Infiniti QX4 service since 1996 of release
1. Introduction
2. Maintenance instruction
3. Routine maintenance
4. Engine
4.1. Specifications
4.2. Check of kompressionny pressure in cylinders
4.3. Diagnostics of a condition of the engine with use of the vacuum gage
4.4. Removal and engine installation
4.5. Removal and installation of the inlet pipeline
4.6. Replacement of a belt of a drive of GRM
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 of the klapanny mechanism
4.10. Replacement of epiploons of camshafts
4.11. Replacement of a back epiploon of a cranked shaft
4.12. Removal and installation of the pallet of a case
4.13. Removal, service and installation of the oil pump
4.14. Alternative versions of schemes of regenerative repair of the engine
4.15. An order of dismantling of the engine by its preparation for major maintenance
4.16. Dismantling and check of a condition of a head of cylinders and components of the klapanny mechanism
4.17. Recommendations about service of valves
4.18. Assembly of a head of cylinders
4.19. Removal of shatunno-piston assemblies
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. Honingovaniye of 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 of radical and shatunny bearings of a cranked shaft
4.27. Engine assembly order
4.28. Installation of piston rings
4.29. Installation of a cranked shaft and check of working gaps of radical bearings
4.30. Installation of shatunno-piston assemblies and check of size of working gaps in shatunny bearings of a cranked shaft
4.31. Trial start and an engine running in after major maintenance
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. Transmission line
9. Brake system
10. Suspension bracket and steering
11. Body
12. Electric equipment
 












4-13-snyatie-obsluzhivanie-i-ustanovka-maslyanogo-nasosa.html

4.13. Removal, service and installation of the oil pump

The oil pump is established in a forward part of the engine and equipped with the built-in reduktsionny valve. The valve is built in by Perepuskna in transitional a flange located on the block of cylinders of the oil filter and access to it opens after removal of the last.


Removal and dismantling

 PERFORMANCE ORDER

  1. Merge impellent oil.
  2. Empty a radiator of system of cooling (see. Head Routine maintenance).
  3. Remove an air inlet sleeve
  4. Remove the fan of system of cooling with a casing.
  5. Remove the top and bottom radiatorny hoses.
  6. Remove the case pallet (see. Removal and installation of the pallet of a case).
  7. Remove a belt of a drive of GRM (see. Replacement of a belt of a drive of GRM).
  8. Remove the oil pump.
  9. Remove from the pump a cover with sealing laying and take from the gear wheel case.
  10. Turn out a stopper of the reduktsionny valve and take from a nest in the pump case klapanny a spring and a plunzher. Check a spring on existence of deformations, and a plunzher — on existence of scratches and задиров. Defective components are subject to replacement.


Condition check

 PERFORMANCE ORDER

  1. Carefully wash out components of pump assembly in solvent.
  1. Measure size of working gaps of gear wheels of the pump. Compare results of measurements to requirements of Specifications. If the size of gaps falls outside the limits admissible values, replace gear wheels or pump assembly.

    A — Measurement of gaps between tops of teeths of gear wheels and between an external gear wheel and the case
    B — Measurement of size axial люфта gear wheels
    C — Measurement of a gap of landing of an acting part of an internal gear wheel in the pump case

A.

B.

C.
  1. Establish gear wheels in the case of the pump and fill cavities between their teeths technical vaseline (as initial filling at primary start).


Assembly and installation

 PERFORMANCE ORDER

  1. Establish in pump assembly a new forward epiploon of a cranked shaft (see. Replacement of a forward epiploon of a cranked shaft).
  2. Grease components of pump assembly with pure impellent oil and plant in the case a set of gear wheels and components of the reduktsionny valve.
  3. Establish into place a cover and fill in in the pump impellent oil.
  4. Establish the pump on the engine — do not forget to change sealing laying. Establish a maslozaborny tube (also with a new sealing ring).
  5. Grease screws of fastening of a cover of the pump with anti-taking hermetic. Establish a cover, screw screws and tighten them with demanded effort. Establish in the pump case a spring and a plunzher of the reduktsionny valve. Having replaced a sealing washer, screw a stopper and strongly tighten it.


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4.12. Removal and installation of the pallet of a case
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4.14. Alternative versions of schemes of regenerative repair of the engine