Service Infiniti QX4 since 1996 of release
1. Introduction
2. The maintenance instruction
3. Routine maintenance
4. The engine
5. Cooling and heating systems
6. Power supply systems and managements
7. Start and charge systems
8. A transmissionnaja line
8.1. 4-step automatic transmission
8.2. A distributing box
8.2.1. The general information
8.2.2. Removal and installation of a distributing box
8.2.3. Removal and installation приводного the electromotor of an actuation mechanism of a distributing box
8.2.4. Replacement of the oil filter of a distributing box
8.2.5. Replacement of epiploons of a target shaft of a distributing box
8.2.6. Replacement of an epiploon of a rod of switching of a distributing box
8.3. Differentials, power shafts / semiaxes
8.4. Kardannye shaft
9. Brake system
10. A suspension bracket and a steering
11. A body
12. An electric equipment

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8.2. A distributing box

The distributing box is established behind the power unit. The engine twisting moment through transmission and a distributing box is transferred on forward and back приводные shaft/semiaxes by means of карданных shaft.

On a design and an action principle the distributing box used on models Infiniti QX4 concerns to полнорежимным (All-mode) with elektronno-hydraulic management — below-mentioned illustrations see:

As the brain centre the module of management of automatic transmission (TCM) acts. System refusals 4WD are fixed in memory of the module of management and can be считаны by means of the scanner of type CONSULT, or on signals of a control lamp. Problem diagnostics АТ and systems 4WD should be made in the conditions of a car-care centre workshop.

Composers of the present Management do not recommend to motorists to make in house conditions of attempt of independent performance of regenerative repair of the failed distributing box. Work demands presence of special toolkit and certain qualification of the executor. Nevertheless, independent performance of procedures of removal and installation of the distributing box, which description is resulted further, will allow in essential measure to cut down the expenses connected both with repair, and with replacement of the failed assemblage.

The basic scheme of functioning of control system АТ/4WD

Base principles of functioning of a distributing box

Function chart of a hydraulic contour of management of system 4WD

Control system function chart 4WD

On page back
8.1.11. Major repairs АТ
On the following page
8.2.1. The general information