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...Technical Information Are BHS compressors filled with oil on delivery? No matter the delivery state of the compressors, the oil filling level and viscosity must be checked for every compressor before installation in the vehicle, and corrected according to the manufacturer's specifi...

...Technical Information Radiator filler cap Task Scarcely noticed but important: the radiator cap. I n addition to the task of sealing the filling opening in the radiator or surge tank gas-proof, it also has to ensure that not too much excess pressure and no partial vacuum forms in...

...Technical Information Coolant: Radiator antifreeze Coolant: Radiator antifreeze Coolant: Radiator antifreeze Coolant: Radiator antifreeze Frost and corrosion protection Frost and corrosion protection Frost and corrosion protection Frost and corrosion protection General poi...

...Technical Information Cooling system testing and diagnosis Cooling system testing and diagnosis Cooling system testing and diagnosis Cooling system testing and diagnosis General points If there are problems in the cooling system, e.g. h eating does not get warm, engine does...

...Technical Information Replacing the intercooler after a turbocharger fault General points Almost every modern diesel engine with turbocharger has an intercooler. The hot air (up to 150 °C) compressed by the turbocharger is cooled down by the intercooler (Fig . 1) before it reache...

...Technical Information Indirect charge air cooling circuit General The efficiency of the engine can be further increased by increasing the air density by means of a separate charge air cooling circuit that is independent from the engine cooling circuit. The components of the indirect...

...Causes of noise Hints for fault diagnosis of noises and compressor exchange The following notes should be observed for fault diagnosis (noise sources) and before every compressor exchange: • Check all the retaining bails and mounting points for cracks, missing bolts or nuts. Any vibra...

...Technical Information PAO-Oil 68 / PAO-Oil 68 Plus UV Universal compressor oil PAO-Oil 68 is an air conditioning compressor oil for universal use, available exclusively from Behr Hella Service . In the past, garages have had to stock up with different oils for servicing air conditi...

...Technical Information Instructions on handling permanently driven compressors A functional description of permanently driven compressors can be found in the Technical Information (TI) "Compressors without magnetic clutch". This TI intends to provide basic information on handling t...

...Technical Information PTC booster heater General points On account of the high efficiency of modern, direct injection engines (e.g. TDI), dissipated heat is no longer sufficient for heating up the inside of the vehicle quickly on cold days. PTC booster heaters (Fig. 1), which are insta...



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