Wheel Citroen XSARA PICASSO 2004 1.G Workshop Manual

Downloaded from www.Manualslib.com manuals search engine 430
BRAKES
BRAKE SPECIFICATIONS
Braking circuit with ABS REF
(a) Hydraulic circuit
(b)Electrical circuit
(1)Master cylinder in tandem
(2) Braking servo
(3)Brake caliper (or drum at the rear)
(4) Hub equipped with a bearing with an integral magnetic wheel
(48 pairs of poles)
(5) Wheel sensor
(6) Brake fluid level sensor
(7) Hydraulic block plus ECU
(8)Stoplamp switch
(9)Instrument panel
(10)Diagnostic socket
(11)Builtin systems interface (BSI)
B3GP02RP
C3 C3 PLURIEL

Downloaded from www.Manualslib.com manuals search engine 433
BRAKES
BRAKE SPECIFICATIONS
Evolution: rear wheel cylinder (applies from RPO 9667)
C3 C3 Pluriel
Evolution.
New wheel cylinders at the rear, with cutoff pressure 27 bars instead of 35 bars.
Assembly.
(1)
Rear wheel cylinder.
Repair.
IMPERATIVE:The mixing of the old and new components is STRICTLY FORBIDDEN.
WARNING:
Identify the type of assembly prior to starting a repair.
ESSENTIAL: Systematically replace the wheel cylinders on both sides on the same axle.
Replacement parts.
Replacement Parts will market only the components for the new assembly.
C3 C3 PLURIEL

Downloaded from www.Manualslib.com manuals search engine 435
BRAKES
B3FP16ED
HANDBRAKE (Adjustment)
Adjustment (continued).
(10)
Nut for adjusting cable tensions
Remove:
The rear wheels.
The drums
(according to version).
Release the handbrake.Use a gauge set to measure at
«a»the travel of the lever
from its stop.
Adjust the nut
(10)to obtain a travel of less than or equal
to 1 mmat «a».
Refit the brake drums without tightening them (accor
ding to version).
Action the handbrake lever 8 times with an effort of
40 m.daN.
With the handbrake released, check the travel of the
lever at
«a», using a gauge set.NOTE:The travel should be less than 1 mm and more
than 0,05 mm.
Refit: The brake drums.
The wheels.
The central console.Check the operation of the handbrake.
C3 C3 PLURIEL

Downloaded from www.Manualslib.com manuals search engine 437
BRAKES
B3FP15YCB3FP15ZD
BLEEDING AND FILLING THE BRAKING SYSTEM (Continued)
Bleeding the primary braking circuit.
WARNING:The ABS should not be active during the
bleeding operation.
Front brake caliper, Bleed screw
(5).A: Rear brake caliperB: Rear brake drum
Bleed screw
(6).
Bleed each wheel cylinder, proceeding in the following
order:
Front LH wheel.
Front RH wheel.
Rear LH wheel.
Rear RH wheel
C3 C3 PLURIEL

Downloaded from www.Manualslib.com manuals search engine 442
BRAKES
BRAKE SPECIFICATIONS XSARA
Braking system specifications
“X”braking circuit.
Front: disc brakes, ventilated
(according to model).
Rear: drum brakes with automatic adjustment.
Cable operated handbrake acting on the rear wheels.
(1)Hydraulic valve block «ABS Bosch 5.3» or(1)Hydraulic valve block «ABS Bosch 5.3 REF» or(1)Hydraulic valve block «ABS with ESP Bosch 5.7».
(2) Load sensitive braking compensator (according to model).
B3FP09HCB3FP09JC
2
1

Downloaded from www.Manualslib.com manuals search engine 447
BRAKES
BRAKE SPECIFICATIONS
Braking circuit with ESP (BOSCH 5.7)
(A) Hydraulic circuit(B) Electrical circuit
(1)Master cylinder in tandem(2)Braking servo(3)Brake caliper (or drum at the rear)(4)Toothed wheel(5) Wheel sensor(6)Brake fluid level sensor(7)Hydraulic block plus ECU(8) Stoplamp switch(9)Instrument panel(10)Diagnostic socket(11)Builtin systems interface (BSI)(12)Steering angle sensor(13)Gyrometer/accelerometer sensor(14)Switch
B3HP004P
XSARA

Downloaded from www.Manualslib.com manuals search engine 448
BRAKESBRAKE SPECIFICATIONS
Electrical circuit
ComponentsRef.
SupplierPart no.Observations
42wayconnector.
Integral to the hydraulic block..Changing only the ECU is prohibited.
2waygrey connector.
The sensors are inductivetype.Tightening torque:
0,8 ± 0,2 m.daN.
2waygrey connector.
The sensors are inductivetype.Mounted on the brake caliper support.
Nonadjustable airgap:
0,3 to 1,2 mm.
Tightening torque:0,8 ±0,2 m.daN.
2waygrey connector.
The sensors are inductivetype.
Mounted on the suspension arm.
Nonadjustable airgap:
0,3 to 1,2 mm.
Tightening torque:0,8 ±0,2 m.daN.
Incorporated in the COM 2000.
6wayblue connector.
Located on the central console.
6way connector.
Toothed wheel:
48 teeth.
Integral with the driveshaft stub housing for
the front wheels, joined to the hub bearing for
the rear wheels.
XSARA
5.7 ESP
0 265 006 389
0 265 006 202
0 265 006 203
0 265 006 441 BOSCH
VALEO
BOSCH
GKNElectronic
ECU
Front wheel sensor
Rear wheel sensor
(disc brakes)
Rear wheel sensor(Saloon: drum brakes)
Rear wheel sensor(Estate: drum brakes)
Steering angle sensor
Gyrometer/accelerometer sensor
Toothed wheel7
5
12
13
4

Downloaded from www.Manualslib.com manuals search engine 449
BRAKES
BRAKE SPECIFICATIONS
Gyrometer sensor
(7) Hydraulic b lock
C4AP17YCB3HP002C
Observations
P art no.
Supplier
Components
XSARA
ESP
hydraulic blockBOSCH 5.7 ESPLocated on the front LH
wheelarch:4adjustment channels.
IMPERATIVE:Respect the direction of fitting of the gyrometer/accelero
meter sensor (connector towards the rear of the vehicle).
WARNING:The gyrometer/accelerometer sensor should not be subjected to any impact.Any gyrometer/accelerometer sensor havingsuffered an impact must be replaced.Tightening torque (15):0,6 ± 0,1 m.daN.

Downloaded from www.Manualslib.com manuals search engine 450
BRAKES
HANDBRAKE
XSARA
Checking and adjusting the handbrake.
Remove the handbrake console.
Jack up and chock the vehicle with the rear wheels hanging free. Check the correct routing of the brake cables under the vehicle.
Apply and release the handbrake ten times. Set the handbrake to the
3rd notch.
Tighten the nut (1)until the rear brakes are applied.
Pull the handbrake lever vigorously 4 to 5 times.
Set the handbrake to the 3rd notch.
Check that the rear brakes are applied.
Check that the wheels can be turned freely by hand with the
handbrake released.
Lower the vehicle. Refit the handbrake console.
B3FP095D

Downloaded from www.Manualslib.com manuals search engine 451
BRAKES
BLEEDING THE BRAKESXSARA
Bleeding:The brakes can be bled either:
using brake bleeding equipment, in which case the pressure of the equipment should be set to 2 Bars.
or in the conventional way.
IMPERATIVE order of bleeding
Wheels:
Rear Right.
Front Left. Rear Left.
Front Right.
Top up using brake fluid supplied by
CITROEN Replacement Parts.