Overhaul
Steering Gear, Servicing
Special tools, testers and auxiliary items required
• Hose Clamp Pliers (V.A.G 1275)
• Torque Wrench 50-200 Nm (V.A.G 1332)
• Steering gear grease
• 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.
• There are two different tie rod ends being installed: one marked with "R" and one marked with "L" and an "arrow". They indicate the driving direction. For allocation, refer to the Parts Catalog.
1 Right Tie Rod End
• The version marked with "R" or an "arrow" pointing in the drive direction, allocation, refer to the Parts Catalog
• Check dust caps for damage and correct seating.
• Tapered plug must be free of oil and grease.
• If necessary, clean with a dry rag, do not use cleaning solvent.
2 Nut
• 70 Nm
3 Right Tie Rod
• 100 Nm
• Removing and installing, refer to => [ Tie Rod ] Tie Rod
4 Steering Arm Thrust Ring
• Only on steering gear with smaller arm
• Note location => [ Large steering arm boundary contact surface faces toward tie rod. Collar points to steering gear. ] Steering Arm Thrust Ring
• Steering arm, measuring, refer to => [ Steering Arm, Measuring Mechanically ] Testing and Inspection
• Installing, refer to => [ Steering Arm Thrust Ring ] Steering Arm Thrust Ring
5 Spring Clamp
• Open using spring type clip pliers (VAS 5024 A)
6 Boot
• Check for damage
• Must not be twisted when adjusting toe
7 Clamp
• Always replace
8 Bolt
• 12 Nm
9 Locking Plate
10 Control Line
• When installing, make sure that the O-ring is not damaged
• Make sure not under tension when installing
• Do not damage surface, repair paint damage as necessary.
11 Sealing Ring
• Always replace
12 Seal
• Always replace
13 Banjo Bolt
• 40 Nm
14 Control Line
• When installing, make sure that the O-ring is not damaged
• Make sure not under tension when installing
• Do not damage surface, repair paint damage as necessary
15 Sealing Ring
• Always replace
16 Power Steering Gear
• Removing and installing, refer to => [ Power Steering Gear ] Power Steering Gear
17 Servotronic Solenoid Valve (N119)
• Removing and installing, refer to => [ Servotronic Solenoid Valve (N119) ] Servotronic Solenoid Valve (N119).
• Follow values can be requested (VAS 5051B) :
• Speed signal
• The voltage supply from vehicle electrical system control module 2 (J520)
• Solenoid valve status
• Measured current for solenoid valve control
- Connect (VAS 5051B) and select troubleshooting using "Functions/Component selection" vehicle diagnostic tester.
- Body (Repair Group 01; 27; 50 - 97)
- "Electrical System (Repair group 01; 27; 90 - 97)".
- "4F - Electronic central electronics II".
- "Electrical components".
- "N119 - Servotronic Solenoid Valve (Repair group 48)".
18 Seal
• Always replace.
19 Seal
• Always replace.
20 Strainer
• Always replace.
21 Bolt
• Always follow bolt tightening sequence.
• Tightening sequence, refer to => [ Servotronic Solenoid Valve (N119) ] Servotronic Solenoid Valve (N119)
22 Connector
23 Left Tie Rod
• 100 Nm
• Removing and installing, refer to => [ Tie Rod ] Tie Rod
24 Left Tie Rod End
• The version marked with "L" or an "arrow" pointing in the drive direction, allocation, refer to the Parts Catalog
• Check dust caps for damage and correct seating
• Conical pin must be free of grease and oil
• If necessary, clean using dry rag, do not use cleaning agents