedly burst during a trip and at total working pressure in cooling system. To replace!
• The workshop supervises tightness of system of cooling by the special air pump with a manual drive and a manometer.
• This device is established on an opening of a compensatory tank and pressure 1 bar is pumped up.
• If within 1 — 2 minute pressure does not go down, the system of cooling is considered tight.