Overhaul
Hydraulic Power Steering Gear, Servicing
Special tools, testers and auxiliary items required
• Torque Wrench 50-200 Nm (V.A.G 1332)
• Hose Clip Pliers (V.A.G 1921)
• Locking Pliers (VAS 6199)
• 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.
1 Tie Rod End
• There are different versions, with long or short thread on the joint pin; allocation, refer to the Parts Catalog
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, refer to the Parts Catalog
• Check dust caps for damage and correct seating
• Removing and installing, refer to => [ Tie Rod End ] Tie Rod End
2 Nut
• 60 Nm
3 Spring Clamp
• Always replace if removed.
• For the correct version, refer to the Parts Catalog
4 Boot
• Check for damage
• Do not twist after adjusting the toe
• Can be replaced with steering gear installed
• Replace, refer to => [ Boot ] Boot
5 Clamp
• Always replace if removed.
• Clamping sleeves, installing => [ Clamping Sleeves, Installing: ] Tie Rods
6 Tie Rod
• 90 Nm
• Removing and installing, refer to => [ Tie Rods ] Tie Rods
• Grease joint with steering gear grease.
7 Power Steering Gear
• Grease joint with steering gear grease.
• There are different versions, refer to the Parts Catalog.
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) ] Servotronic Solenoid Valve (N119)
• Follow values can be requested (VAS 5051) :
• Speed signal
• The vehicle electrical system control module (J519) voltage
• Solenoid Valve status
• Measured current for Solenoid Valve control
- Connect vehicle diagnostic tester and then 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
• Always follow bolt tightening sequence.
• Tightening sequence, refer to => [ Servotronic Solenoid Valve (N119) ] Servotronic Solenoid Valve (N119)