Audi A4, S4

since 2000 of release

Repair and car operation


Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
+ Engine
+ Systems of cooling, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
- Brake system
   Specifications
   Air removal from brake system
   Removal and installation of forward brake shoes
   Removal and installation of blocks of brake mechanisms of back wheels
   Check of thickness of a brake disk
   Removal and installation of a brake disk/support
   Adjustment of the parking brake
   Removal and installation of the switch of a stoplight
   Removal and installation of a brake hose
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment

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Check of thickness of a brake disk

 PERFORMANCE ORDER

    Mark with an arrow the direction of rotation of a wheel. Unscrew bolts of fastening of wheels. Lift and establish the car on supports.
    Measure thickness of a brake disk surely in the thinnest place (an arrow on an accompanying illustration). On HUNDRED for this purpose there is a special calliper or a micrometric bracket since wear of a disk has an edge. It is possible to measure thickness of a disk by means of a usual calliper. In this case on each party of a brake disk it is necessary to put laying of a certain thickness (for example, a small coin). In this case it is necessary to subtract thickness of two coins from the received result of measurement.

It is necessary to make measurement in several points of a brake disk.

    The sizes of a brake disk are specified in Specifications.
    If a limit of wear of a disk will reach, it is necessary to replace surely both disks of one axis.
    In the presence of big cracks or flutes, a brake disk it is necessary to replace more than 0.5 mm with depth.
    Observing the rotation direction, establish a wheel and fix it. Lower the car on wheels and only after that tighten bolts of fastening of a wheel cross-wise the moment 120Нм.