brake pads Citroen CX 1981 1.G Workshop Manual

Downloaded from www.Manualslib.com manuals search engine BRAKE VALVE
B. 45-8 a
Overflow return Rear brakes Front brakes
1. Snap ring
2. Spring
3. 1’ 0” ring
4. Plug
5. Thrust washer
6. Rear slide-valve
7: Front slide-valve
8. Spring
9: Thrust cup
10. Circlip
11. Rubber protective sleeve
12. Securing bush
13. Snap rings
14. Rubber damper
NOTE If the brake valve is not fitted with an external overflow return, it is incorporated in the operational
return ( Return to reservoir ).
WARNING Three types of brake valve fitted with a single return system incorporated in the operational return
have been used.
= is/
/it/i//g brake valve painted green with overflow pointing upwards
= _)IIII
fi/tirlg : brake valve with green paint mark, and overflow pointing downwards
_ i1.d
/it/i,l~q’: brake valve with green paint mark on L H side and overflow pointing downwards
I. CHARACTERlSTlCS
Main braking system :
- Disc brakes on all four wheels with r~u/iln/ct/ tlisrs at the front ( Sn/oo//~ I
front and rear ( I:sIN/~ s i
- Four pistons per brake unit. at the front
- Two pistons per brake unit, at the rear
- Power operated hydraulic control ( brake valve incorporated in system )
z The front braking system is supplied by the main accumulator ( c,~l~icI~~.s
rli/ll vrn~l//~/ SIC criug J or by the
the brake accumulator ( I’orr,< J’
s/ccrivg rc,/~iclc,s 1.
- The rear braking system is supplied by the rear suspension. and is fitted with a brake pressure limiter cn
I:SIUI(J vehicles
-
The inner half-unit at the front is in one piece with the swivel.
- The outer half-unit at the front is removable.
Handbroke ( Emergency brake ) :
w
Independent from the main braking system.
- Two independent brake pads acting on front discs.
- Ratio
- cx 2000 - 2 197 j ___._....._..._..._.........,............................................................................... 101 1
- All CX vehicles 2 1’j75 -
. . . . . . 123 1
Total braking area :
- Main braking system : 316 dm2 - 48.98 sq.in ( Snloor~s ) or 365 cm2 - 56.57 sq.in f f:sfrffcss )
v
Handbrake ( emergency brake ) 49 cm2 ( 7.59 sq.in )

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 450-00 : (:/~ornc.t(,ris/i(- c/r/d ,S/ICJC inl /c,c//r~rc,s ot the brcrkillg s~‘.stc~rt~ Op. MA. 450-00 9
Handbroke ( Emergency broke )
- Thickness of the lininq on one pad
4.15 mm _...... .._.......... _.. .,..........
- Type of lining .__............................._....._._..... .._.... .._.. .._.
TEXTAR T 270
- Area of one pad
._..
12 cm2 ( 1 86 sq in )’
- Adjusting the -pads the pads must just contact the disc at its highest points.
Tightening torques :
- Flexible brake pipe on front brake unit tube .............. ..... ....... ........... ........ 3 6 to 4daNm (26 to 29 ft.lb )
- Nut securing front brake pipe on subframe .................................................
2.1 to 2 4daNm (15 to 17 1/2ft.lb )
- Brake valve securing point .................. .............................. ........... ........ 1 8 daNm ( 13 ft.lb )
. Pedal assembly securing point .....................
...... ..................................
0 5 daNm ( 3 l/2 ft.lb )

Downloaded from www.Manualslib.com manuals search engine OPERATION No MA. 454-O : Lhcckiu~ avd adjnsfbrR fhe bandbrake op. MA. 454-u I CHECKING AND ADJUSTING THE HANDBRAKE
1.
Raise front of vehicle ( wheels free ).
Remove front wheels.
Release handbrake lever to maximum extent 2. Adjust eccentrics :
a) Remove adjustment nuts ( 1 ) and lock-nuts (2.)
for handbrake cables.
b ) O,,,‘varh hmokt~ ,,rzit :
Slacken SCI~WS (4) of eccentrics ( 6 ). Ensure
With spanner 6501-T turn eccentrics as shown f rrpu,ards ) until the pads just contact the disc
at point of maximum run-out.
