Hydraulic Power Steering Gear Overview

Special Tools And Workshop Equipment Required 

• Torque wrench:V.A.G 1332 
• Hose clamp pliers:V.A.G 1921 
• Locking pliers:VAS 6199 

Fig 1: Exploded View Of Hydraulic Power Steering Gear, Servicing

Courtesy of AUDI OF AMERICA, LLC

1. Tie Rod End
   • Different versions, with long or short thread on the joint pin, allocation refer to the Parts Information.
     WARNING:

     When replacing, make sure the length of the thread on the tie rod end is sufficient (there must be approximately 5 mm extra thread). If this is not the case, then install a tie rod end with a longer thread pin, allocation Parts Information.

   • Check dust caps for damage and correct seating.
   • Removing and installing, refer to TIE ROD END .
2. Nut
   • 60 Nm
3. Spring Clamp
   • Always replace if removed.
   • For the correct version, refer to the Parts Information.
4. Boot
   • Check for damage.
   • Do not twist after adjusting the toe.
   • Can be replaced with steering gear installed.
   • Replacing, refer to BOOT .
5. Clamp
   • Always replace if removed.
   • Clamping sleeves, installing Installing .
6. Tie Rod
   • 90 Nm
   • Removing and installing, refer to TIE RODS .
   • Grease joint with steering gear grease.
7. Steering Gear
   • Grease joint with steering gear grease.
   • Different versions, refer to the Parts Information.
8. Strainer
   • Always replace if removed.
9. Seal
   • Always replace if removed.
10. Seal
    • Always replace if removed.
11. Servotronic Solenoid Valve -N119-
    • Removing and installing, refer to SERVOTRONIC SOLENOID VALVE -N119- .
    • follow values can be requested vehicle diagnostic tester:
      • Speed signal
      • The voltage supply from Vehicle Electrical System Control Module 2 -J520-.
      • Solenoid valve status.
      • Measured current for solenoid valve control.

      -- Connect vehicle diagnostic tester and select troubleshooting using "Functions/Component selection".

      -- Then "body".

      -- Select "Electrical system".

      -- "01- On Board Diagnostic (OBD) capable systems".

      -- "vehicle electrical system control module".

      -- "Electrical components".

      -- "Servotronic solenoid valve".

12. Bolt
    • 3 Nm
      CAUTION:

      • Always follow screw tightening sequence.
    • Tightening sequence, refer to Servotronic Solenoid Valve -N119- .