Steering Gear, Servicing, Hydraulic Power Steering Gear

WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE:

Always Replace Self-Locking Nuts And Bolts.

Welding Or Straighten Work On Any Steering Components Is Not Permissible.

To Grease The Rack, Only Use Steering Gear Grease.

Fig 1: Hydraulic Power Steering Gear, Servicing

Courtesy of AUDI OF AMERICA, LLC

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 .
Nut
- 60 Nm
Spring Clamp
- Always replace if removed
- Version. Refer to the Parts Information.
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 .
Clamp
- Always replace if removed
- Clamping Sleeves, Installing. Refer to INSTALLING .
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.
Power Steering Gear
- Grease the steering rack with Steering Gear Grease.
- There are different versions. Refer to the Parts Information..
Screen
- Always replace if removed
Seal
- Always replace if removed
Seal
- Always replace if removed
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".
Bolt
- 3 Nm
  CAUTION:
  - Always Follow The Bolt Tightening Sequence.
- Tightening Sequence. Refer to SERVOTRONIC SOLENOID VALVE -N119-, REMOVING AND INSTALLING .