Service of Audi A4 from 2001 to 2005 release.
1. Operation and maintenance of the car
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
6.1. Preliminary checks
6.2. Repair of the brake system
6.3. Repair of brakes of forward wheels
6.3.1. Removal and installation of brake shoes
6.3.2. Brake of forward wheels of FN3
6.3.3. Removal and installation of brake shoes
6.3.4. Ceramic brake of forward wheels of CSIC
6.3.5. Removal and installation of brake shoes
6.3.6. Removal and installation of brake shoes (brake of back wheels of C38)
6.3.7. Brake of back wheels of RS4 (TIP 8ES)/S43
6.3.8. Removal and installation of cables of the parking brake, cars with the forward drive
6.3.9. Removal and installation of cables of the parking brake (cars with the four-wheel drive)
6.3.10. Removal and installation of the lever of the emergency brake
6.3.11. Removal and installation of a basic pillow for a brake pedal
6.4. ABS system
6.5. Tables
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment
 




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6-3-3-snyatie-i-ustanovka-tormoznykh-kolodok.html

6.3.3. Removal and installation of brake shoes

Removal
Lift the car.
Remove wheels.

NOTE
Mark brake shoes if they are reused. They have to be established back on the places, otherwise there will be an unevenness of distribution of brake efforts between wheels.

The brake disk is protected by the Torx screw.

Fig. 6.34. Removal of caps


Remove caps (fig. 6.34).

Fig. 6.29. Socket of the index of wear of brake shoes


In the car with the index of wear of brake shoes disconnect the socket 1 (fig. 6.29).
Slightly raise a fixing loop on the lower part of the plug 2, and then turn on 90 °.
Take the lower part of the plug from the holder.

Fig. 6.35. Removal of a fixing spring of blocks


Hook a fixing spring of blocks from the case of a brake support the screw-driver and remove its (fig. 6.35).

Fig. 6.36. Untwisting of the directing finger


Unscrew both directing a finger from a brake support and take their (fig. 6.36).
Remove the case of a brake support and to put it so that it did not load with the weight a brake hose and did not damage it.
Take a brake shoe from the case of a brake support and from a bracket holder.

Installation

Fig. 6.32. Cave-in of the piston


Press the piston (fig. 6.32).
For cleaning of the case of a brake support use only alcohol.

NOTE
Before installation of new brake shoes press the piston into the cylinder by means of the special tool. Before cave-in pump out brake fluid from a tank with brake fluid by means of capacity for pumping. Otherwise, in case of the subsequent doliv of liquid, it can flow out and cause damages.


Fig. 6.37. Cave-in of a brake shoe with the holding spring in the case of a brake support


Insert a brake shoe with the holding spring into the case of a brake support (piston) (fig. 6.37).

NOTE
The internal block (with an expansion spring) is designated by an arrow. The arrow has to specify in the direction of rotation of a brake disk when driving directly. The wrong installation can result in the increased noisiness when braking.

Remove a protective film from a back wall of an external brake shoe.
Establish an external brake shoe in a bracket holder.
Fasten the case of a brake support with both directing fingers to an arm of a brake support with the moment of 25 N · m.
Establish both caps.
Insert a fixing spring into the case of a brake support.
Connect the socket of the indicator of wear of brake shoes.
After replacement of brake shoes several times strongly press a brake pedal. It is necessary in order that brake shoes reached the working position.
Check the level of brake fluid, if necessary add.


6.3.2. Brake of forward wheels of FN3

6.3.4. Ceramic brake of forward wheels of CSIC