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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4.12. Removal and pallet installation картера


Order of a tightening of bolts of fastening of the pallet картера


Removal

 PERFORMANCE ORDER

  1. In case of need remove воздухозаборные sleeves both the top and bottom sections of a radiator.
  2. Remove protection картера the engine.
  3. Remove from the block of cylinders the steering pump in gathering with the basic arm.
  4. Поддомкратьте the car also establish it on props (the Scheme of an institution of props for car fixing in the lifted position see an illustration).
  5. Empty cooling system (Routine maintenance see the Head).
  6. Merge impellent oil (Routine maintenance see the Head).
  7. Turn out bolts of assembly collars of a bar of the stabilizer of cross-section stability.
  8. Disconnect forward propeller a shaft from the holder of differential.
  9. Turn out bolts of fastening of power shafts.
  10. Disconnect from the holder of forward differential a hose of removal of air stoppers.
  11. Remove a basic arm of forward differential.
  12. Remove a starter.
  13. Give nuts of an arm of fastening of transmission to a back part of the engine.
  14. Give nuts of fastening of support of a suspension bracket of the power unit to a car frame.
  15. Remove basic arms of the steering pump and a bar of the stabilizer of cross-section stability.
  16. Will hang out the engine from above on лебедке and disconnect from final collectors reception pipes of system of release of the fulfilled gases.
  17. Turn out bolts of fastening of the pallet картера the engine. Having filled the special tool (J-37228) in a backlash between the pallet and the block, and tapping on it with a hammer, cut a layer of hermetic and lower the pallet.

In order to avoid damage of interfaced surfaces or flange deformation in no event on try подрычажить the pallet mount or a screw-driver! Try not to touch with a cutting torch the case of the oil pump and the holder of a back epiploon of a cranked shaft!

  1. Remove маслозаборную a tube with a sealing ring and definitively dismantle the pallet картера.
  2. Take epiploons from the case of the oil pump and the back holder.


Installation

 PERFORMANCE ORDER

  1. Dry wipe an internal surface of the pallet. Check up a landing flange on presence of signs of deformations, — in case of need make it рихтовку.
  2. Lay in a reception flute on a sealing surface of a flange a pillow of hermetic of round section with diameter of an order 3.5—4.5 mm, — track, that hermetic kept within from the inside болтовых apertures.
  3. Grease with hermetic both end faces of epiploons in places of their contact to the case of the oil pump, the back holder and the pallet.
  4. Accurately press the pallet to the engine block.
  5. Screw fixing bolts and, operating in strictly certain order (the Order of a tightening of bolts of fastening of the pallet картера see an illustration), in stages in regular intervals tighten them with demanded effort.
  6. Installation of the remained components is made in an order, the return to an order of their dismantle, — track, that all fixture has been tightened with demanded effort. Refuelling of the engine by oil make after not less than 30 minutes necessary for hardening of hermetic.


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4.11. Replacement of a back epiploon of a cranked shaft
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4.13. Removal, service and installation of the oil pump