Audi A4, S4
Introduction
Controls and receptions of safe operation
Current leaving and service
The engine
Systems of cooling, heating and the air conditioner
Power supply systems, release and decrease in toxicity of the fulfilled gases
Systems of an electric equipment of the engine
Manual box of a gear change
Automatic transmission
Coupling, power shafts and differential
- Brake system
   Specifications
   Removal of air from brake system
   Removal and installation of lobbies brake pads
   Removal and installation pads brake mechanisms of back wheels
   Check of a thickness of a brake disk
   Removal and installation of a brake disk/support
   Adjustment of a lay 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




Removal and installation of the switch of a stoplight

The stoplight switch is in a pedal support. By pressing of a pedal of a brake by means of the switch the stoplight lights up. Besides, the stoplight switch serves as the gauge for the block of management ABS/EDS. Therefore correct work and adjustment of the switch of a stoplight has special value.

Removal

 PERFORMANCE ORDER

The stoplight switch can be established only once. After removal it is necessary to replace it.

    Remove a pocket from outside the driver, address to Section Removal and pocket installation from outside the driver.
    Compress the tip (2) in a direction of an arrow and disunite connection.
    Turn the stoplight switch on 45 to the left and by that release it. Take out the stoplight switch.

Installation

 PERFORMANCE ORDER

    At the new switch of a stoplight completely take out a pusher (the marksman on an accompanying illustration).

In an installation time do not press a brake pedal.

    Insert the switch the lock laths (1) and (2) into grooves of a support of a pedal and fix, having turned to the right on 45 . Switch position should be reliable. At installation of the switch the pusher itself occupies correct position.
    Fix the tip of the switch of a stoplight, check up switch work.
    Establish into place a pocket from outside the driver, address to Section Removal and pocket installation from outside the driver.