Subaru Legacy/Outback

1999-2003 of release

Repair and operation of the car



Subaru of Legasi, Autbek
+ Cars Subaru Legacy, Outback
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Electric equipment of the engine
+ Manual box and differential
+ Automatic transmission
+ Coupling
- Brake system
   Specifications
   Brake mechanisms of lobbies and back wheels - the general information
   The parking brake - a design and the principle of functioning
   Pressure valve limiter - a design and the principle of functioning
   Antiretractable system - the device, the principle of functioning and a precautionary measure
   System of anti-blocking of brakes (ABS) - the general information, the principle of functioning
   System of dynamic stabilization (VDC) - the general information, the principle of functioning
   Check of a state replacement of blocks of disk brake mechanisms of forward wheels
   Removal, check of a state and installation of forward brake disks
   Removal, service and installation of disk brake mechanisms of forward wheels
   Check of a state and replacement of blocks of disk brake mechanisms of back wheels
   Removal, check of a state and installation of back brake disks
   Removal, service and installation of disk brake mechanisms of back wheels
   Removal, service and installation of the main brake cylinder (MBC)
   Removal, installation and check of serviceability of functioning of the vacuum amplifier of brakes
   Removal, installation and check of serviceability of functioning of the valve limiter of pressure
   Replacement of brake fluid
   Pumping of a hydraulic path of brake system
   Check of a state and replacement of flexible brake hoses
   Check of a state and replacement of tubes of a brake path
   Removal, service, installation and adjustment of a pedal of a foot brake
   Removal, check of a state, installation and adjustment of the sensor switch of stoplights
   Removal, installation, check of a state and adjustment of the lever of the drive of the parking brake
   Removal, check of a state and installation of elements of the hummock drive of the parking brake
   Removal, installation and adjustment of the mechanism of the parking brake
   Removal, installation, check of a state and adjustment of components of the antiretractable device
   Removal, installation and check of serviceability of functioning of assembly of the module of the ABS management/hydromodulator
   Check of sequence of operation of valves of the ABS hydromodulator
   Removal, installation and check of serviceability of functioning of forward wheel ABS sensors
   Removal, installation and check of serviceability of functioning of back wheel ABS sensors
   Removal, installation and check of a condition of rotors of wheel sensors
   Removal, installation and diagnostics of the sensor of overloads (G-sensor)
   Problem diagnostics of ABS
   Removal, installation and adjustment of the module of management of VDC
   Removal, installation and check of serviceability of functioning of the VDC hydromodulator
   Check of sequence of operation of valves of ABS and VDC hydromodulators
   Removal, installation and check of serviceability of functioning of the sensor of withdrawal / cross overloads
   Removal, installation and check of serviceability of functioning of the sensor of an angle of rotation of a steering wheel of VDC
   Removal, installation and check of serviceability of functioning of wheel sensors with rotors
   Removal, installation and check of serviceability of functioning of the switch of deactivation of VDC (VDC OFF)
   Problem diagnostics of VDC
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment




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Specifications

Brake system

General parameters

Type of system

The double-circuit

Type and volume of brake fluid

See the Head Routine maintenance.

