Hendaj Elantra
Petrol engines 1,6, 1,8 and 2,0 l
The diesel engine of 2,0 l
Greasing system
Cooling system
Fuel system
Monitoring systems and decrease in toxicity of the fulfilled gases
Ignition system
System of preliminary heating of the diesel engine
Coupling
Mechanical transmission
Automatic transmission
Power shafts, forward and back axes
Suspension bracket
Steering
- Brake system
   Specifications
   Check of the vacuum amplifier of brakes
   Check of the unilateral vacuum valve
   Prorolling of hydraulic system of a drive of brakes
   Adjustment of a course of a lay brake
   Brake pedal
   The vacuum amplifier of brakes
   The main brake cylinder
   Replacement of lobbies brake pads
   Support of a forward brake
   Back disk brakes
   Back drum-type brakes
   Replacement of the working brake cylinder
   Pressure regulator
   Brake tubes and hoses
   Lay brake
   Antiblocking system of brakes (ABS)
   Hydraulic block HECU
   The gauge of frequency of rotation of a wheel
   Prorolling of hydraulic system of a drive of brakes with scanner use
   Search and elimination of malfunctions
Body
Air central air
The electric equipment
Electric schemes










Brake system

Specifications

Data
Value
The main brake cylinder

– Type

Тандемный

– Diameter of the cylinder, mm

    CBS (Conventional Brake System – usual brake system)
22,22
    ABS
23,81
The vacuum amplifier of brakes

– Type

The vacuum

– Effective diameter, mm

    CBS
228,6
    ABS
177,8–203,2

– A parity

    CBS
5,5:1
    ABS
6,0:1
The pressure terminator
4DR 5DR

– Pressure of inclusion, мПа

2,55 3,9

– The relation декомпрессии

0,27:1 0,32:1
Forward brakes

– Type

Disk, ventilated

– Diameter of a brake disk, mm

257

– A thickness of a brake disk, mm

24

– A thickness brake pads, mm

11

– Diameter of the cylinder, mm

54
Back disk brakes

– Diameter of a brake disk, mm

258

– A thickness of a brake disk, mm

10

– A thickness brake pads, mm

9
Back drum-type brakes

– Internal diameter of a brake drum, mm

203,2

– A thickness brake pads, mm

9,4

– Diameter of the cylinder, mm

405
Lay brake
Mechanical, influencing back wheels

Antiblocking system of brakes

Data Value
The block of management ECU

– Pressure of a food, In

10–16

– A range of temperatures, С

–40 … 110
Control lamp: ABS, EBD

– Pressure of a food, In

12

– A consumed current, мА

80
The gauge of frequency of rotation of a wheel

– Resistance, the Ohm

1275–1495

– Target frequency, Hz

15–2000

– Target pressure, In

0,15

– An air backlash, mm

0,2–1,2
Hydraulic block HECU

– Weight, kg

2,5

– The engine

12 IN, 30 AND

– Capacity of the engine, Vt

180

– Productivity, sm 3 / with

5,5

Adjusting data

Data
Value
Height of installation of a pedal of a brake, mm
170
Course of a pedal of a brake, mm
128
Backlash of the switch of stoplights, mm
0,5–1,0
Free wheeling of a pedal of a brake, mm
3–8
Backlash between a pusher of the vacuum amplifier of brakes and the main brake cylinder, mm
0
Course of the lever of a lay brake at a tightening its effort 196 Н
8 clicks
Is minimum admissible thickness of overlays of lobbies brake pads, mm
2
Is minimum admissible thickness of a brake disk, mm
22,4
Is minimum admissible thickness of overlays back brake pads (a drum-type brake), mm
1
As much as possible admissible diameter расточки a brake drum, mm
205,2
Is minimum admissible thickness of a back brake disk, mm
8

The inhaling moments, Nm

Data
Value
Nuts of fastening of the main brake cylinder to an arm
8–12
Nuts of fastening of an arm of the main brake cylinder
13–16
The union of a vacuum hose to the air broad chamber
15–18
The prorolling union
7–9
Connecting nuts of brake tubes
13–17
Bolt of fastening of a directing finger of a support
22–32
Bolts of fastening of a support to a rotary fist
65–75
Hollow bolt of fastening of a brake hose to a forward support
25–30
Bolts of fastening of the working brake cylinder
12–18
The forward gauge of frequency of rotation of a wheel
8,2–9,7
The back gauge of frequency of rotation of a wheel
8,2–9,7
Bolts of fastening of the block of management and hydraulic block HECU
8–10
Bolts of fastening of arms of the block of management ECU and hydraulic block HECU
9–10
Six brake tubes to the hydraulic block
13–17

At installation it is necessary to use new self-locking nuts.

The general information

On cars the working brake system with a hydraulic drive is used.

The system works as follows:

– The brake pedal is connected with the main brake cylinder;
– When the pedal is pressed, the liquid under pressure from the main brake cylinder on metal tubes and flexible hoses is transferred to forward and back brake mechanisms;
– Working brake cylinders represent hydraulic modulators which transform the pressure of a liquid created in the main brake cylinder, to moving of elements of the brake mechanism;
– Forward and back pistons of a support of a brake move and at the expense of a friction about brake disks and drums provide demanded delay of the car;
– At release pedals of a brake pressure in system decreases.

Brake pads and pistons come back to neutral or to a starting position and braking stops.

At reduction of level of a brake liquid the gauge of level of a liquid in the main brake cylinder includes a control lamp in combinations of devices. If the control lamp burns, first of all, check up that the lay brake is released, as the lamp specifies in the lowered level of a liquid and the tightened lay brake.