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Vane pump, filling reservoir, hydraulic piping > < Removal:

Leon Mk1

Installation
Installation
Installation is carried out in reverse order.
   
–  Check that white pressure diaphragm -arrow- is clean and undamaged.
–  Clean pressure diaphragm carefully if necessary.
  Note
Renew steering box if pressure diaphragm is damaged.
The threaded bushings of the steering box should sit well in the openings of the consoles.
  Note
t  Coat seal on steering box with suitable lubricant, e.g. soft soap, before installing steering box.
t  After fitting the steering box to the universal joint, make sure that the seal is not kinked when lying against the assembly plate and that the opening to the footwell is correctly sealed. Otherwise, there may be noise or water may get in.
t  Ensure sealing surfaces are clean.
Before inserting subframe bolts, position steering box on subframe and insert bolts for steering box and anti-roll bar.
–  Attach lower noise insulation → Rep. gr.50.
–  Bolt universal joint to steering box.
–  Connect battery → Rep. gr.27.
  N48-10309
Specified torques
Bolt unionThreadsTightening torque (Nm)
To subframe
→ Item		M10 x 7650+90° → Remark
To the insulating plate
→ Item		Self-threading M66
Ball joint to steering knuckle
→ Item		M12 x 1.520+90° → Remark
Track rod joint
→ Item		M16 x 1.550
Tie rod
on steering rack
→ Item		M16 x 1.5100
Crosshead to steering box → Item-30 → Remark

1)  Replace after each removal
   
Specified torques for pendulum support to gearbox
  Caution
From model year 2008, for screwing the pendulum support onto the manual gearbox 02Q, Heli coil sleeves are mounted on the threads. Identification → Rep. gr.34.
Use a bolt with hardness class 10.9 for this and all other gearboxes.
If there is no HeliCoil insert in the 02Q gearbox, use bolts with the strength class 8.8 and the corresponding torque setting.
Bolt.Tightening torque
M10 x 35 strength class 8.8
t  Use new bolt.
40 Nm and then turn 90° further
M10 x 35 strength class 10.9
t  Use new bolt.
50 Nm and then turn 90° further
M10 x 75 strength class 8.8
t  Use new bolt.
40 Nm and then turn 90° further
M10 x 75 strength class 10.9
t  Use new bolt.
50 Nm and then turn 90° further

–  Carry out the → basic adjustment of the steering wheel angle sender -G85- using the vehicle diagnostic, testing and information system -VAS 505X- → Vehicle diagnostic tester.
After installation, position of steering wheel must be checked during road test.
If steering wheel is crooked or a new steering box was installed, wheels must be aligned.
–  Check wheel alignment → Chapter
If a new steering box has been fitted, the power steering control unit -J500- should be adapted using the Vehicle diagnosis testing and information system -VAS 505X-.
–  Carry out the → basic adjustment of the power steering control unit -J500- using the vehicle diagnostic, testing and information system -VAS 505X- → Vehicle diagnostic tester.
   

Vane pump, filling reservoir, hydraulic piping > < Removal: