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
 












4-12-snyatie-i-ustanovka-poddona-kartera.html

4.12. Removal and installation of the pallet of a case


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


Removal

 PERFORMANCE ORDER

  1. In case of need remove airintaking sleeves both the top and bottom sections of a radiator.
  2. Remove protection of a case of the engine.
  3. Remove from the block of cylinders the steering pump assembled with the basic arm.
  4. To Poddomkratta the car also establish it on props (see an illustration the Scheme of an institution of props for car fixing in the lifted situation).
  5. Empty cooling system (see. Head Routine maintenance).
  6. Merge impellent oil (see. Head Routine maintenance).
  7. Turn out bolts of assembly collars of a bar of the stabilizer of cross-section stability.
  8. Disconnect the forward driveshaft 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 jams.
  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 the winch and disconnect from final collectors reception pipes of system of production of the fulfilled gases.
  17. Turn out bolts of fastening of the pallet of a case of the engine. Having filled the special tool (J-37228) in a gap 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 by no means 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 a maslozaborny tube with a sealing ring and finally dismantle the case pallet.
  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 a landing flange on existence of signs of deformations — in case of need make its rikhtovka.
  2. Lay in a reception flute on a sealing surface of a flange a pillow of hermetic of round section with a diameter about 3.5 — 4.5 mm — track, that hermetic kept within from the interior of boltovy openings.
  3. Grease with hermetic both of an end face of epiploons in places of contact them with 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 (see an illustration the Order of a tightening of bolts of fastening of the pallet of a case), in stages evenly tighten them with demanded effort.
  6. Installation of the remained components is made as it should be, the return to an order of their dismantle — track, that all fixture was tightened with demanded effort. Engine filling by oil make not less than 30 minutes later, necessary for hermetic hardening.


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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