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Checking the power steering system for leaks > < Filling and bleeding the power steering system and checking tightness

Fabia Mk1

Filling and bleeding the power steering system
Filling and bleeding the power steering system
Special tools and workshop equipment required
t  Vehicle system tester -V.A.G 1552- or vehicle diagnosis, measurement and information system -VAS 5051-
t  Removal and installation pliers, e.g. -VAS 5024-
t  Catch pan (commercially available)
t  Extraction bottle (commercially available)
t  Jumper cable (commercially available)
t  Hydraulic oil → Chapter
  Note
t  Hydraulic oil amount in the system: approx. 0.80 ltr.
t  The screwed lid for filling the power steering system with hydraulic oil is located in a recess on the frame side rail in the left section of the engine compartment.
t  Because of the different dimensions of the battery the screw cap of the hydraulic oil reservoir on certain vehicle versions is concealed by the battery tray and battery. If this is the case remove the air filter, the battery and the battery tray → Electrical System → Rep. gr.27.
t  Only fill up an empty hydraulic system when engine is cold.
t  Hydraulic oil → Chapter
t  Hydraulic oil amount in the system: approx. 0.80 ltr.
t  Use new hydraulic oil only.
t  Topping up hydraulic oil → Chapter
t  Check the hydraulic oil level with the dipstick of the screwed lid of the engine pump aggregate reservoir.
t  Do not refer to the „MAX“ and „MIN“ markings on the reservoir to check the hydraulic oil level.
–  If necessary remove air filter → Engine, Fuel Injection → Rep. gr.24 (petrol engines) or → Engine, Fuel Injection → Rep. gr.23 (diesel engines).
   
–  Fill the engine pump aggregate reservoir -2- with hydraulic oil and check the hydraulic oil level with the screwed lid dipstick -1-.
For checking the hydraulic oil level, screw the screwed lid hand-tight to the reservoir.
  Note
t  The correct oil level can only be determined for a fully screwed in screwed lid.
  S48-0147
t  Pay attention to the different appearances of „Min“ and „Max“ markings at oil dipstick of the screwed lid for the reservoir of TRW and KOYO.
–  For an empty power steering system fill with enough hydraulic oil to reach the top marking -arrow B- or „Max“ on the oil dipstick.
   Arrow A - bottom marking on screwed lid of TRW
   „MIN“ - bottom marking on screwed lid of KOYO
  Caution
Observe the applicable safety instructions for disconnecting the battery with jumper cables!
–  If necessary connect removed battery to jumper cables.
–  If necessary install air filter → Engine, Fuel Injection → Rep. gr.24 (petrol engines) or → Engine, Fuel Injection → Rep. gr.23 (diesel engines).
–  Raise the vehicle until the front wheels are fully off the ground.
–  Put the wheels in straight-ahead position.
–  Unscrew the screwed lid of the hydraulic oil reservoir.
–  With the engine off turn the steering wheel 10 x from stop to stop.
–  Check the level of hydraulic oil, top up with oil if necessary → Chapter
–  Loosely screw on the screwed lid of the hydraulic oil reservoir, do not tighten.
–  Start engine and run for approx. 10 seconds.
–  Switch off engine.
–  Check the level of hydraulic oil, top up with oil if necessary → Chapter
–  Loosely screw on the screwed lid of the hydraulic oil reservoir, do not tighten.
–  Repeat the following steps until the hydraulic oil level no longer drops. The hydraulic oil level must reach the top marking.
t  Start engine.
t  Turn steering wheel 10 x from stop to stop.
t  Switch off engine.
t  Check the level of hydraulic oil, top up with oil if necessary → Chapter
–  Screw the screwed lid onto the engine pump aggregate reservoir.
  Note
Any residual air in the steering system will automatically escape while driving for approximately 10 to 20 km.
–  Disconnect the jumper cable.
–  If necessary re-install the air filter.
Only run through the following steps if the battery has been disconnected and the battery, battery tray and air filter have been removed.
–  If necessary install the battery and battery tray → Electrical System → Rep. gr.27.
  Note
Pay attention to the measures after re-connecting the battery → Electrical System → Rep. gr.27.
–  Install air filter → Engine, Fuel Injection → Rep. gr.24 (fuel engines) or → Engine, Fuel Injection → Rep. gr.23 (diesel engines).
  S48-0226
Tightening torques:
Pressure line to engine pump aggregate TRW30 Nm
Pressure line to engine pump aggregate KOYO29 Nm
Screwed lid on hydraulic oil reservoirtightened by hand
Wheel bolts120 Nm

   

Checking the power steering system for leaks > < Filling and bleeding the power steering system and checking tightness