VAZ 2101, 2102
1. Specifications
2. Operation and service
3. The engine
4. Fuel system
5. Ignition system
6. Start and gymnastics system
7. Transmission
7.1. Coupling
7.2. A transmission
7.3. Kardannaja transfer
7.4. The back bridge
7.4.1. Features of the device
7.4.2. Removal and installation of the back bridge
7.4.3. Dismantling and assemblage of the back bridge
7.4.4. Check of a beam of the back bridge
7.4.5. Editing of a beam of the back bridge
7.4.6. Semiaxes
7.4.7. A reducer
7.4.8. Differential assemblage
7.4.9. Installation and adjustment of a leading gear wheel
7.4.10. Adjustment of bearings of a leading gear wheel
7.4.11. Installation of a box of differential
7.4.12. A tightness of bearings of a box of differential and adjustment of a lateral backlash
7.4.13. Check of contact of teeths of gear wheels of the main transfer
7.4.14. Replacement of an epiploon of a leading gear wheel
7.4.15. Possible malfunctions of the back bridge
8. A running gear
9. A steering
10. Brake system
11. An electric equipment
12. A body
13. Features of repair
14. Appendices

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7.4.4. Check of a beam of the back bridge

Carefully check up a technical condition of a beam, especially at the car repairs, had an accident. The deformed beam can be at the bottom of noise of the back bridge and the accelerated deterioration of tyres.

Deformation of a beam of the bridge check both in horizontal, and in vertical planes.

1. Having attached to each end of a beam flange А.70172, establish a beam flanges on the identical prisms located on a verifying plate in length not less 1600 mm so that a surface прилегания картера to a beam was in a vertical plane.
2. Check up beam deformation, putting a square to external (drawing at the left) and lateral (drawing on the right) to surfaces of flange А.70172; if the beam is not deformed, the square will adjoin densely.
3. Deformation size check щупом. If щуп 0,2 mm pass on any flange, it is necessary to correct a beam.
4. A square check up perpendicularity of a surface of fastening of a reducer, concerning a basic surface of flange А.70172. Щуп 0,2 mm should not pass.
5. Turn a bridge beam on 90 ° and establish it on prisms. Enclosed the square should adjoin to an external surface of a flange densely, otherwise, check up deformation size щупом. Щуп 0,2 mm should not pass.
6. At the deformation exceeding the specified size, correct a beam, adhering to instructions (subsection 7.4.5 see).
7. After performance of all editings, carefully wash out a beam, a magnetic stopper clear, establish into place and check up:
      – Quality of welded seams and tightness of a beam;
      – Cleanliness in a beam (absence of agnails, a shaving and the oil rests) and cleanliness сапуна beams.
8. After that a beam paint outside for protection from corrosion.

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7.4.3. Dismantling and assemblage of the back bridge
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7.4.5. Editing of a beam of the back bridge