Working gap of the sensor switch of stoplights, mm

0.3

Size of a vystupaniye of a plunger of the sensor switch of stoplights, mm

2+1.5

Nominal height of provision of a pedal of a foot brake, mm

145.3

Size of a free wheeling of a pedal of a foot brake, mm

1.0 ÷ 3.0

Disk brake mechanisms of forward wheels

Type

Ventilated, floating, 15 or 16 inches in size, with automatic adjustment of gaps

Effective diameter of a disk, mm

The 15-inch

228

The 16-inch

248

Disk sizes (÷ thickness outer diameter), mm

The 15-inch

24 ÷ 277

The 16-inch

24 ÷ 294

Effective diameter of the cylinder, mm

42.8 ÷ 2

Sizes of brake shoes (÷ length ÷ width thickness), mm

112.3 ÷ 50.0 ÷ 11.0

Thickness of brake shoes (including a metal substrate), mm

Nominal rate

17

Limit admissible value

7.5

Thickness of a brake disk, mm

Nominal rate

24

Limit admissible value

22

Limit admissible size of a beating of a disk, mm

0.075

Disk brake mechanisms of back wheels

Type

Floating type, with automatic adjustment of gaps

Effective diameter of a disk, mm

254

Disk sizes (÷ thickness outer diameter), mm

10 ÷ 290

Effective diameter of the cylinder, mm

38.1

Sizes of brake shoes (÷ length ÷ width thickness), mm

82.4 ÷ 33.7 ÷ 9.0

Thickness of brake shoes (including a metal substrate), mm

Nominal rate

14

Limit admissible value

6.5

Thickness of a brake disk, mm

Nominal rate

10

Limit admissible value

8.5

Limit admissible size of a beating of a disk, mm

0.070

Main Brake Cylinder (MBC)

Type

Tandem with the tight tank

Effective diameter, mm

26.99

Volume of hydraulic liquid, cm3

205

Vacuum amplifier of brakes

Type

The vacuum

Effective diameter, mm

205 + 230

Nominal size of a vystupaniye of a rod of a pusher of "L", mm

Models without VDC

10

Models with VDC

18

Nominal length of a rod of a pusher, mm

144.6

Pressure of brake fluid, kPa

At the killed engine

When squeezing a pedal with effort of 15 kgfs

588

When squeezing a pedal with effort of 30 kgfs

1667

At the working engine and depth of depression in the inlet pipeline

66 kPas

When squeezing a pedal with effort of 15 kgfs

5688

When squeezing a pedal with effort of 30 kgfs

9702

Pressure valve limiter

Point of division, kPa

Models without VDC

2942

Models with VDC

3678

Reduction coefficient

0.3

Pedal of a foot brake

The size of a free wheeling (at effort of squeezing less than 1 kgf), mm

1 ÷ 3

Height of provision of a pedal (L), mm

148

Nominal size of the adjusting size, mm

126.4

The limit admissible size of a lateral side play of a pedal (on a block), mm

5.0

Parking brake

Type

Drum on a disk, with the mechanical drive on back wheels and manual adjustment of a gap

Effective diameter of a drum, mm

170

Sizes of boots (÷ length ÷ width thickness), mm

162.6 ÷ 30.0 ÷ 3.2

Internal diameter of a drum, mm

Nominal rate

170

Limit admissible value

171

Thickness of frictional overlays of boots, mm

Nominal rate

3.2

Limit admissible value

1.5

The lever course when raising with effort of 20 kgfs

7 ÷ 8 clicks

ABS

Wheel sensors

Size of a working gap, mm

Forward wheels

0.3 ÷ 0.8

Back wheels

0.44 ÷ 0.94

Resistance, kOhm

1.25 ± 0.25

Color marking of isolation of an electrical wiring

Left forward wheel

Legacy models

The yellow

Outback models

The brown

Right forward wheel

Legacy models

The white

Outback models

The blue

Left back wheel

The yellow

Right back wheel

The white

Maximum admissible size of a beating of an alarm rotor / stupichnoy assemblies, mm

0.05

Sensor of overloads (G-sensor)

Tension, In

2.3 ± 0.2

Module management/hydromodulator

Marking of compliance to car type

CG

The Legacy models with AT

CH

The Legacy models with RKPP

CI

The Outback models with AT

CJ

The Outback models with RKPP

Checks of the hydromodulator

Check with use of manometers

Initial pressure, kPa

Forward brake mechanisms

3432

Back brake mechanisms

3432

Phase of dumping of pressure, kPa

Forward brake mechanisms

No more than 490

Back brake mechanisms

No more than 490

Phase of forcing of pressure, kPa

Forward brake mechanisms

Not less than 3432

Back brake mechanisms

Not less than 3432

Check at the test bench

Initial indication, N

Forward brake mechanisms

981

Back brake mechanisms

981

Phase of dumping of pressure, N

Forward brake mechanisms

No more than 490

Back brake mechanisms

No more than 490

Phase of forcing of pressure, N

Forward brake mechanisms

Not less than 981

Back brake mechanisms

Not less than 981

Codes of malfunctions (DTC)

