CITROEN C6 2005 Owners Manual

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AXLES
SUSPENSION
STEERING
Tools.
[1]Pliers for clic clips: 4121-T
[2] LEXIAdiagnostic tool: 4171-T
[3] PROXIAdiagnostic tool: 4165-T
Draining.
Start the engine.
Place the vehicle in the low position.
Stop the engine.
Raise and support the vehicle, wheels hanging.
WARNING: The LDS fluid reservoir is pressurised.
Open the cap of the LDSfluid reservoir.
Remove:
- The front RH wheel.
- The front RH splash-shield.
Remove the clip (1) using tool [1].
Uncouple the hose (2)from the LDSfluid reservoir.
Drain the LDSfluid reservoir.
IMPERATIVE: Any LDS fluid recovered must not be re-used.
B3FP7HED
DRAINING, FILLING AND BLEEDING THE HYDRAULIC SUSPENSION/STEERING CIRCUIT
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AXLES
SUSPENSION
STEERING
Filling.
Couple the hose (2)on the LDSfluid reservoir.
Refit:
- The clip (1).
- The front RH splash-shield.
- The front RH wheel.
Lower the vehicle.
"a"maximum level for the LDSfluid
Fill the LDSfluid reservoir up to the maximum level for the LDSfluid "a".
B3FP7HFD
DRAINING, FILLING AND BLEEDING THE HYDRAULIC SUSPENSION/STEERING CIRCUIT
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AXLES
SUSPENSION
STEERING
Bleeding.
Connect tool [2]or [3]to the vehicle's diagnostic socket.
Switch on the ignition.
Perform a global test.
Go into the menu:
- Variable damping.
- Bleeding the suspension circuit.
Follow the instructions on the screen.
Apply a pressure of 0.5 barin the LDSfluid reservoir (using a tool FACOM 920).
Start the engine.
Wait for the vehicle height to stabilise.
Place the vehicle in the high position.
Place the vehicle in the low position.
Move the steering in each direction, from lock to lock.
Stop the engine.
Check the LDSfluid level.
B3FP7HGD
DRAINING, FILLING AND BLEEDING THE HYDRAULIC SUSPENSION/STEERING CIRCUIT
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AXLES
SUSPENSION
STEERING
Checking and topping up the LDS fluid level.
NOTE:Checking the LDSfluid level is done with the vehicle in the forced low position
(hydraulic suspension circuit depressurised).
"a"Maximum level for the LDSfluid
"b"Minimum level for the LDSfluid
Open the cap (3).
If necessary, add LDSfluid up to the maximum level "a".
IMPERATIVE: A container of LDS that has been opened must be sealed and kept in a
clean place. A container of LDS has to be used up within two weeks of opening, after
which any unused LDS fluid must be disposed of.
B3FP7HGD
DRAINING, FILLING AND BLEEDING THE HYDRAULIC SUSPENSION/STEERING CIRCUIT
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AXLES
SUSPENSION
STEERING
(1)Driver's airbag
(2)Steering wheel
(3)Controls under the steering wheel
(4)Steering lock
(5)Fixing of steering wheel on the shaft of the steering column
(6)Steering column support
(7)Fixing of steering cardan on the distributor valve stem
C5FP0U2DB3EP17SD
POWER STEERING SPECIFICATIONS
Top of columnSteering column
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AXLES
SUSPENSION
STEERING
The steering mechanism with integral ram is fixed on the front subframe by twostuds.
The steering assistance valve has groove technology.
The hydraulic supply and return pipes are fixed on the steering assistance valve by means of
a flange.
The adjustment of the steering push-rod is via a screw plug «a».
IMPERATIVE: The toothed washers «b» must be placed between the steering mechanism
and the front subframe.
Engines ES9A/DT17BTED4.
Steering rack travel: 90 mm x 2.
Number of teeth on the distributor valve pinion: 9.
Steering ratio: 1/61,26.
Number of rotations of steering wheel (from lock to lock): 2,94.
Inner angle of lock: 37°25'.
Outer angle of lock: 31°36'.
B3EP17TD
POWER STEERING SPECIFICATIONS
Steering mechanism
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AXLES
SUSPENSION
STEERING
(8)Steering assistance valve
(9)Steering mechanism with integral ram
(10)Low pressure piping
(11)High pressure piping
(12)Power steering pump
(13)LDS fluid reservoir
LDS fluid reservoir.
The LDS fluidreservoir supplies the suspension circuit as well as the steering assistance
circuit (fluid: LDS TOTAL H50126).
Steering assistance pump with constant flow (engines: ES9A, DT17).
The power steering pump is driven by the accessories belt.
A stepper motor incorporated in the steering assistance valve modulates the steering assistance
as a function of the vehicle speed.
Regulation pressure: 115 ± 5 bars.
Diameter of the pulley of the power steering pump.
Engine ES9A : 128 mm.
Diameter of the pulley of the power steering pump.
Engine DT17BTED4 : 100 mm.
B3EP17UD
POWER STEERING SPECIFICATIONS
Steering assistance circuit
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AXLES
SUSPENSION
STEERING
Setting the steering rack mid-point.
IMPERATIVE: Respect the precautions to be taken prior to any operation (refer to the
brochure "Recommendations-precautions").
Preliminary operation.
Raise and support the vehicle on 2-column lift.
Remove (on the RH side):
- The clip (1).
- The clip (2).
Detach the steering rack protection gaiter.
Setting.
Turn the steering wheel to full LHlock.
Measure the dimension X.
Turn the steering wheel to full RHlock.
Measure the dimension Y.
Calculate the dimension L = (Y - X) : 2.
Position the steering rack to the dimension "L"(mid point of the steering rack).
Additional operation.
Refit:
- The protection gaiter.
- The clip (2).
- The clip (1)(new).
B3EP13UCB3EP13VD
POWER STEERING SPECIFICATIONS
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AXLES
SUSPENSION
STEERING
POWER STEERING: TIGHTENING TORQUES
Engines: ES9A - DT17BTED4
1 Steering wheel bolt 3,3 ± 0,52 Upper nuts 2 ± 0,33 Lower nuts 2 ± 0,34 Fixing of steering cardan on valve stem 2 ± 0,35 Union of hydraulic pipe on ram 1,4 ± 0,356 Fixing of supply pipes bracket on distributor valve 0,8 ± 0,17 Fixing of distributor valve on steering mechanism 2 ± 0,28 Steering ball-joint nut 3,5 ± 19 Locking nut for adjustment of steering track rods 5,3 ± 0,810 Fixing of steering rack ball-joint 9,0 ± 0,911 Steering mechanism stud 0,9 ± 0,212 Steering mechanism nut 14 ± 1,4
B3EP17HDB3EP17GD
Steering column
Steering mechanism with integral ram
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AXLES
SUSPENSION
STEERING
POWER STEERING: TIGHTENING TORQUES
Engines: ES9A - DT17BTED4
13 Fixation of steering assistance pump on support 2,5 ± 0,614 Fixation of pulley on steering assistance pump 0,8 ± 0,215 Fixation of pulley on steering assistance pump 2,2 ± 0,316 Fixation of steering assistance pump on support 2 ± 0,3
B3EP17KCB3EP17JC
Steering assistance pump:
ES9A engineSteering assistance pump:
DT17BTED4 engine
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