Power Steering Gear

Power Steering Gear

Special tools, testers and auxiliary items required

• Hose Clamps Up to 25 mm Dia. (3094)

• Torque Wrench 5-50 Nm (V.A.G 1331)

• Tool Insert, AF 17 (V.A.G 1331/6)

• Torque Wrench 50-200 Nm (V.A.G 1332)

• Engine-/Gearbox Jack (V.A.G 1383 A)

• Support (T10031)

• Vehicle Diagnosis, Testing and Information System (VAS 5051 B)

• Ball Joint Puller (T10187)

• Wood block

Removing

• In order to remove steering gear, rear subframe must be unscrewed and supported.

- With vehicles with air suspension, place vehicle on hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

• The (3094) must not be secured on return hose in check valve area. Otherwise, check valve will be damaged.

• The check valve is in the return hose between the cambers - A arrows - or between hose clamps - B arrows -.

Check Valve in Return Hose





- Clamp the intake hose and the return line on the reservoir using (3094).






- Remove front noise insulation - 1 and 2 -.






- Remove wheels.

- Rotate steering gear toward left until stop.

- Remove nut and press tie rod off of wheel bearing housing.






- Remove connector - arrow 1 - from servotronic solenoid valve (N119).






- Remove coolant hose bracket - arrow 2 - from return line. Place coolant hoses on front final drive.

- Remove the heat shield - A - from steering gear (2 bolts).






- Remove bolt - B - for universal joint at steering gear and remove universal joint from steering gear.

- Remove bracket for hydraulic lines - 1 -.






- Remove pressure line and return line - 2 - from steering gear.

- Remove the heat shield - 1 -.






- Remove bolts - arrows - from steering gear.






- Insert (T10031) in (V.A.G 1383 A).






- Place wood block - 2 - on (T10031).

- Support rear subframe in lower control arm area - 1 -.

- Only remove rear bolts from subframe.

- Lower the subframe with the (V.A.G 1383 A) just far enough so that the (V.A.G 1383 A) continues to support the subframe. Do not allow subframe to hang freely.

- Remove steering gear from mounts.

- Slide steering gear to right side of vehicle in direction of - arrow 1 -.






- Skirt servotronic solenoid valve - 1 - around coolant hoses - 2 - and rotate steering gear forward.






- Swing left tie rod downward.

- Remove steering gear downward toward left side of vehicle in direction of - arrow 2 -.






Installing

Install in reverse order of removal. Note the following:

- Tighten new bolts from subframe. Refer to => [ Subframe, Stabilizer Bar and Coupling Rod Overview ] Front Axle Overview.

Tightening specifications, refer to => [ Steering Gear Overview ] Steering Gear Overview

- Bleed steering system. Refer to => [ Steering System, Bleeding after Reinstalling ] Service and Repair.

- Check the steering system for leaks. Refer to => [ Steering System, Checking for Leaks ] Steering System, Checking For Leaks.

- Check hydraulic fluid level and fill, if necessary. Refer to => [ Power Steering, Checking Hydraulic Oil Level ] Power Steering, Checking Hydraulic Oil Level.

- After installation, a vehicle alignment must be performed. Refer to => [ Wheel Alignment ] Wheel Alignment.

- Perform steering angle sensor (G85) basic setting with vehicle diagnostic tester.