steering CITROEN C6 2005 Workshop Manual

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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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AXLES
SUSPENSION
STEERING
Tools.
[1]Pipe spanner: FACOM 18.17
[2]Set of 2 hoseclamps: 4153-T
[3] Pressure checking assembly:
[3a]Pressure gauge: (-).0710.AZ
[3b]Checking tube: Pressure gauge to tap: (-).0710.B1
[3c]Checking tube: High pressure pipe to tap: (-).0710.B2
[3d]Checking tube: High pressure pump to tap: (-).0710.B3
[3e] 3-waytap: (-).0710.C
[4]Union: (-).0710.E1Z
[5]Union: (-).0710.E2Z
[6] Plug for checking sealing of the steering valve: (-).0410.N
Precautions to be taken.
Work with care to avoid entry of polluting particles.
NOTE:Correct operation of the system requires the LDSfluid and the hydraulic components
to be perfectly clean.
Check:
- The level of the LDSfluid (see procedure: drain-fill-bleed the suspension circuit).
- The condition of the piping and unions.
Using the tools.
Prepare the checking assembly [3], [4]and [5].
Remove the bracket (1).
Clamp the pipe at "a", using tool [2].
Uncouple and move aside the piping (2), using tool [1].
E5AP2PNDB1BP3GPD
CHECKING THE STEERING ASSISTANCE PRESSURE (ES9A ENGINE)
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AXLES
SUSPENSION
STEERING
Attach the tool [3a].
Do up:
- The union [5]on the pipe (2).
- The union [4]on the steering assistance pump.
Connect the assembly [3]to the unions [4]and [5].
Tighten all the unions.
Remove the tool [2].
Open the tap [3e].
Start the engine and allow it to run for 5 seconds.
Stop the engine.
Move the steering several times in each direction.
Check that there are no leaks.
Checking the steering assistance pump pressure.
Start the engine.
Close the tap[3e]for 5 seconds.
Open the tap [3e].
Accelerate between 1200and 1500 rpm, the pressure should be: 115 ± 5 bars.
Stop the engine.
If the steering assistance pump pressure is correct, check the sealing of the valve.
B1BP3GQDB1BP3GRD
CHECKING THE STEERING ASSISTANCE PRESSURE (ES9A ENGINE)
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AXLES
SUSPENSION
STEERING
Checking the valve sealing.
Remove the exhaust line (3).
Move aside the heat shield from the steering mechanism.
Slacken the union (6)on the power steering ram.
Remove:
- The screw (4).
- The bracket (7).
Uncouple the two supply pipes (5)from the distributor valve, and move them aside.
Fit on the distributor valve the tool [6], tighten the screw to: 0,8 ± 0,1 m.daN.
Couple two pipes at the outlets of the pipes (5).
Move the steering slowly from lock to lock, to drain the ram.
Collect the LDSfluid in a tray.
Refit the exhaust line (3).
Open the tap [3e].
Start the engine.
Hold the engine speed between 1200and 1500 rpm.
Hold the steering at full lock to the right, then at full lock to the left.
The pressure should adjust to: 115 ± 5 bars.
B1JP08WDB3EP185D
CHECKING THE STEERING ASSISTANCE PRESSURE (ES9A ENGINE)
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AXLES
SUSPENSION
STEERING
Remove:
- The exhaust line (3).
- The tool [6].
Couple the two supply pipes (5)on the distributor valve.
Refit:
- The bracket (7).
- The screw (4), tighten to 0,8 ± 0,1 m.daN.
Retighten the union (6)on the power steering ram; tighten to 1,4 ± 0,35 m.daN.
Refit the exhaust line (3).
Pinch the pipe at "a", using tool [2].
Remove:
- The assembly [3].
- The union [5]on the pipe (2).
- The union [4]on the steering assistance pump.
Couple the pipe (2), using tool [1].
Tighten the pipe (2)to 2 ± 0,2 m.daN.
Refit the bracket (1).
Bleed the hydraulic steering assistance circuit (see corresponding operation).
Top up the level of the LDS fluid (see procedure: drain-fill-bleed the suspension circuit).
B1JP08WDB3EP185D
CHECKING THE STEERING ASSISTANCE PRESSURE (ES9A ENGINE)
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AXLES
SUSPENSION
STEERING
Precautions to be taken.
Proceed with care so as to prevent any entry of polluting particles.
IMPERATIVE: Respect the safety and cleanliness requirements.
IMPERATIVE: Fill the LDS fluid reservoir with new fluid: TOTAL LDS.
Bleeding.
Check the level and top up the LDSfluid (see procedure: drain-fill-bleed the suspension circuit).
Apply a pressure of 0.5 barin the LDSfluid reservoir (using tool FACOM 920).
Start the engine.
Wait for the vehicle height to stabilise.
Move the steering in each direction, from lock to lock.
Stop the engine.
Check the level and top up the LDSfluid (see procedure: drain-fill-bleed the suspension circuit).
BLEEDING THE HYDRAULIC STEERING ASSISTANCE CIRCUIT
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AIR
CONDITIONING
SPECIAL FEATURES: AIR CONDITIONING SYSTEM (R 134.a)
Pollen filter
The pollen filter is located on the driver's side under the dashboard to the
right of the steering column.IMPERATIVE: Respect the safety and cleanliness requirements.
Removing.
Remove the trim (1)under the dashboard (driver's side).
Release the tab at "b".
Tilt, lift and remove the cover (2).
Remove the pollen filter (3).
NOTE:If the tab "b"is damaged, position a screw for soft materials at "a".
Refitting.
Refit the various components in reverse order to removal.
C5FP0S1CC5HP1BDD
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