Tighten screws (4) from 6 to 6.5 daNm (43 l/2
to 47 ft.lb ).
Check correct contact of pads.
Screw down stop SCI~W (3) until it contacts
the brake unit housing ( tighfrn its lock EN! 1, 3. Adjusting hondbrake control cables :
, On rnrh hrnkc ,,,, if:
Ensure <hat the sleeve and its stop (8) are
correctly positioned.
Pull alfcmnf~~iy on each threaded end-piece (7 )
ond measure its protrusion (< c 1).
.Example : Protrusion on right-hand side = 30 mm
Protrusion on left-hand side = 26mm Difference in length of cable must remain the
some after adiuitment.

Downloaded from www.Manualslib.com manuals search engine OPERATION N” MA. 510-00 a : Arrnr~g(,v~ ('I, I 0 / Ih CJ c~lvclric-cil irtslnllc7liori Op. MA. 510-00 a 3
(I.‘1975 -7 1975 J
-
den{
lark
i
6
8
9
0
1
2
3
4
5
6
7
8
9
!l
!2
!3
!4
!5
!6
!7
!8
$0
)l
12
33
34
35
36
37
38
39
41
42
43
44
45
46
47
- DESCRIPTION OF COMPONENTS
Description and Location
‘ront R.H. sidelamp ................................... 74
‘rant R.H. direction indicator .................. 21
1.H. headlamp main beam ................. ..... 78
dipped beam ... .................. 76
3.H. horn 42 .............................................
,.H. horn ....................... ............. ............. 41
,.H. headlamp main beam .......................
77
dipped beam .................... 75
‘rant L.H. sidelamp .........
........................
69
:ront L.H. direction indicator .................. 16
I.T. sensor ............................................ 64
qnition coil ..............................................
61
3lower
motor .........................................
58
;tarter ...................................................... 3
Alternator ..................................................... 5
Xstributor 61 ...................................................
7lectric fan thermal switch .........................
59
Zompressor for horns ................................. 43
Compressor relay ..... .................
.............. 42
3attery ........... ...............................................
1
Joltaqe regulator ....................... ............. 6
<ensor for No. 4 cylinder ............................ 64
Nindscreen washer pump ............. ............... 40
jacket for fault-finding ( diagnosfic) ....... 65
3il pressure switch .... ....................... ... 34
:dle cut-off ........................................... 60
3il temperature switch
35 .............................
Coolant temperature switch ....................... 30
T.D.C. sensor ......................................... 63
Switch for reversing lamps .......................... 8
Relay for window winder ............................. 49
Relay for heater unit 45
................... ..............
Relay for electric fan 58 ..................................
Front R.H. brake unit 28 ...............................
Windscreen wiper motor .............................. 38
Blower motor ................................................ 45
Hydraulic fluid pressure switch ................... 32
Stoplamp switch ........................................... 53
Fuse box ..... .................... 8-44-45-49-69-72
Front L.H. brake unit ........................... ... 26
Front R.H. door lighting switch ... ............
11
R.H. window-winder motor .......................... 51
Glove-box lighting ....................................... 51
Accessory terminal ......................................
5c
Lighting for pneumatic oil gauge .............. 3:
Front L.H. door lighting switch
.................. I[ L.H .
window-winder motor ........................... .47 DESCRIPTION C
No identification
AR
M
LG
TB
co
Front harness
Rear harness
Ynqine harness
dindow-winder harness
Instrument panel harness
Compressor harness jent.
/ark
4”9 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
iz
67
68
69
70 Description and Location Central interior lamp ............ 10
Cigar-liqhter and lighting
.............. 13-66
Ashtray liqhtinq ...................................
67
Handbrake warning lamp flasher unit
........ 15
Switch for R.H. window-winder
.............. 51
Switch for L.H. window-winder ................ 47
Flasher unit .............................................. 21
Anti-theft switch ......................... 4-8-44-61
Rheostat for fuel qauqe ............................ 25
Switch for interior lamp ... ....................
9
Switch for heated rear window ...................
