Front Suspension
Bush, front anti-roll bar, replacing, B207To remove
Important
Scrupulous cleanliness must always be observed during all work with hydraulic components.
1. Clamp the return hose with 30 07 739 Hose pinch-off pliers.
2. RHD: Detach the pipes from the bracket on the top of the steering gear. Leave the bolt and clamp in place.
3. Set the wheels and steering wheel to the straight-ahead position. Fix the steering wheel to the dashboard using woven tape or lock the steering wheel with the steering column lock.
4. Remove the upper bumper shell attachments.
5. Hang two 83 95 212 Straps in place over the radiator member and the radiator unit so that they are accessible from below.
6. Raise the car.
7. Remove the front wheels.
8. Remove the lower front cover.
CV: Remove Chassis reinforcement, front subframe, CV.
9. Bind the radiator unit tightly with the straps.
10. Remove the radiator brackets from the subframe.
11. Remove the exhaust system.
Important
The flexible bellow on the front section of the exhaust system must not be bent more than 5° from its neutral line. This means that if the front exhaust system is left hanging freely, it must not be bent more than by its own weight.
If the strain on the pipe is too great, its component parts will be permanently deformed. This can cause noise, leaks and eventually complete breakdown.
12. Remove the engine torque rod from the subframe.
13. Remove the bolt and nut which attach the suspension arm to the steering swivel member on both sides.
Left-hand suspension arm and cars with xenon lights:Remove the level sensor.
14. Remove the nut holding the track rod ends to the steering swindle member on both sides. Remove the track rod using 87 91 287 Puller, 150 mm.
15. Remove the anti-roll bar links from the anti-roll bar. Counterhold with a thin 17 mm open wrench so that the ball joint does not rotate.
16. Remove the steering shaft joint from the steering gear.
LHD:
17. Open the clips that secure the power steering pipe to the subframe.
18. Position 83 95 311 Trolley lift underneath. Fit 83 94 801 Parent fixture, 83 95 188 Basic fixture, 83 95 170 Adapter and 83 96 137 Centring tool, subframe - body. Fit in the locating pins and use the adapters to adjust the height for even contact.
19. Remove the front part of the wing liner and fold away slightly.
20. Remove the subframe bolts on both sides. Remove the stays from the body.
21. Lower the subframe slightly.
22. Pull out the suspension arms ball-and-socket joints from the steering swivel members.
23. Place a receptacle beneath the car. Detach the delivery line and return line from the steering gear. Plug the lines.
LHD:
24. Lower the subframe.
25. Replace the anti-roll bar bushes.
Important
Replace one side at a time.
Important
Do not lubricate the bushing or anti-roll bar when removing/installing.
25.1. Remove the bolts of the left anti-roll bar bush.
25.2. Remove the cap from the bush.
25.3. Remove the upper bush.
Note
The removed bush must not be reused. It must be replaced.
25.4. Fit the upper bush, centerd in the cap.
25.5. Position the lower bush on the subframe, centerd between the bolt holes.
25.6. Fit the cap with upper bush to the subframe. Tighten the bolts alternating until the lower bush's catches engage in the cap.
Note
Use M8x30 mm bolts.
25.7. Replace the temporary bolts (M8x30 mm) with the original bolts and tighten.
Tightening torque 18 Nm (13 ft. lbs.).
25.8. Replace the right anti-roll bar bush following the same method.
To fit
1. Lift the frame.
Fit the ball joints for the suspension arms in the steering swivel member.
2. Attach the delivery line and return line to the steering gear. Fit new O-rings.
Tightening torque 28 Nm (21 ft. lbs.)
LHD:
Important
Make sure that the return line is in the lower of the two connections.
The steering gear will be destroyed if the lines are mixed up!
3. Lift the subframe into place and align 83 96 137 Centring tool, subframe - body with the locating holes in the body.
4. Attach the power steering pipe to the plastic clips on the subframe.
5. Lift the subframe so that the inner sections of the bushes are pressing against the body. Fit the front subframe bolts on both sides.
Tightening torque 75 Nm + 135 degrees (55 ft. lbs. + 135 degrees)
6. Fit the stays and the rear subframe bolts on both sides. Enter the rear stay bolts before tightening the subframe bolts.
Tightening torque 75 Nm + 135 degrees (55 ft. lbs. + 135 degrees)
Lower and pull away the trolley lift.
7. Tighten the rear stay bolts.
Tightening torque 90 Nm 45 degrees (66 ft. lbs. 45 degrees)
8. Fit the engine torque rod to the subframe.
Tightening torque, rear torque rod 80 Nm (59 ft. lbs.)
Tightening torque, front torque rod 60 Nm + 90 degrees (44 ft. lbs. + 90 degrees)
9. Set up 83 96 145 Centring tool, subframe - engine and check that the engine and gearbox are correctly positioned in relation to the subframe.
Remove the centring tool.
10. Fit the suspension arms to the steering swivel members.
Warning
Press up the pin carefully.
The groove in the pin must be visible in the screw hole in the spindle housing.
If the rubber gaiter is pressed down, it will not seal properly to the swivel pin.
Tightening torque 50 Nm (37 ft. lbs.)
Left-hand suspension arm and cars with xenon lights: Fit the level sensor.
11. Install the anti-roll bar links to the anti-roll bar. Counterhold with a thin 17 mm open wrench so that the ball joint does not rotate.
Tightening torque 64 Nm (47 ft. lbs.)
12. Fit the track rod ends to the steering swivel members.
Tightening torque 35 Nm (26 ft. lbs.)
13. Attach the steering shaft joint to the steering gear. Clean the threads and apply Thread locking adhesive, Loctite 242 to the threads.
Warning
Check that the bolt fits into the groove on the pinion shaft.
LHD:
Tightening torque 30 Nm (22 ft. lbs.)
14. Fit the radiator brackets to the subframe.
Tightening torque 47 Nm (35 ft. lbs.)
Note
Check that the upper radiator unit support is placed correctly.
15. Remove the straps.
16. Fit the exhaust system.
Important
Take care so as not to crack the flex bellows.
Tightening torque 25 Nm (18 ft. lbs.)
17. Fit the front part of the wing liner on both sides of the car.
18. CV: Fit Chassis reinforcement, front subframe, CV.
Fit the lower front cover.
19. Fit the wheels.
20. Lower the car to the floor.
21. Attach the pipes to the bracket on the top of the steering gear.
22. Fit the upper bumper shell attachments.
23. Remove the hose pinch-off pliers and fill with Power steering fluid.
24. Remove the steering wheel fixing.
25. Bleed the power steering system and check for leaks.
26. Check the straight-ahead position of the steering wheel when driving on a level road. Adjust if necessary.