Service of the Infiniti QX4 since 1996 of release
1. Introduction
2. Maintenance instruction
3. Routine maintenance
4. Engine
4.1. Specifications
4.2. Check of compression pressure in cylinders
4.3. Diagnostics of a condition of the engine with use of the vacuum gage
4.4. Removal and installation of the engine
4.5. Removal and installation of the inlet pipeline
4.6. Replacement of a belt of the GRM drive
4.7. Removal, check of a state and installation of a head of cylinders
4.8. Replacement of a forward epiploon of a bent shaft
4.9. Removal, check of a state and installation of components of the valvate mechanism
4.10. Replacement of epiploons of camshafts
4.11. Replacement of a back epiploon of a bent 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 recovery repair of the engine
4.15. An order of dismantling of the engine by preparation it to capital repairs
4.16. Dismantling and check of a condition of a head of cylinders and components of the valvate mechanism
4.17. Recommendations about service of valves
4.18. Assembly of a head of cylinders
4.19. Removal of conrod and piston assemblies
4.20. Removal of a bent 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 conrod and piston group
4.25. Check of a condition of a bent shaft
4.26. Check of a state and selection of inserts of radical and conrod bearings of a bent shaft
4.27. Engine assembly order
4.28. Installation of piston rings
4.29. Installation of a bent shaft and check of working gaps of radical bearings
4.30. Installation of conrod and piston assemblies and check of size of working gaps in conrod bearings of a bent shaft
4.31. Trial start and a running in of the engine after capital repairs
5. Cooling system and heating
6. Feed and control systems
7. Systems of start and charge
8. Transmission line
9. Brake system
10. Suspension bracket and steering
11. Body
12. Electric equipment
 












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4.12. Removal and installation of the pallet of a case


Order of 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 lower 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. The car also establish to Poddomkratta it on props (see the illustration Scheme of an Institution of Props for fixing of the car in the lifted situation).
  5. Empty the cooling system (see the Head Routine maintenance).
  6. Merge motive oil (see the Head Routine maintenance).
  7. Turn out bolts of assembly collars of a bar of the stabilizer of cross stability.
  8. Disconnect the forward driveshaft from the holder of differential.
  9. Turn out bolts of fastening of power shafts.
  10. Disconnect a hose of removal of air traffic jams from the holder of forward differential.
  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 stability.
  16. You will hang out the engine from above on the winch and disconnect reception pipes of system of production of the fulfilled gases from final collectors.
  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 the hammer, cut a layer of sealant and lower the pallet.

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

  1. Pick up the maslozaborny phone 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 the internal surface of the pallet. Check a landing flange for 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 sealant of round section with a diameter about 3.5 — 4.5 mm — track that sealant kept within from the inside of bolted openings.
  3. Grease with sealant both end faces 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, working in strictly certain order (see the illustration Order of Tightening of Bolts of Fastening of the Pallet of a Case), in stages evenly tighten them with the required 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 the required effort. You make filling of the engine with oil not less than 30 minutes necessary for sealant hardening later.


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




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