Code

The most probable source of violation

11

Code of the beginning of check (when reading without application of SSM)

21

Break or short circuit in a chain of the right forward wheel sensor

22

Violation of parameters of a signal of the right forward wheel sensor

23

Break or short circuit in a chain of the left forward wheel sensor

24

Violation of parameters of a signal of the left forward wheel sensor

25

Break or short circuit in a chain of the right back wheel sensor

26

Violation of parameters of a signal of the right back wheel sensor

27

Break or short circuit in a chain of the left back wheel sensor

28

Violation of parameters of a signal of the left back wheel sensor

29

Violation of parameters of a signal of any of four wheel sensors

31

Failure of the right forward inlet valve of the ABS hydromodulator

32

Failure of the right forward final valve of the ABS hydromodulator

33

Failure of the left forward inlet valve of the ABS hydromodulator

34

Failure of the left forward final valve of the ABS hydromodulator

35

Failure of the right back inlet valve of the ABS hydromodulator

36

Failure of the right back final valve of the ABS hydromodulator

37

Failure of the left back inlet valve of the ABS hydromodulator

38

Failure of the left back final valve of the ABS hydromodulator

41

Failure of the module of management of ABS

42

Excessively low/high level of supply voltage

44

Violation of communication of management with AT

51

Violation of serviceability of functioning of the valvate relay

52

Violation of serviceability of functioning of an electric motor or its relay

54

Violation of serviceability of functioning of the sensor switch of stoplights

56

Break / short circuit in a G-sensor chain; Overestimate of a m-signal * G-sensor of parameters; Jamming of the G-sensor

* Overestimate of a m-signal testifies to excessively high coefficient of coupling with a paving.

VDC

Wheel ABS sensors

See ABS

The sensor of the taking-away moment / cross overloads

Tension of the sensor of cross overloads, In

2.5 ± 0.2

Hydromodulator

Marking

D2

Checks

Check with use of manometers

Phase of forcing of pressure, kPa

Forward brake mechanisms

Not less than 2942

Back brake mechanisms

Not less than 1961

Phase of dumping of pressure, kPa

Forward brake mechanisms

No more than 490

Back wheels

No more than 490

Check at the test bench

Phase of forcing of pressure, N

Forward brake mechanisms

Not less than 1961

Back brake mechanisms

Not less than 981

Phase of dumping of pressure, N

Forward brake mechanisms

No more than 490

Back wheels

No more than 490

Module of management

Marking of compliance to car type

To

Legacy models

M

Outback models of 2.5 l

N

Outback models of 3.0 l

Codes of malfunctions (DTC)

Code

The most probable source of violation

11

Code of the beginning of check (when reading without application of SSM)

21 ÷ 29

See codes of malfunctions of ABS

31

Failure of the right forward inlet valve of the VDC hydromodulator

32

Failure of the right forward final valve of the VDC hydromodulator

33

Failure of the left forward inlet valve of the VDC hydromodulator

34

Failure of the left forward final valve of the VDC hydromodulator

35

Failure of the right back inlet valve of the VDC hydromodulator

36

Failure of the right back final valve of the VDC hydromodulator

37

Failure of the left back inlet valve of the VDC hydromodulator

38

Failure of the left back final valve of the VDC hydromodulator

41

Failure of the module of management of VDC

42

Excessively low/high level of supply voltage

43

Violation in a line of communication between the module of management of VDC and ECM (reading without SSM)

43

Violation of communication of management with AET/AEB/AEC (reading from SSM)

44

Violation of communication of management with TCM

45

The module of management of VDC/TCM is faulty

46

Violation of serviceability of giving of food in 5 V

47

Violation of communication of the tire CAN

48

Violation in a line of communication between the module of management of ECM and VDC (reading without SSM)

48

The line of communication of EAS is closed on the weight (reading from SSM)

