Mercedes S-Class W-140

1991-1999 of release

Repair and car operation

Mercedes S-Class
+ Mercedes-Benz Cars of a class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ gear shifting Box
+ Avtomaticheckaya transmission
+ Coupling
- Brake system
   Arrangement of components of antiprobuksovochny system ASR/ETS
   Arrangement of components of the amplifier of emergency braking (BAS)
   Arrangement of components of ESP system
   Dismantling and assembly of the main brake cylinder (GTTs) of the Tandem type (model 140.028/032/033/135)
   Removal, installation and check of serviceability of functioning of the servo-driver of the vacuum amplifier of brakes
   Removal and installation of a brake support
   Check of thickness of a brake disk and overlays of brake shoes
   Removal and installation of blocks of the parking brake
   Removal and installation of a forward cable of a drive of the parking brake
   Adjustment of the parking brake
   Wheel ABS sensors - installation details
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


Dismantling and assembly of the main brake cylinder (GTTs) of the Tandem type (model 140.028/032/033/135)

Design of GTTs of the Tandem type

Design of GTTs of the Tandem type

3, 7, 20 — Pistons
5 — the Lock ring
8 — the Lock plate
9 — Jams

10 — the Tank
22 — the Case
27 — the Directing finger



1. Slightly press a finger (3) and take a cylindrical finger (27) by means of flat-nose pliers.
2. Remove a lock ring (5) and remove the piston (3) together with a secondary epiploon from the case (22).
3. Take the floating piston by means of flat-nose pliers from the case (22).
4. Wipe the case and check internal surfaces of the case on absence of damages.
5. Wipe all details new brake liquid.



1. Disconnect the plug (040) from the plug (041).
2. Take a secondary epiploon and the piston from the plug (041).
3. Fix the case (22) openings down.
4. Grease a case opening with brake liquid.
5. Insert the plug (040) into an opening and press the floating piston (20) against the stop by means of a screw-driver. At piston installation, be convinced that the directing groove (shooter) is established vertically.
6. Insert a cylindrical finger and take the plug (040).
7. Fix the brake cylinder openings up.
8. Insert a secondary epiploon into the case (22) and press it.
9. Fix the piston (7), insert a lock plate (8) and fix it a lock ring (5), track correctness of landing in a groove of the case (22) of a lock ring (5).
10. Grease jams (9) brake liquid and press them in the case (22). Establish the tank (10) with one tube on the case (22), turn on 180 ° and then establish the second tube to the case (22).