Operation CHARM: Car repair manuals for everyone.

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)