Audi 80/Avant (B4) |
Audi 80/Avant The description - Engines Basic elements Greasing system Ventilation картера Visual check of the engine Обкатка the new engine Engine service life Nominal and maximum frequency of rotation Restriction of frequency of rotation Measurement of pressure of compression The list of malfunctions Проворачивание the engine Hydraulic pushers Works on gear belt ГРМ The list of malfunctions Removal and installation of a head of the block of cylinders Removal and engine installation System of release of the fulfilled gases Cooling system Fuel tank and the fuel pump The air filter and intake channels Injection system Coupling Transmission and transmission Suspension bracket and steering Brake system Antiblocking system of brakes Wheels and tyres body electrosystem Ignition system Illumination Signalling devices Devices and auxiliary devices Heating and ventilation Body elements Search of malfunctions Specifications |
The list of malfunctions Too low pressure of compression In regular intervals low pressure of compression not necessarily is a disturbing sign; the reason can be and measuring admissions of various control devices. However it is necessary to reflect, if between separate indicators of cylinders differences more than 2-3 bar are measured. It can mean:
Search of malfunctions More precisely to define malfunction at low pressure of compression (a low compression), it is necessary to apply the following cunning: to drip in an aperture for a spark plug it is a little oil from a butterdish and once again to measure pressure.
The test of system for tightness More exact results can be received after system check on tightness which some workshops can spend. For this purpose compressed air direct to the combustion chamber through apertures of spark plugs.
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