Service Infiniti QX4 since 1996 of release
1. Introduction
2. The maintenance instruction
3. Routine maintenance
4. The engine
4.1. Specifications
4.2. Check компрессионного pressure in cylinders
4.3. Diagnostics of a condition of the engine with vacuum gauge application
4.4. Removal and engine installation
4.5. Removal and installation of the inlet pipeline
4.6. Replacement of a belt of drive ГРМ
4.7. Removal, check of a condition and installation of a head of cylinders
4.8. Replacement of a forward epiploon of a cranked shaft
4.9. Removal, check of a condition and installation of components клапанного the mechanism
4.10. Replacement of epiploons of camshafts
4.11. Replacement of a back epiploon of a cranked shaft
4.12. Removal and pallet installation картера
4.13. Removal, service and installation of the oil pump
4.14. Alternative variants of schemes of regenerative repair of the engine
4.15. An order of dismantling of the engine by its preparation for major repairs
4.16. Dismantling and check of a condition of a head of cylinders and components клапанного the mechanism
4.17. Recommendations about service of valves
4.18. Assemblage of a head of cylinders
4.19. Removal of shatunno-piston assemblages
4.20. Removal of a cranked shaft
4.21. Cleaning of the block of the engine
4.22. Check of a condition of the block of the engine
4.23. Хонингование mirrors of cylinders
4.24. Check of a condition of components of shatunno-piston group
4.25. Check of a condition of a cranked shaft
4.26. Check of a condition and selection of loose leaves radical and шатунных bearings of a cranked shaft
4.27. An engine assembly order
4.28. Installation of piston rings
4.29. Installation of a cranked shaft and check of working backlashes of radical bearings
4.30. Installation of shatunno-piston assemblages and check of size of working backlashes in шатунных bearings of a cranked shaft
4.31. Trial start and обкатка the engine after major repairs
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. A transmissionnaja line
9. Brake system
10. A suspension bracket and a steering
11. A body
12. An electric equipment
 












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4.5. Removal and installation of the inlet pipeline

 PERFORMANCE ORDER

  1. Dump pressure in the power supply system (Check компрессионного pressure in cylinders see).
  2. Empty cooling system (Routine maintenance see the Head).
  3. Disconnect from a collector of the inlet pipeline cables of a drive throttle заслонки and темпостата.
  4. Remove an air line sleeve.
  5. Remove disturbing to access to the inlet pipeline lines of communication:
    • Electroconducting of valve IACV-AAS, the gauge of position throttle заслонки (TPS), the gauge-switch of extreme positions throttle заслонки, coils of ignition, the powerful transistor, electromagnetic valve EGRS and the gauge of temperature EGR;
    • The hoses brought to a collector охладительного a path;
    • Hoses of a heating path;
    • Hose PCV (from the right head of cylinders);
    • Vacuum hoses of a coal adsorber, ГТЦ and a pressure regulator;
    • Hose of a purge of a coal adsorber;
    • Tube EGR;
    • Grounding tyres;
  6. Turn out fixing bolts and remove a collector of the inlet pipeline with a sealing lining.
  1. Disconnect from a fuel highway submitting and returnable gasoline pipe lines, disconnect electroconducting from all injectors and remove a fuel highway.
  1. Operating in strictly certain order, release bolts of fastening of the inlet pipeline.

  1. Definitively turn out fixing bolts and remove the pipeline.
  2. In case of need remove from a collector of the inlet pipeline the throttle case.


Installation

Installation is made in an order, the return to an order of dismantle of components, — do not forget to make replacement of all sealing and изоляционных elements. Track, that all fixture has been tightened with demanded effort.

The tightening of bolts of fastening of the inlet pipeline is made in regular intervals in an order, the return to an order of their easing.



On page back
4.4. Removal and engine installation
On the following page
4.6. Replacement of a belt of drive ГРМ