14
Liqhting for heater controls ..................... 68
Contact for handbrake
............................... 115
R.H. control unit ( liqhtinq )
................... 72
Lighting rheostat for tacho. and speedo.
28
Lighting for intrument panel ................ 68-69
Tachometer
............................................ 64
Battery meter (thermal voltmeter )
.......... 26
Fuel gauge unit
..... ....... ....... ................ 25
Lighting for odometers
....... ......... .......... 28
Clock and lighting ................................ 24-67
Warning lamp for heated rear window
15 .......
Warning lamp for dipped beam 75
_, .................
Warninq lamp for brake pads ................... 27
Warninq lamp for oil temperature
............ 35
Warning lamp for water temperature
.......... 29
Red u STOP 1) warninq lamp
............... 31-33
Warninq lamp for hydraulic fluid presssure 31
Warninq lamp for hazard warning
17
...............
Warninq lamp for sidelamps .................... 70
Warning lamp for direction indicators ...... 23
Warninq lamp for main beam ................. 77
Warning lamp for handbrake
..................... 16
L.H. control unit
Direction indicators and hazard warning lamps .........................................................
19
Horns .......................................................... 41
Windscreen wiper motor ....... .................. 38
Windscreen washer pump .......................... 40
Rear R.H. lamp cluster
Sidelamp ...................................................
73
Stoplamp ....................... .............................. 53
Direction indicator ......................................
19
Reversing lamp ....................... .............
9
Boot lamp ................................................... I2
Heated rear window 14 .....................................
R.H. numberplate lamp ...............................
70
L.H. numberplate lamp ...........
.................... 72
Contact for boot lamp .............................
12
Rear L.H. lamp cluster - Sidelamp
........ 71
,- Stoplamp
.......... 52
- Dir. indicator .. 18
- Rev. lamp ......... 8
IG HARNESSES
Boot harness
Boot-lid harness
Diagnostic harness
Handbrake harness
Flying lead

Downloaded from www.Manualslib.com manuals search engine DESCRIPTION OF COMPONENTS
dent.
Ident.
Description ond Location
n ark Description and Location
mark
1
Front R.H sidelamp
74 53
Switch for L.H. window-winder .,, 47
Front R H direction indicator
21 54 Flasher unit
.... 21
2 R.H. headlamp
main beam
78 55 Anti-theft switch
4-a-44-61
dipped beam
76 56 Rheostat for fuel gauqe
,.. 25
4 Horn
41 57
. Switch for interior lamp .,. 10
5 L.H headlamp main beam
.., .., ,.. 77 58
Switch for heated rear window
14
dipped beam”: 75 59 Lighting for heater controls _.. 68
6 Front L H sidelamp
.,. 69 60
Contact for handbrake .._....
16
Front L.H. direction indicator ,.... ._. _._.. 16 61
8 R.H control unit (lighting )
72
H T
sensor connector ,. 64
Lighting rheostat for tacho and speed0
28
9
Ignition coil ,.,
61 62 Lighting for instrument panel 68-69
10
Blower motor 58
Tachometer
.,.
64 11
Starter 3 Battery meter ( thermal voltmeter ) 26 12 Alternator ..I
5
Fuel gauqe unit 25 13
Distributor
61 14 Lighting for odometers _. 28 Electric fan thermal switch 59
Clock and lighting .._.. .,. 24-67
15
Compressor for horns 43 Warning lamp for heated rear window
15 16 Compressor relay 42 Warning lamp for dipped beam
_.. 75 17
Battery 1 Warninq lamp for brake pads 27 18 Voltage regulator . . . . . . . . . . 6 Warning lamp for oil temp. ,,_.. 35
19
Sensor for No 4 cylinder
64 Warning lamp for water temp. ..._.,,, ,,,,. 29 21
Windscreen washer pump ... .. ......
