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Vane pump, hydraulic piping and reservoir up to year 2000 models: assembly overview > < Vane pump, filling reservoir, hydraulic piping

Leon Mk2

Vane pump supply pressure: checking
Vane pump supply pressure: checking
Special tools and workshop equipment required
   
t  Power steering tester -V.A.G 1402-
  W00-0117
t  Adaptor set -V.A.G 1402/6-
  Note
The adaptor -V.A.G 1402/6- is required in order to test the supply pressure. The tools 1, 2, and 3 in Figure N48-0188 form part of the adaptor set -V.A.G 1402/6-.
Test conditions:
l  Trapezoidal belt/trapezoidal belt tension correct
l  System leak-free
l  Hoses/pipes not bent or choked
–  Remove the central soundproofing pan.
–  Loosen the pressure pipe of the power steering box.
  W00-0119
–  Connect the manometer -V.A.G 1402- as shown in the figure. Open the shut-off valve on the manometer.
–  Top up the hydraulic oil -G 002 000-.
–  Start the engine and, if necessary, add more oil to the reservoir. Check that the hose connections do not leak.
–  Close the shut-off valve when the engine is idling (not more than 5 seconds), and read the pressure.
–  Specified value: 100 … 110 bar pressure
  Note
t  Replace the pump if the actual value is 5 bar over or below the specified value.
t  Assembly overview of vane pump for vehicles with 4-cylinder engines → Chapter.
t  Assembly overview of vane pump for vehicles with 6-cylinder engines → Chapter
t  If the steering knuckle pinion leaks, then the pipes and connections must be checked and, if necessary, retightened and cleaned until dry.
t  Replace the steering box if there are leaks in the steering pinion seal or in the sealing element of the rack, in the steering box. To check for leaks in the rack, the dust guard must be moved aside.
  N48-0188

Vane pump, hydraulic piping and reservoir up to year 2000 models: assembly overview > < Vane pump, filling reservoir, hydraulic piping