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
   Specifications
   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

Как улучшить память

Specifications

Separate characteristics are provided also in the text of Head and in case of obligation of their performance are allocated with a bold print.

General parameters

Design	Hydraulic, double-circuit with the vacuum amplifier. Electronic protivozanosny system (stability stabilization - ESP), the amplifier of emergency braking (BAS) and system of anti-blocking of brakes (ABS)
Brake mechanisms	The disk
Brake disks	From a composite material aluminum + the steel, ventilated on forward wheels, integral with punching on back wheels
The parking brake foot, with a pedal drive

Brake mechanisms of forward wheels

Thickness of frictional overlays of blocks of back brake mechanisms, mm
Models 140.032/033 till 12.91, 140.134 till 12.91 and 140.135
New blocks	18.5
Admissible wear
Without a substrate	2
Taking into account a substrate (for THAT)	13
Operation of the indicator of wear	2.5
Models 140.134 till 12.91
New blocks	28
Admissible wear taking into account a substrate	25.4
Admissible wear for THAT	26
Models 140.28/042/043/050/051/056/057 / 063/070/076/135, 140.032/033 from 01.92 and 140.134 from 01.92
New blocks	19.3
Admissible wear
Without a substrate	2
Taking into account a substrate (for THAT)	13
Operation of the indicator of wear	2.5
Models 140.028/032/033/134/135 and 140.042/043 / 050/051/056/057/063/070/076
New blocks	15.5
Admissible wear
Without a substrate	2
Taking into account a substrate (for THAT)	11
Operation of the indicator of wear	2.5
Dimensional characteristics of forward brake disks, mm
Minimum admissible thickness	25.4 (with 91г. 27.4)
Models 140.134, 140.028/042/043/050/051/056 / 076/135 and 140.032/033 from 01.92
Thickness of a new disk	30
Admissible wear of a disk	27.4
Admissible wear for THAT	28
Models 140.032/033 from 01.92
Thickness of a new disk	28
Admissible wear of a disk	25.4
Admissible wear for THAT	26
Dimensional characteristics of components of the brake mechanism
Diameter of the new case of a support, mm
Support of a 2-piston design (model 140.03/1 till 12.91 (ATE 57)	56.99-57.04
Support of a 4-piston design
Models 140.02/04/05/06/07 (Girling/Lucas in diameter 40/44)	39.98-40.03
Models 140.03/1 from 01.92 (Girling/Lucas in diameter 40/44)	39.98-40.03
Width, mm
Support of a 2-piston design (model 140.03/1 till 12.91 (ATE 57)	90 + 0.2
Support of a 4-piston design
Models 140.02/04/05/06/07 (Girling/Lucas in diameter 40/44)	43.98-44.03
Models 140.03/1 from 01.92 (Girling/Lucas in diameter 40/44)	43.98-44.03
Diameter of a brake disk, mm
Support of a 2-piston design (model 140.03/1 till 12.91 (ATE 57)	310
Support of a 4-piston design
Models 140.02/04/05/06/07 (Girling/Lucas in diameter 40/44)	100 + 0.2
Models 140.03/1 from 01.92 (Girling/Lucas in diameter 40/44)	100 + 0.2
Thickness of a brake disk, mm
Support of a 2-piston design (models 140.03/1 till 12.91 (ATE 57)	28

Brake mechanisms of back wheels

Minimum admissible diameter of brake drums, mm

160.2

Dimensional characteristics of back brake disks, mm

Minimum admissible thickness
On 90 g вып.	8.3
With 91 g вып.
The integral	9.8
The ventilated	19.4
Models 140.028/032/033, 140.134/135
Thickness of a new disk	12
Admissible wear of a disk	9.8
Admissible wear for THAT	10.5
Models 140.042/043/050/051/056, 140.057 / 063/070/076
Thickness of a new disk	22
Admissible wear of a disk	19.4
Admissible wear for THAT	20

Main brake cylinder

Diameter of the pushing GTTs piston, mm	25.4
Diameter of the GTTs floating piston, mm	19.05
Moving of the pushing piston to GTTs, mm	17
Moving of the floating piston to GTTs, mm	15

Hydraulic actuator

Dependence of pressure in a hydraulic actuator from effort of pressing to a pedal of a foot brake (at pressure in the inlet pipeline 0.75-0.8 a bar), a bar
100 N
Models 140.02/03/1 (ATE T52 4A 225 210 or Lucas LSC 115)	35-45
Models 140.04/05/06/07 (ATE T52/4a 255 225)	35-47
150 N
Models 140.02/03/1 (ATE T52 4A 225 210 or Lucas LSC 115)	53-63
Models 140.04/05/06/07 (ATE T52/4a 255 225) 57-69
200 N
Models 140.02/03/1 (ATE T52 4A 225 210 or Lucas LSC 115)	71-81
Models 140.04/05/06/07 (ATE T52/4a 255 225)	78-92
250 N
Models 140.02/03/1 (ATE T52 4A 225 210 or Lucas LSC 115)	87-98
Models 140.04/05/06/07 (ATE T52/4a 255 225)	95-105

Vacuum amplifier of brakes

Diameter of the vacuum amplifier, mm
Models 140.02/03/1 (ATE T52/4A 225 210 or Lucas LSC 115)	203/228.6
Models 140.04/05/06/07 (ATE T52/4A 255 225)	228.6/254
Factor of strengthening
Models 140.02/03/1 (ATE T52/4A 225 210 or Lucas LSC 115)	5.6
Models 140.04/05/06/07 (ATE T52/4A 255 225)	6.85

Efforts of a tightening of carving connections, Hм

The moments of an inhaling of fixture are given also in the text of Head and on some иллюстрациях*.

* Allocated in the text a bold print the moments of an inhaling are subject to exact observance; the efforts not allocated with a bold print are given only roughly.

Back nave	320
Forward support to the holder	35
Back support to the holder (TDI)	115
The holder of a support to a fist
Forward wheels	115
Back wheels
To 07.93 g	115
After 08.93 g	50
Vacuum tube to the vacuum amplifier	30
Nut of fastening of the vacuum amplifier to an arm	20
Brake hose to a brake tube	14
Brake hose to a brake support	18
Bolt of fastening of the sensor of frequency rotations of a forward wheel	22
Bolt of fastening of the sensor of frequency rotations of a back wheel	8
Nuts of tips of steering drafts
S280, S320, S300 TDI	50
S420, S500, S600	55
Wheel bolts
S280, S320, S420, S500, S600	150
S300 TDI	110