2.19. Search and elimination of malfunctions

Sign
Probable cause
Elimination method
Low compression in engine cylinders Laying of a head of cylinders is punched Replace laying
Piston rings are worn-out or damaged Replace rings
The piston or the cylinder is worn-out Repair or replace the piston and / or the block of cylinders
The valve saddle is worn-out or damaged Repair or replace a saddle of the valve and / or the valve
Low pressure of oil Low level of engine oil Check the level of engine oil
The oil pressure sensor is faulty Replace the oil pressure sensor
The oil filter is polluted Replace an oil filter
Gear wheels of the oil pump or cover are worn-out Replace the oil pump or a cover
Liquid engine oil Replace engine oil
The safety valve is open Repair the safety valve
Gaps in bearings are increased Replace inserts of bearings
High pressure of oil The safety valve is closed Repair the safety valve
Vibration of the engine Engine support are not tightened (forward and back) Tighten the required engine support moment
The arm of fastening of the transmission is not tightened Tighten the required moment an arm of fastening of the transmission
The arm of a submotor frame is not tightened Tighten the required moment an arm of a submotor frame
The central support is not tightened Tighten the required moment the central support
The transmission support is damaged Replace a transmission support
The support of a submotor frame is damaged Replace a support of a submotor frame
The support shaft is damaged Replace a support shaft
Noise of valves Liquid engine oil Replace engine oil
The rod of the valve or the directing valve plug are worn-out or damaged Replace valves or the directing plugs of valves
Knocks in conrod or radical bearings of a bent shaft Insufficient supply of oil Check the level of engine oil
Liquid engine oil Replace engine oil
The gap in bearings is increased Replace inserts of bearings
The noise published by a gear belt Wrong tension of a gear belt Adjust a tension of a gear belt
Low level of cooling liquid Leak of cooling liquid: Are subjected to corrosion or hoses (a radiator hose, a heater hose, etc.) are burst Replace or tighten collars
The radiator cover valve is faulty Replace a radiator cover
The thermostat casing is damaged Replace laying or a casing
The radiator core is damaged Replace
The water pump or laying is faulty Replace laying or the water pump
Pollution of tubes of a radiator Foreign inclusions in cooling liquid Replace cooling liquid
High temperature of cooling liquid The thermostat is faulty Replace the thermostat
The radiator cover is faulty Replace a radiator cover
Canals or hoses of the cooling system are filled Replace or clear the hammered cooling system elements
The driving belt is not tense or torn Adjust a tension or replace a driving belt
The water pump is faulty Replace the water pump
The sensor of temperature of cooling liquid is faulty Replace the sensor of temperature of cooling liquid
The electric fan of a radiator is faulty Replace or repair the radiator fan
The radiator thermal sensor is faulty Replace the radiator thermal sensor
Insufficiently cooling liquid Add cooling liquid
Low temperature of cooling liquid The thermostat is faulty Replace the thermostat
The sensor of temperature of cooling liquid or its electrical wiring is faulty Replace the sensor of temperature of cooling liquid
The electric fan of a radiator does not work The sensor of temperature of cooling liquid, the electric motor of the fan, the radiator fan relay, electrical wiring or the fuse is faulty Replace or repair the damaged elements
Leak of the fulfilled gases Connections are weakened Delay connections
The pipe or the muffler is damaged Replace or repair a pipe or the muffler
Extraneous noises from system of production of the fulfilled gases The partition in the muffler is damaged Replace the muffler
The rubber support is damaged Replace a rubber support
The pipe or the muffler contact to a body Adjust the provision of system of production of the fulfilled gases