Infiniti QX4 service since 1996 of release
1. Introduction
2. Maintenance instruction
3. Routine maintenance
4. Engine
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. Transmission line
8.1. 4-step automatic transmission
8.2. Transfer case
8.3. Differentials, power shafts / semi-axis
8.3.1. General information and check of a condition of components
8.3.2. Removal and installation of differentials
8.3.3. Replacement of sealing laying of forward differential
8.3.4. Removal and installation of a connecting flange and replacement of an epiploon of back differential
8.3.5. Removal, service and installation of the oil pump
8.3.6. Removal and installation of back semi-axes
8.4. Driveshafts
9. Brake system
10. Suspension bracket and steering
11. Body
12. Electric equipment
 








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8.3.5. Removal, service and installation of the oil pump


Design of a power shaft of a forward axis


Removal

 PERFORMANCE ORDER

  1. Remove a protective cover of a nave from a wheel which power shaft needs service. Remove a lock ring of fastening of a power shaft. Release nuts of fastening of a wheel.
  2. To Poddomkratta a car front also establish it on props and remove a wheel (see an illustration the Scheme of an institution of props for car fixing in the lifted situation). Release a nut and bolts of fastening of cross-section draft.
  3. Slightly tapping with a hammer with soft (brass) brisk, beat out a power shaft from assembly of a rotary fist if the shaft does not give in, use a stripper.
  4. From the interior of a shaft turn out bolts of fastening of a sliding casing of the hinge of a shaft to a lateral flange.
  5. Having pulled, separate a shaft from a lateral flange of the main transfer.


Dismantling

 PERFORMANCE ORDER

  1. Slightly tapping along the edges of a sliding casing of the hinge, remove its sealing face cover. Remove bandage tapes (collars) of fastening of protective covers.
  2. Mark adjusting position of the holder (crosspiece) of the hinge of rather sliding casing and a pin of a power shaft.
  3. Remove from a shaft pin a lock ring, then by means of a suitable press remove a hinge crosspiece.
  4. Remove a casing of a sliding flange and protective covers.
  5. Mark the adjusting provision of assembly of the external hinge and accurately separate the last from a shaft pin, having used for this purpose a hammer with a sliding brisk and suitable stripper.


Check

 PERFORMANCE ORDER

  1. Carefully wash out shaft components in solvent and dry with application of the compressed air.
  2. Examine components on existence of signs of deformation and damages. Defective units replace.
  3. In case of identification of cracks or signs of twisting replace a bar of a power shaft.
  4. Estimate a condition of protective covers of CV JOINTS, in case of need make replacement.

Originators of the real Management recommend to replace protective covers regardless of their condition. Prepare new bandage tapes of fastening of protective covers.

  1. In case of detection of defects of a sliding casing of the internal CV JOINT it is subject to replacement complete with the hinge (crosspiece assembly). The external CV JOINT is not subject to dismantling and regenerative repair and in case of failure is replaced assembled.


Assembly


Internal CV JOINT

 PERFORMANCE ORDER

  1. Wind the parts of a shaft equipped with notches with an insulating tape for protection new protective covers from damage.
  2. Plant a protective cover of the CV JOINT and fix it on a shaft a new bandage tape.
  3. Establish a sliding casing of sharnirny assembly.
  4. Establish the CV JOINT crosspiece — having tracked correctness of combination of the landing labels put in the course of dismantle, densely plant a crosspiece the equipped facet the party inside.
  5. Establish a new lock ring.
  6. Fill in sharnirny assembly of 95 — 105 grams of greasing from a remnabor, then establish a new sealing face cover.
  7. Pull a cover on a casing (edges of a cover should get to reception flutes on a shaft and a hinge casing) and fix it a new bandage tape — track, that the cover did not appear is overwound. The cover stretches on a hinge casing so that its full length made 95 — 97 mm.


External CV JOINT

 PERFORMANCE ORDER

  1. Plant a protective cover of the CV JOINT and fix it on a shaft a new bandage tape.
  2. Wind the parts of a shaft equipped with notches with an insulating tape for protection new protective covers from damage.
  3. Begin to knock sharnirny assembly on a shaft pin — track correctness of combination of the landing labels put in the course of dismantle. Establish a new lock ring.
  4. Fill in the hinge of 135 — 145 grams of greasing from a remnabor, then pull a cover on the CV JOINT and fix a new bandage tape — the full length of a cover should make 96 — 98 mm.


Installation

Installation is made as it should be, the return to an order of dismantle of components. Track correctness of a tightening of fixture.


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8.3.4. Removal and installation of a connecting flange and replacement of an epiploon of back differential
on the following page»
8.3.6. Removal and installation of back semi-axes