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Subframe, To remove and To fit, Z19

Subframe, To remove and To fit, Z19

To remove


1. Put the front wheels in the straight-ahead position and engage the steering column lock.

2. Hang two straps over the radiator member.

3. Remove both front wheels.

4. Z19: Remove the lower engine cover.

5. Remove the front lower cover. Detach the front section of the wing liners and bend aside slightly. Suspend the radiator assembly using the straps.

6. Remove the exhaust system. Z19: Remove the front exhaust pipe.

7. Remove the intermediate swivel pin (1) from the steering gear.


8. Remove the front engine pad (2) from the front axle member.


9. Remove the engine pad holder (3) from the front axle member.

10. Remove the track rod end (1) from both track rods. Use 87 91 287 Puller, 150 mm


11. Remove the ball joint and link arm on both sides from the steering swivel member.

12. Remove the drop arm from both sides of the anti-roll bar.

13. Unplug the wiring harness connector from the EHPS supply unit (1) / (2) and remove the clip and place to one side.


14. On cars with Xenon headlamps:

Unplug the connector (arrowed) for the levelling sensor and remove from the front axle member.

15. Set under 83 95 311 Trolley lift with 83 94 801 Parent fixture , 83 95 188 Basic fixture and 83 96 137 Centring tool, subframe - body


16. Remove the subframe bolts on both sides. Remove the stays from the body.

17. Lower the front axle beam slowly

Pull out the ball joints while the frame is lowering.

To fit

18. Fit the front axle beam to the undercarriage.

Instructions: Before fitting, press up the locating pins (3) on both sides.

When fitting, the locating pins must be seated in the locating holes (arrowed) in the car's undercarriage.

Check that the pins on both sides of the radiator are correctly seated in the front axle beam's holder. Apply vaseline to the rubber guides.

Guide the link arms into the steering swivel members.


19. Lift the subframe into place and align 83 96 137 Centring tool, subframe - body with the locating holes in the body.



20. 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° (55 lbf ft +135°)

21. 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° (55 lbf ft +135°)

22. Lower and pull away the trolley lift.

23. Tighten the rear stay bolts.

Tightening torque 90 Nm +45° (66 lbf ft +45°)

24. Fit the holder for the rear engine pad (1)

Tightening torque 80 Nm (59 lbf ft)


25. Fit the front engine pad (2) to the front axle member. Use a new nut.

Tightening torque 60 Nm +90° (44 lbf ft +90°)

26. Fit the suspension arm on either side to the steering swivel member (3). Use new nuts and bolts.

Tightening torque 50 Nm (37 lbf ft)

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.



27. Fit the track rod end (1) on either side to the steering swivel member. Use a new nut.

Tightening torque 35 Nm (26 lbf ft)

28. Fit the drop arm (2) on either side to the anti-roll bars.

Tightening torque 65 Nm (48 lbf ft)

29. Plug in the connector to the EHPS supply unit (1) /(2). Secure the wiring harness to the bracket.


30. On cars with Xenon headlamps:

Plug in the connector to the headlamp levelling sensor and attach to the front axle member (arrow).

31. Press on and fit the intermediate steering swivel (1) to the steering gear. Check that the front wheels are in the straight-ahead position. Clean the threads and apply 74 96 268 Threadlock to the threads.

Tightening torque 30 Nm (22 lbf ft)

Warning

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



32. Fit the exhaust system.

33. Z19: Fit the front exhaust pipe.

Tightening torque 25 Nm (18 lbf ft)

34. Remove the straps.

35. Fit the covers and wheel housings. Z19: Fit the lower engine cover.

36. Fit the front wheels. See Wheels (110 Nm).

Tightening torque 110 Nm (81 lbf ft)

37. Check that the unit is located correctly in relation to the subframe using 83 96 145 Centring fixture, subframe - engine .