Steering Gear, Servicing, Hydraulic Power Steering Gear

Special Tools And Workshop Equipment Required 

• Torque Wrench 1332 40-200 Nm :VAG1332 
• 9" Mobea Heater Hose Clamp Pliers:HCP10 
• Locking Pliers:VAS6199 
• Steering Gear Grease

Fig 1: Hydraulic Power Steering Gear, Servicing

Courtesy of AUDI OF AMERICA, LLC

1. Tie Rod End
   • There are different versions, with long or short thread on the joint pin. Refer to the Parts Information. for the allocation.
   • If the tie rod end is bent and must be replaced, the control arm on this side of the vehicle is also damaged and must be replaced.
     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 on the joint pin. Refer to Parts Information. for the allocation.

   • Check the dust caps for damage and correct seating
   • Removing and Installing. Refer to TIE ROD END, REMOVING AND INSTALLING, HYDRAULIC POWER STEERING GEAR .
2. Nut
   • 60 Nm 
3. Spring Clamp
   • Always replace if removed
   • Version. Refer to the Parts Information.
4. Boot
   • Check for damage
   • Do not twist after the toe adjustment
   • Can be replaced with steering gear installed
   • Coat the inside of the boot seats all the way around and evenly with Power Steering Gear Grease before installing. Refer to the Parts Information..
   • Replacing. Refer to BOOT, REMOVING AND INSTALLING, HYDRAULIC POWER STEERING GEAR .
5. Clamp
   • Always replace if removed
   • Clamping Sleeves, Installing. Refer to INSTALLING .
6. Tie Rod
   • 90 Nm 
   • Removing and Installing. Refer to TIE ROD, REMOVING AND INSTALLING, HYDRAULIC POWER STEERING GEAR .
   • Grease the joint with Steering Gear Grease.
   • If the tie rod is bent and must be replaced, the control arm on this side of the vehicle is also damaged and must be replaced.
7. Power Steering Gear
   • Grease the steering rack with Steering Gear Grease.
   • There are different versions. Refer to the Parts Information..
8. Screen
   • 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-, REMOVING AND INSTALLING .
    • The following values can be selected on the Vehicle Diagnostic Tester:
      • Speed signal
      • The voltage supply from the Vehicle Electrical System Control Module 2 -J520-
      • Solenoid Valve -- status
      • Measured current for Solenoid Valve -- control

      -- Connect the Vehicle Diagnostic Tester and select Fault Finding with "Functions/Component selection".

      -- Then "body".

      -- "Electrical Equipment"

      -- "01- OBD-capable systems".

      -- "Vehicle electrical system control module".

      -- "Electrical components".

      -- "Servotronic solenoid valve".

12. Bolt
    • 3 Nm 
      CAUTION:

      • Always Follow The Bolt Tightening Sequence.
    • Tightening Sequence. Refer to SERVOTRONIC SOLENOID VALVE -N119-, REMOVING AND INSTALLING .