40 Red (( STOP )) warning lamps
31-33 22
Socket for fault-finding (diagnostic) .‘.‘.... 65 Warninq lamp for hydraulic fluid pressure
31 23
Oil pressure switch 34 Warning lamp for hazard warning
17 24 Idle cut-off .._........ 60
Warning lamp for sidelamps
70 25
Oil temperature switch 35 Warning lamp for direction indicators 23 26
Coolant temperature switch 30 Warninq lamp for main beam .‘..... 77 27 ‘I’D f-, SenSOr 63
Warning lamp for handbrake ... .‘........-.. 16 28
Switch for reversinq lamps ... ... ....... 8 63 L H control unit 30
Relay for window -winder ... ... .‘........ 49 Direction indicators and hazard warning 31
Relay for heater unit 45 lamps .,. .,...._ .,. .._ 19
.,. .._.......... 32
Relay for electric fan 58 Horns 41 33
Front R H. brake unit
.._.. 28 Windscreen wiper motor
..,.... 38 34
Windscreen wiper motor
_.............. 38 Windscreen washer pump
.._...... 40 35
Blower motor, ,._..._._....._._..._........ 45 64 Rear R.H. lamp cluster 36
Hydraulic fluid pressure switch _..._......... 32 Sidelamp .._...... 73
37
Stoplamp switch 53 S toplamp
_. _. _. _. _. _. _. 53
.._..............
38
Fuse box 8-44-45-49-69-72 Direction indicator
19
_.. _._.. 39
Front L.H. brake unit
. .._.._............... 26 Reversing lamp 9 41
Front R.H. door interior lamp switch 10
6665 Boot lamp .._. ._. 13
42
R.H. window-winder motor ..- 51 Heated rear window
14 43
Glove&or lightinq .._............ 51 67 R.H. number plate lamp 70
44
Accessory terminal 50 68 _..,......... L.H. number plate lamp
72 45
Lighting for pneumatic oil qauge 33 h9 Contact for boot lamp .._.. .._. .._........ 12 46
Front L.H. door interior lamp switch 9 70 Rear L.H. lamp cluster
- Sidelamp
71 47
L.H. window-winder motor ..: 47 - Stoplamp .._._... 52
48
Central interior lamp
10 - Direct. indic. 18 49
Cigar-lighter and lighting 9-66 - Reversing lamp 8
.._....
50 Ashtray lighting 67 71 Map-reading lamp f Pnl/ns ) .._..._....._.
66
_._......._...................... 51
Handbrake warning lamp flasher unit .._._.._ 15 72-73 Rear R.H. and L.H. door int. lamp switches 52
Switch for R.H. window-winder _..._.. 51 (P(/llgs ) 1 l-12 74-75 Rear R.H. and L.H. int. lamps ( f’nlins ) 1 l-12 DESCRIPTION OF WIRING HARNESSES
No identification PC
Boot lid harness mark
Front harness D <( Diagnostic )) harness AR
Rear harness P.AR Rear interior lamps.harness f I’n//nc )
M Engine harness F
Rear door interior lamp switch harness (Pflj/~.s LG
Window-winder harness MC1 Centre console earth lead( Pall~.~,’ S~/jczr ) TB
Instrument panel harness MC2 Centre console earth lead
co Compressor harness Flying lead UF
Front brake pad wear harness C: Contact harness for reversing lamps
C Boot harness

Downloaded from www.Manualslib.com manuals search engine Op. MA. 510-00 b 11 DESCRIPTION OF COMPONENTS
lent.
lark Description and Location Ident.
mark Description and Location
1
Front R.H. sidelamp
........................ 79
54 Switch for L.H. window-winder
..... ....... 52
Front R.H. direction indicator
.............. 26 55 Flasher unit
26 ....................................
2 R.H. headlamp - main beam ............... 83 Lighting for heater controls
................... 73
L dipped beam
........... 81 “5;
Switch for interior lamp
10 ..........................
4 Horn
.... 46 58 Switch for heated rear window
................ 19 ..................................
5 L.H. headlamp main beam
82 59 Rear screen wiper switch
.................... 15
Front L.H. sideli?pped..beam ... 80 60 Contact for handbrake
..................... 21
6 ............... ..
74 61 R.H. control unit ( lighting )
............... 77
Front L.H. direction indicator
............ 21 Lighting rheostat for tacho and speed0
.... ..3 3
8 H.T. Sensor .................................
69 62 Lighting for instrument panel
........ 73-74
9 Ignition coil
........................... 66
Tachometer .............................
