Magentis and Optima repair since 2000 of release
1. Engines
1.1. Engines of 2,0 l of DOHC
1.2. Engines of V6 2,5 l
1.2.1. Specifications
1.2.2. Compression check
1.2.3. Adjustment of gaps of valves
1.2.4. Gear belt
1.2.5. Check and adjustment of a tension of poliklinovy belts
1.2.6. Tightening of bolts of fastening of a head of the block of cylinders
1.2.7. Head of the block of cylinders, valve and spring of valves
1.2.8. Engine support
1.2.9. Removal and engine and transmission installation
1.2.10. Camshafts
1.2.11. Hydraulic jacks of gaps of valves
1.2.12. Pistons and rods
1.2.13. Cranked shaft
1.2.14. Block of cylinders
1.2.15. Air filter of the V6 engine
1.2.16. Broad air chamber
1.2.17. Inlet collector
1.2.18. Final collector
1.2.19. Exhaust silencers
1.2.20. Search and elimination of malfunctions
2. Greasing system
3. Cooling system
4. Control and decrease in toxicity
5. Fuel system
6. Ignition system
7. Coupling
8. Transmission
9. Power shafts, axes
10. Suspension bracket
11. Steering
12. Brake system
13. Body
14. Central air
15. Electric equipment
16. Electric circuits
 










1-2-20-poisk-i-ustranenie-neispravnostejj.html

1.2.20. Search and elimination of malfunctions

Probable cause

Elimination method
Knocks of a cranked shaft and bearing
  1. Wear of radical bearings
  2. The bearing is jammed
  3. The cranked shaft is bent
  4. Excessive axial gap of a cranked shaft
  1. Replace
  2. Replace
  3. Replace
  4. Replace the persistent bearing

Piston and rod knocks

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

«on a step back
1.2.19. Exhaust silencers
on the following page»
2. Greasing system