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Steering gear, B284

Steering gear, B284

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 and feed hose with 30 07 739 Hose pinch-off pliers .

2. Fix the steering wheel in position.

LHD: straight ahead

RHD: approx. 20° to the right.

Fix the steering wheel to the dashboard using woven tape or the like.

3. Raise the car.

4. Remove the front wheels.

CV: Remove the chassis reinforcement, front subframe, CV .

5. Remove the nuts securing the track rod ends to the steering swivel members.

Remove the track rod using 87 91 287 Puller, 150 mm .


6. Remove the anti-roll bar links 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 from the steering gear.


8. Remove the exhaust pipe flange and relieve the load on the flexible bellows using 83 95 212 Strap .


9. Remove the rear torque rod bolt.

10. RHD: Place a receptacle under the car. Detach the delivery line and the return line from the steering gear. Plug the lines.


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


12. Remove the anti-roll bar mountings from the subframe.

13. LHD: Place a receptacle under the car. Detach the delivery line and the return line from the steering gear. Plug the lines.


RHD: Remove the delivery pipe from the clip on the steering gear.


14. Remove the steering gear bolts, nuts and washers.


15. Raise the anti-roll bar and lift the steering gear out 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 to the subframe.

Tightening torque 50 Nm +60° (37 lbf ft +60°)


3. LHD: Fit the delivery line and return line to the steering gear. Fit new O-rings.

Tightening torque 12 Nm (9 lbf ft)


4. Fit the anti-roll bar to the subframe.

Tightening torque: 18 Nm (14 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 and tighten the bolts.

Tightening torques

Subframe: 75 Nm + 135° (55 lbf ft + 135°)

Torque rod: 90 Nm + 45° (67 lbf ft + 45°)

6. RHD: Fit the delivery line and return line to the steering gear. Fit new O-rings.

Tightening torque 12 Nm (9 lbf ft)


7. Fit the torque rod bolts.

Tightening torque: 80 Nm (59 lbf ft)

8. Fit the exhaust pipe flange.

Tightening torque 30 Nm (22 lbf ft)


9. Fit the anti-roll bar links 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 to the steering swivel members.

Tightening torque 35 Nm (26 lbf ft)

11. Fit the steering shaft joint to the steering gear. Clean the threads and apply Threadlock, Loctite 242 to the threads.

Tightening torque 30 Nm (22 lbf ft)

Warning

Check that the bolt fits into the groove on the pinion shaft.



12. CV: Fit the chassis reinforcement, front subframe, CV .

13. Clean any spilled oil from the subframe. Lower the car to the floor.

14. Refit the wheels .

15. Remove the hose pinch-off pliers and top up Power steering fluid .

16. Remove the tape or other means used to prevent the steering wheel from moving.

17. Fill the power steering fluid according to specification, bleed the power steering system and check for leaks.

18. Carry out a wheel alignment .