Steering gear, B207, 4WD, LHD

/ 9-3 (9440) / 2009 / 6. Steering assembly / Power steering system / Adjustment/replacement / Steering gear, B207, 4WD, LHD

Important

Scrupulous cleanliness must always be observed during all work with hydraulic components.

Important

Always use wing covers when working in the engine bay.

To remove

1.	Clamp the return hose using 30 07 739 Hose pinch-off pliers .

2.	Set the wheels and steering wheel in the straight ahead position. Lock the steering wheel with the steering wheel lock.

3.	Raise the car.

4.	Remove the front wheels.

5.	Fit the nut (A) holding the track rod ends to the steering swivel members on both sides. Remove the track rods using 87 91 287 Puller, 150 mm .

6.	Remove the anti-roll bar links (B) from the anti-roll bar. Hold with a thin 17 mm open wrench so that the ball joint does not turn.

7.	Remove the steering shaft joint (A) from the steering gear.

8.	Remove Catalytic converter, rear, 4WD .

9.	Remove the rear torque arm bolts (A).

10.	Remove the front torque arm bolt (A).

11.	Use a column jack to relieve the load on the subframe. Remove the rear bolts (A) and rod (B).

12.	Lower the subframe and remove the anti-roll bar brackets (A) from the subframe.

13.	Place a receptacle under the car. Detach the delivery line (A) and the return line (B) from the steering gear. Plug the lines.

14.	Remove the steering gear bolts, nuts and washers (A).

15.	Raise the anti-roll bar as high as possible and lift out the steering gear through the wheel housing on the left side.

To fit

1.	Lift the steering gear into place through the wheel housing on the left side.

2.	Fit the steering gear (A) to the subframe. Tightening torque 50 Nm +60° (37 lbf ft +60°)

3.	Fit the anti-roll bar (A) to the subframe. Threadlock, Loctite 242 on the threads. Tightening torque: 18 Nm (14 lbf ft)

4.	Fit the delivery line (A), make sure that it is not in contact with the anti-roll bar, and fit the return line (B) to the steering gear. Fit new O-rings. Tightening torque 28 Nm (21 lbf ft)

5.

Raise the subframe using 83 95 311 Trolley lift with 83 94 801 Parent fixture and 83 96 137 Centring tool, subframe - body. Fit the tool against the guide holes in the body. Fit the rods (B) and the bolts (A). Tightening torques Subframe: 75 Nm + 135° (55 lbf ft + 135°) Rod: 90 Nm + 45° (67 lbf ft + 45°)

6.	Fit the bolts (A) holding the rear torque arm to the subframe. Tightening torque M10 65 Nm (48 lbf ft) M12 120 Nm (88 lbf ft)

7.	Fit the front torque arm bolt (A). Tightening torque 60 Nm +90° (44 lbf ft +90°)

8.	Fit Catalytic converter, rear, 4WD .

9.	Fit the anti-roll bar links (B) to the anti-roll bar. Hold with a thin 17 mm open wrench so that the ball joint does not turn. Tightening torque 64 Nm (47 lbf ft)

10.	Fit the track rod ends (A) to the steering swivel members. Tightening torque 35 Nm (26 lbf ft) Warning Check that the bolt fits into the groove on the pinion shaft.

11.	Fit the steering shaft joint (A) to the steering gear. Clean the threads and apply Threadlock, Loctite 242 to the threads. Tightening torque 30 Nm (22 lbf ft)

12.	Wipe clean the subframe from any oil.

13.	Lower the car to the floor.

14.	Fit the Wheel .

15.	Remove the hose pinch-off pliers.

16.	Bleed the power steering system and check the sealing integrity, see Bleeding the power steering system .

17.	Carry out Wheel alignment .

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