Removal, repair and installation of the lower arm of the front suspension

            0

Note: On the left arm, the front bolt cannot be pulled up (see Fig.7.0, a, b). Therefore, to remove the bolt, you need to disconnect the power unit from the supports and lift it up.




Withdrawal


Right lower arm


1. Apply the parking brake. Raise the front of the car and place it on stands. Remove the corresponding front wheel.

2. If you are removing the lower arm on the right side, remove the accessory drive cover (where necessary).

3. Turn away nuts and bolts of fastening of the bottom lever to a stretcher (see fig. 7.3).



4. Turn away nuts and disconnect connecting links from the stabilizer of cross-section stability from both parties. Rotate the stabilizer up away from the lower arm.


5. Remove the cotter pin from the ball joint nut of the tie rod end switch. Loosen the nut and remove the linkage from the steering knuckle using a ball joint puller. Do not damage the ball joint seal.

6. Remove the clamp securing the inner cover of the input shaft to the inner joint of equal angular velocity. Detach boot from hinge body. This is necessary so as not to damage the cover when mixing the fist up to remove the lower arm.

7. Consider which side the lower arm ball joint pin clamp bolt is installed. Then remove the bolt from the steering knuckle. Separate ball joint (wringing it out) from a fist. If this is difficult to do, open the clamp with a pry bar or power screwdriver. Do not damage the ball joint seal (see fig. 7.7, a, b).



8. Remove the lower arm from the subframe.

Left lower arm - models with non-automatic transmission


9. In the engine compartment, remove the cap from the rack (if available). While holding the strut stem with a hex wrench, loosen the top mount nut and loosen it 5 turns. Do not unscrew it all the way yet, but note that you will need a new nut during installation


10. Remove the air cleaner (chapter 4A).

11. Tighten the parking brake, support the rear wheels with wedges. Loosen the front wheel nuts. Raise the front of the car and place it on stands. Remove the front wheels.

12. Disconnect the shift linkage and support rods from the transmission (chapter 7A).

13. Disconnect the left drive shaft from the transmission (chapter 8). Support the inner end of the shaft on a support.

14. Turn out a tightening bolt of fastening of a rotary fist to the lower arm of a forward suspension bracket, considering what side it is installed. Open the clamp with a pry bar or screwdriver and release the pivot pin from the knuckle.

15. Support the power block with a jack.

16. Turn out bolts of fastening of forward and back support of the engine to a stretcher. Mark the position of the supports.

17. Turn out bolts of fastening of the right and left support of the engine to a stretcher.

18. Carefully lift the power block about 50 mm so that no wires or piping are under tension.

19. Turn out bolts and nuts of fastening of the bottom lever to a stretcher. Remove lever (see fig.7.19).



Left Lower Control Arm - Automatic Transmission Models


20. Disconnect the steering column shaft from the flexible coupling (paragraph 28).


21. Apply the parking brake, support the rear wheels with wedges. Loosen the front wheel nuts. Raise the front of the car and place it on stands. Remove the front wheels.

22. Remove the exhaust pipe (chapter 4A).

23. Remove the lower radiator cap and lockers of the right and left wheels. To do this, unscrew the screws and release the clamps.

24. Disconnect the front bumper brackets and move them to the side.

25. Lock the radiator in working position. To do this, insert cotter pins into the holes of the radiator rods that protrude from its upper supports.

26. Turn out bolts and remove the bottom basic arms of a radiator.

27. Remove the bolts (in the presence of) fastening the air conditioning battery to the subframe. Support the battery so as not to strain the pipes.

28. Turn away nuts and disconnect connecting links from the stabilizer of cross-section stability from both parties. Rotate the stabilizer up away from the lower arm.

29. Remove the cotter pins from the ball joint nuts of the tie rod ends. Loosen the nuts and remove the tie rods from the steering knuckles using a ball joint puller. Do not damage the ball joint seals.

30. Turn out clamping bolts of fastening of rotary fists to the bottom levers of a forward suspension bracket, considering what side they are installed. Open the clamps with a pry bar or screwdriver and free the hinge pins from the knuckles.

31. Disconnect the steering hydraulic radiator lines from the subframe.

32. Remove the bolts securing the front and rear engine mounts to the subframe. Mark the position of the supports.


33. Loosen the nuts securing the lower arms to the subframe. Both bolts can only be removed after the subframe has been folded down.

34. Mark position of a stretcher before its removal with the subsequent installation.

35. Turn out back bolts (silver color) subframe fasteners and loosen the front bolts (golden color) its fasteners by 2 turns. Lower the subframe to access the hydraulic steering fittings on top of the steering box.

36. Place a container under it and unscrew the union nuts on the discharge, drain and cooling pipelines. Then turn out bolts of clips and disconnect pipelines. The liquid will drain into the container. Plug the holes.

37. Check if everything is disconnected from the subframe.

38. Remove the front bolts of the subframe and lower the subframe so that you can unscrew the bolts of the lower arm to the subframe and remove the arm.

Repair


39. Check rubber bushings and lower arm ball joint for wear and damage. Ball joint can be replaced (steam. 8). Rubber bushings can be pressed out or removed with a metal pipe, long bolt, nut and washers.

40. Please note that the front and rear hubs are different. The anterior has a cylindrical inner tube, while the posterior has a barrel-shaped (see fig. 7.40).

Pic. 7.40. Bushings of the lower arm of the front suspension.
1. Front hub
2. Cylindrical inner tube
3. Rear hub
4. Barrel-shaped inner tube
5. Car front


41. Press new bushings into the lower arm in the same way as when removing. Please note that the rubber ends of the bushings must be at the same level. On the latest models, the end face of the rear inner sleeve should match the triangular mark on the lever.

Installation


42. Install in the reverse order of removal.







Link to this page in different formats
HTMLTextBB Code


Visitor comments


No comments yet



Mondeo 4 
Mondeo 3 
Mondeo 2 
Mondeo 1 and 2 
Mondeo 1