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Steering System - General Information: Maintenance Jaguar XF I

Steering 8 illustrations ~691 words

Fluid Leakage

Note. Confirm the location of the fluid leak. CLEAN the area of the leak, inspect the area and confirm the exact position. Ensure the fluid is not from another system on the vehicle.

SymptomPossible CausesAction
Power steering fluid leakageOverfilled systemCorrect the fluid level as required
Steering gearCheck and install new steering gear as required, refer to the new module/component installation note at the top of the Symptom Charts
Damaged fluid cap/reservoirCheck and install a new fluid cap/reservoir as required
Loose or damaged hoses and fittings O-ring or Dowty sealsTighten the hose connection or latch plate fixing to the recommended torque. Refer to: Specifications . Check and install new components as required Install new O-ring or Dowty seals as required
Fluid coolerCheck and install a new fluid cooler as required, refer to the new module/component installation note at the top of the Symptom Charts
Power steering pumpCheck and install a new power steering pump as required, refer to the new module/component installation note at the top of the Symptom Charts

Power Steering Fluid Condition Check

  1. Run the engine for 2 minutes.
  2. Check the power steering fluid system level.
  3. Observe the color and the odor. The color under normal circumstances should be dark reddish, not brown or black.
  4. Using a suitable clean syringe extract a suitable amount of fluid from the reservoir.
  5. Allow the fluid to drip onto a facial tissue and examine the stain.
  6. If evidence of solid material is found, the power steering fluid system should be drained for further inspection.
  7. If fluid contamination or steering component failure is confirmed by the sediment in the power steering fluid system, refer to Steering Fault Diagnosis by Symptom Charts in this section.

POWER STEERING SYSTEM FLUSHING

Note. If heavy steering or contamination within the power steering system is found, it is necessary to carry out the system flush procedure as detailed below. If any components have been replaced in the power steering system the procedure below must be carried out in full.

Note. Some variation in the illustrations may occur, but the essential information is always correct.

Scheme 7

Scheme 7: POWER STEERING SYSTEM FLUSHING
Scheme 7: POWER STEERING SYSTEM FLUSHING

Scheme 8

Scheme 8
Scheme 8

Scheme 9

Scheme 9
Scheme 9
  1. Remove the power steering fluid reservoir cap.
  2. Using a suitable syringe, remove the power steering fluid from the power steering fluid reservoir.
  3. Detach the power steering fluid reservoir. Detach but do not remove the power steering fluid reservoir. Release the power steering fluid return hose from the power steering fluid reservoir. If a quick release coupling is fitted to the power steering return hose, release the power steering fluid return hose from the coupling by removing the clip.
  4. Using a suitable blanking cap, cap the power steering reservoir return pipe.
  5. Attach a suitable pipe to the power steering return hose to allow the fluid to drain.
  6. Install a suitable funnel onto the power steering fluid reservoir.
  7. Raise and support the vehicle with the wheels just clear of the ground.
  8. Using the suitable funnel, top up the power steering system with the specified fluid. Make sure the fluid level is maintained at two thirds full in the funnel.
  9. Flush the power steering system. Start the engine With assistance turn the steering slowly lock to lock 3 times at approximately 1 revolution every 5 seconds. Continue to flush the power steering system until 4 liters of power steering fluid has been added to the power steering reservoir. This should take approximately 30 seconds.
  10. Remove the suitable funnel.
  11. Remove the suitable pipe to the power steering return hose.
  12. If a quick release coupling is fitted to the power steering return hose, connect the power steering fluid return hose to the coupling by installing the clip.
  13. Install a new power steering fluid reservoir. Refer to «Power Steering Fluid Reservoir - 4.2L/3.0L/2.7L Diesel»(ref-568445-S40814472612013072200000) and «POWER STEERING FLUID RESERVOIR V8 5.0L PETROL/V8 S/C 5.0L PETROL»(ref-568445-S24685145542013072200000) information.

Scheme 10

Scheme 10: DRAINING
Scheme 10: DRAINING

Scheme 11

Scheme 11
Scheme 11

Scheme 12

Scheme 12
Scheme 12
  1. Raise and support the vehicle.
  2. Refer to: «Air Deflector»(ref-568406-S42840487662013072200000)

Scheme 13

Scheme 13: FILLING
Scheme 13: FILLING

Scheme 14

Scheme 14
Scheme 14
  1. Torque: 20 Nm
  2. Lower the vehicle.
  3. Fill the power steering reservoir.
  4. Install the vacuum hand pump to the power steering fluid reservoir.
  5. Apply a vacuum to the power steering fluid reservoir.
  6. Remove the vacuum hand pump from the power steering fluid reservoir.
  7. Fill the power steering reservoir.
  8. Run the engine for 30 seconds. Turn the steering fully lock-to-lock, stop the engine.
  9. Install the vacuum hand pump to the power steering fluid reservoir.
  10. Apply a vacuum to the power steering fluid reservoir.
  11. Remove the vacuum hand pump from the power steering fluid reservoir.
  12. Fill the power steering reservoir.
  13. Run the engine for 30 seconds. Turn the steering fully lock-to-lock, stop the engine.
  14. Install the vacuum hand pump to the power steering fluid reservoir.
  15. Apply a vacuum to the power steering fluid reservoir.
  16. Remove the vacuum hand pump from the power steering fluid reservoir.
  17. Fill the power steering reservoir.
  18. Run the engine for 30 seconds. Turn the steering fully lock-to-lock, stop the engine.
  19. Check for fluid leaks.
  20. Refer to: «Air Deflector»(ref-568406-S42840487662013072200000)

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