69 10
Blower motor ...............
.................
63 Battery meter (thermal voltmeter )
........ 31 11 starter
...............................................
3 Fuel gauge unit ................ ..... ...... 30
12 Alternator ............................................
5 Lighting for odometers
...................... 32-33 13 Distributor
.... ......... .......... ..........................................
66 Clock and lighting
29-72 14
Electric fan thermal switch 64 Warning lamp for heated rear window ......
................. 20
15
Compressor for horns ........................... 48 Warning lamp for dipped beam
................. 80 16
Compressor relay .............................. 47 Warning lamp for brake pads
................... 32 1’;
Battery ...........................................
1 Warning lamp for oil temp. ...................... 40
Voltage regulator .............................. 6 Warning lamp for water temp. ............. 34
19
Sensor for No. 4 cylinder ....................
69 Red (( STOP )) warning lamp ..... ..... 36-38
:: Windscreen washer pump ....... ................. 45
Warning lamp for hydraulic fluid pressure 36
Socket for fault-finding (diagnostic )
.... 70 Warning lamp for hazard warning
....... 22 23
Oil pressure switch ..........................
39 Warning lamp for sidelamps .......
.......... 75 :“5
Idle cut-off ....................................... 65 Warning lamp for direction indicators ...... 28
Oil temperature switch ..................... ... .. 40 Warning lamp for main beam
........... 82
:; Coolant temperature switch
.....................
35 ,Warning lamp for handbrake
............... 21
T.D.C. sensor .......................................... 68 63
L.H. control unit
28 Switch for reversing lamps ....................... 8
Direction indicators and hazard warning
24
29 Relay for window-winder ........................
54 1
Horns 46 .............. ............... ..........
30 Relay for heater unit
........................
50 Windscreen wiper motor
.. .............. 43
31
Relay for electric fan ................
63 Windscreen washer pump .................... 45
32
Front R.H. brake unit
.................... 34 64 Fuel gauge rheostat ..............................
30
33 Windscreen wiper motor ........................... 12
................ 43 65 Rear interior iamp
34 Blower motor 50 66
Rear screen washer pump ...................
17
................... ................. 35
Stoplamp switch
58 67 Rear screen wiper motor
.......................... 13
..........................
36 Hydraulic fluid pressure switch
37 68 Heated rear window ...............................
19
..............
;‘8 Fuse box 8-49-50-54-74-77 ;; Rear screen wiper timer ....................
15
............. .........
Front L.H. brake unit
............................... 31 Rear R.H. lamp cluster
39 Front R.H. door lighting switch’
............ 10 Sidelamp
.......................................... 78
10 R.H. window-winder motor
................... 56 Stoplamp ..............................................
53 11
Glove-box lighting 59 Direction indicator ..................................
24 ...... ...........................
42
Lighting for ashtray 72 Reversing lamp ... ........... ............ .......
9 .....................
43 Accessory terminal (radio ) .................. 56 71
R.H. number plate lamp .......................... 75
44
Lighting for oil gauge ........................ 38 72 L.H. number plate lamp ............... ... ....... 77
45
L.H. front door lighting switch
...........
9 73 Rear L.H. lamp cluster
46 L.H. window-winder motor
76 ..................... 52 Sidelamp
.............................................
47 Central interior lamp 57
..........................
10 Stoplamp
..........................................
48
Cigar-lighter and lighting ...............
9-71 Direction indicator 23 .........................
49 Handbrake warning lamp flasher unit ....... 20 Reversing lamp
8 ................................
50 Anti-theft switch
.......................... 4-8-4966
53 Switch for R.H, window-winder
............ 56 IDENTlFlCATlON OF WIRING HARNESSES
No mark
RD
LMG TB
co UF
Front wiring harness RG Rear L.H. harness
Rear R.H. harness H Rear door harness
Engine harness D
Diagnostic harness ( fault-finding )
Window-winder MC1
Centre console earth lead
Instrument panel MC2 Centre console earth lead
Compressor FV
Flying lead
Front brake pad wear CFR Reversing iamp switch harness