Probable cause
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Elimination method
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Knocks of a cranked shaft and bearing
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Wear of radical bearings
The bearing is jammed
The cranked shaft is bent
Excessive axial gap of a cranked shaft
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Replace
Replace
Replace
Replace the persistent bearing
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Piston and rod knocks
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Wear of bearings
The bearing is jammed
The piston finger is worn-out
Wear of the piston in the cylinder
The piston ring is broken
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Replace
Replace
Replace the piston, a piston finger or a rod
Restore cylinders
Replace
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Noisy operation of valves
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Jacks of gaps of valves are faulty
Liquid engine oil
The rod of the valve or the directing plug of the valve are worn-out or damaged
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Replace jacks of gaps of valves
Replace engine oil
Replace the valve or directing plugs of valves
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Excessive wear of cylinders and pistons
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Low level of engine oil
Engine oil is polluted
Poor quality of engine oil
In an inadequate way the piston and a rod are assembled
The increased gap in the lock of a piston ring
The air filter is polluted
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Check level of engine oil
Check an oil condition
Replace engine oil
Repair or replace
Replace
Clear or replace the air filter
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Knocks in shatunny or radical bearings of a cranked shaft
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Insufficient supply of oil
Liquid engine oil
The increased gap in bearings
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Check level of engine oil
Replace engine oil
Replace loose leaves of bearings
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Damage of radical bearings of a cranked shaft
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Low pressure of oil
Poor quality of engine oil
Wear or ovality of necks of a cranked shaft
Channels of supply of oil in cranked to a shaft are polluted
Wear of bearings
Bearings are incorrectly established
Violation of concentricity of a cranked shaft or bearings
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Check level of engine oil
Replace engine oil
Check and repair a cranked shaft
Clear channels
Replace bearings and check greasing system
Repair or replace bearings
Replace
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The noise published by a gear belt
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Wrong tension of a gear belt
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Adjust a tension of a gear belt
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Low compression in engine cylinders
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Laying of a head of the block of cylinders is punched
Piston rings are worn-out or damaged
The piston or the cylinder is worn-out
The valve saddle is worn-out or damaged
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Replace laying
Replace rings
Repair or replace the piston and / or the block of cylinders
Repair or replace a saddle of the valve and / or the valve
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Low pressure of oil
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Low level of engine oil
The sensor of pressure of oil is faulty
The oil filter is polluted
Gear wheels of the oil pump or a cover are worn-out
Liquid engine oil
The safety valve is open
Gaps in bearings are increased
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Check level of engine oil
Replace the sensor of pressure of oil
Replace the oil filter
Replace the oil pump or a cover
Replace engine oil
Repair a safety valve
Replace loose leaves of bearings
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High pressure of oil
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The safety valve is closed
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Repair a safety valve
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Engine vibration
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Engine support (forward and back) are not tightened
The arm of fastening of a transmission is not tightened
The arm of a podmotorny frame is not tightened
The central support is not tightened
The transmission support is damaged
The support of a podmotorny frame is damaged
The support shaft is damaged
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Tighten the demanded moment of a support of the engine
Tighten the demanded moment an arm of fastening of a transmission
Tighten the demanded moment an arm of a podmotorny frame
Tighten the demanded moment the central support
Replace a transmission support
Replace a support of a podmotorny frame
Replace a support shaft
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Low level of cooling liquid
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Leakage of cooling liquid
Damage of the core of a radiator
Subjected to corrosion or the burst hoses (a radiator hose, a heater hose etc.)
The valve of a cover of a radiator or spring installation is faulty
The thermostat is faulty
The water pump is faulty
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Replace
Replace
Replace
Replace
Replace
Replace
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Pollution of tubes of a radiator
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Extraneous inclusions in cooling liquid
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Replace cooling liquid
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High temperature of cooling liquid
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The thermostat is faulty
The radiator cover is faulty
Channels or hoses of system of cooling are hammered
The driving belt is not tense or torn
The water pump is faulty
The sensor of temperature of cooling liquid or its electroconducting is faulty
The electric fan of a radiator or its electroconducting is faulty
The temperature-sensitive element of the fan of a radiator or its electroconducting is faulty
Insufficiently cooling liquid
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Replace the thermostat
Replace a radiator cover
Replace or clear the hammered elements of system of cooling
Adjust a tension or replace a driving belt
Replace the water pump
Replace the sensor of temperature of cooling liquid
Replace or repair the radiator fan
Replace a temperature-sensitive element of the fan of a radiator
Add cooling liquid
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Low temperature of cooling liquid
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The thermostat is faulty
The sensor of temperature of cooling liquid or its electroconducting is faulty
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Replace the thermostat
Replace the sensor of temperature of cooling liquid
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Leaks from cooling system
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Connections are weakened
Hoses, pipes or oil radiator are damaged
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Tighten connections
Replace or repair hoses, pipes or an oil radiator
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The electric fan of a radiator does not work
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Elements are damaged
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Replace or repair the damaged elements
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Leakages of the fulfilled gases
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Connections are weakened
The pipe or the exhaust silencer is damaged
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Tighten connections
Replace or repair a pipe or the exhaust silencer
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Extraneous noise from system of production of the fulfilled gases
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The partition in the exhaust silencer is damaged
The rubber suspension bracket is damaged
The pipe or the exhaust silencer contact to a body
The pipe or the exhaust silencer is damaged
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Replace the exhaust silencer
Replace a rubber suspension bracket
Adjust position of system of production of the fulfilled gases
Replace or repair a pipe or the exhaust silencer
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