49

Violation of parameters of a signal of turns of the engine (reading without SSM)

49

Mistake in a line of communication from EGI to VDC (reading from SSM)

51

Violation of serviceability of functioning of the valvate relay

52

Violation of serviceability of functioning of an electric motor or its relay

61

Failure of primary valve of a cut-off

62

Failure of the secondary valve of a cut-off

63

Failure of primary soaking-up valve

64

Failure of the secondary soaking-up valve

71

Failure of the sensor of an angle of rotation of a steering wheel (shift/range of the sensor is excessive / the sensor is faulty / there is no output signal of the sensor)

72

Failure of the sensor of the taking-away moment (excessively entrance tension / basic tension / signal / shift sensor/range/day off a sensor signal)

73

Failure of the sensor of cross overloads (G) (excessively entrance tension / signal / shift/range of the sensor)

74

Failure of the sensor of pressure (excessively entrance tension / shift of primary or secondary sensor / excessively differential pressure of the sensor)

At detection in memory of the module of management of the listed below combinations of DTC it is necessary to begin with check, the first on the list, and in the absence of violations to pass to following.

Combination of codes

Probable source of violation

46, 74

Short circuit on weight in a chain of plugs No. No. 78, 68 or 69 of the F87 socket of the module of management of VDC (see an illustration 41.1)

44, 71

Break in a chain of plugs No. No. 81 or 83 of the F87 socket

51, 48, 71

Break in a chain of the plug No. 27 of the F87 socket

71, 51, 44

Break in a chain of the plug No. 27 of the F87 socket

72, 73

Break in a chain of the plug No. 63 of the F87 socket

Efforts of a tightening of threaded connections, Nanometer

Efforts of a tightening of threaded connections are given also in the text of the Head and on sopr. illustrations.

Bolts of basic arms of brake lines

15

Bolts of basic arms of fastening of flexible brake hoses to racks of a forward suspension bracket

32

Bolts of fastening of the valve limiter of pressure

18

Nipple bolts of fastening of flexible brake hoses to supports of brake mechanisms

18

Gate of pumping of a support of the brake mechanism

8

Bolts of fastening of a support of the brake mechanism

39

Bolts of fastening of an anchor bracket of the brake mechanism of a forward wheel

78

Bolts of fastening of a board of the brake mechanism

18

Bolts of fastening of basic arms of flexible hoses of brake mechanisms of back wheels

The horizontal

32

The vertical

18

Nuts of fastening of GTTs

14

Nipple nuts of fastening of brake lines to GTTs, the valve limiter of pressure and the valve

PHV/gidromodulyatoram ABS and VDC

15

Nuts of fastening of brake tubes to flexible brake hoses

15

Lock-nuts of fastening of the sensor switch of stoplights

8

Nuts/bolts of fastening of an arm of pedal assembly

18

Axial nut of fastening of a pedal of a foot brake (model with AT)

30

Bolts/nut of fastening of assembly of the lever of the parking brake

18

Adjusting nut of the lever of the parking brake

5.9

Bolts of fastening of the valve of deduction of pressure of PHV of the antiretractable device

18

Lock-nut of a driving cable of the PHV valve

3.4

Nuts of axial hairpins of fastening of the module of the ABS management/hydromodulator

18

Bolts of fastening of a basic arm of the module of the ABS management/hydromodulator

32

Nut of fastening of a basic arm of the module of the ABS management/hydromodulator

37

ebolta of basic arms of fastening of a lektroprovodka of wheel ABS sensors

32

Bolts of fastening of wheel ABS sensors

32

Nuts of fastening of the ABS G-sensor

7.4

Nuts of fastening of the module of management of VDC

7.5

Nuts of axial hairpins of fastening of the VDC hydromodulator

18

Bolts of fastening of a basic arm of the VDC hydromodulator

32

Nut of fastening of a basic arm of the VDC hydromodulator

37

Bolts of fastening of the assembly block of the relay to the VDC hydromodulator

13

Nuts of fastening of assembly of the sensor of the taking-away moment / cross overloads (G) of VDC

7.5