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Hyundai Accent

Repair and car operation



Hyundai Accent
+ 1. Maintenance instruction
- 2. Engine
   - 2.1. SOHC engines
      2.1.1. Specifications
      2.1.2. Gear belt
      2.1.3. Check of a tension of a gear belt
      2.1.4. Adjustment of a tension of a gear belt
      2.1.5. Poliklinova belt
      2.1.6. Engine support
      2.1.7. Forward cover and oil pump
      2.1.8. Air filter (ACL)
      2.1.9. Head of cylinders
      2.1.10. Yokes
      2.1.11. Hydraulic jacks of gaps of valves
      2.1.12. Replacement of a saddle of the valve
      2.1.13. Replacement of the directing plug of the valve
      2.1.14. Valve
      2.1.15. Camshaft
      2.1.16. Rods
      2.1.17. Cranked shaft
      2.1.18. Flywheel
      2.1.19. Piston finger
      2.1.20. Final collector
      2.1.21. Inlet collector and air chamber
      2.1.22. Block of cylinders
      2.1.23. Removal and engine and transmission installation
      2.1.24. System of production of the fulfilled gases
      2.1.25. Search and elimination of malfunctions
   + 2.2. DOHC engines
+ 3. Greasing system
+ 4. Cooling system
+ 5. Control, decrease in toxicity
+ 6. Fuel system
+ 7. Ignition system
+ 8. Coupling
+ 9. Transmission
+ 10. Axes and power shafts
+ 11. Suspension bracket
+ 12. Steering
+ 13. Brake system
+ 14. Body
+ 15. Central air
+ 16. Electric equipment
+ 17. Appendix
+ 18. Electroschemes
Heavy Metal & Reflected


2.1.11. Hydraulic jacks of gaps of valves

Fill the hydraulic jack of gaps of valves with engine oil, hold vertically and fingers of a hand compress it from two parties.


The main malfunctions of hydraulic jacks of gaps of valves, the reasons and methods of elimination are given in the table.

Malfunction
Possible reasons
Elimination method
Temporary noise at start of the cold engine. Normal phenomenon Noise disappears after warming up of engine oil and achievement of normal pressure
Continuous noise after the engine was not started within 48 hours. Oil from chambers of hydraulic jacks of gaps of valves flowed out and air got to them Noise will disappear through 15 mines of operation of the engine when the cranked shaft of the engine will reach frequency of rotation of 2000-3000 mines-1
Prevention

Do not increase frequency of rotation of a cranked shaft of the engine above 3000 mines-1 as it is possible to damage hydraulic jacks of gaps of valves.


Continuous noise after start-up of the engine and replacement of a head of cylinders There is not enough oil in oil channels of the engine
Continuous noise after long start-up of the engine by a starter or a towage method Oil from chambers of hydraulic jacks of gaps of valves flowed out and air got to them
Continuous noise, after replacement of hydraulic jacks of gaps of valves
Continuous noise, on frequency of idling after movement on high speed Level of engine oil too low or too high Check level of engine oil
A large amount of air is dissolved in oil after high frequency of rotation Check system of supply of oil
Deterioration of properties of engine oil Check quality of oil and, if necessary, replace it
Noise proceeds more than 15 mines Low pressure in greasing system Check pressure in greasing system
Hydraulic jacks of gaps of valves are faulty Remove a head of cylinders and, pressing hydraulic jacks of gaps of valves, check size of their compression