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Car Suspension arm rear and front, left and right Top quality for a top price
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Replace a Spare part Control arm – a defective one or if the limit of use has been already reached. Find out useful information about Control arm

Wishbones always have been widely used in the assembly of passenger cars, often in sports and racing cars. Suspension arms must transmit forces in all directions, as well as braking force and tractive effort torque. And need to be not heavy. To the efficient use of materials the elastic components should be compact and simple to allow enough suspension travel.

Wishbone is a complex type of vehicle suspension. The springs are arranged vertically and longitudinally. With the rear end they rest the bulkhead between the cabin and engine compartment. Suspension arm moves the centre of the wheel in perpendicular and longitudinal axis planes. It is located along the longitudinal axis.

In order to ensure that efforts were transferred from the strut there is an extra swinging in the vertical plane of the axial lever on each side, the front end of which is fastened at the top of the strut. The rear one should also be attached to the front panel. There is an emphasis for the front end of the spring in its middle part. There are two types of cross-lever suspension: single lever-transverse and two-lever transverse.

Do not forget to have regular maintenance of the suspension. It is a visual inspection to see whether it has cracks or corrosion. It is also important in time to lubricate it with the necessary means. If you need to replace the wishbone, we are pleased to offer this car part to you in our online shop. We are also pleased to present you a wide range of other auto parts, such as shock absorbers, spark plugs, clutch cable and clutch release bearing.


Faults of control arm
  • deformation of the arm;
  • corrosion or cracks on the part;
  • breaking of the control arm metal-rubber mounting;
  • wear of a ball joint or a support joint.
Symptoms of control arm failure
  • free play in the wheel hubs;
  • tire wear;
  • body vibration while driving;
  • vibration of the steering wheel while driving;
  • noise and rattle in the suspension while turning the steering wheel and driving on a low quality road;
  • deterioration of the vehicle dynamics;
  • increased rate of the steering wheel free play.
Causes of control arm faults
  • wear of bushes;
  • sporty driving style;
  • vehicle operation on roads with poor surface;
  • ingress of water on the part surface;
  • pollution of control arm;
  • violation of the wheels toe-in original size.
Diagnostics of control arm

To check the control arm state, you will need a jack or a hoist. In the mounted car disconnect ball joints. Now make sure the suspension arm does not drop. To do this, shake it vertically. The norm is when the control arm springs out and returns to the original position. In addition, it is important that the sleeve is not rotated against the eyelets.

Replacing control arm

If you decide to replace the part on your own, read the following instructions:

  • use a jack and place supports;
  • remove the retaining nut;
  • disconnect the arm from the body;
  • disconnect the tie rod with the ball joint from the arm;
  • you can remove the arm;
  • insert a new part between the rod and the ball joint, securing it with bolts and self-locking nuts (everything must be new)
  • first turn the nuts from below with a force of 90 Nm, and then tighten at the angle of 30 to 40 degrees;
  • insert the bolt fastening the arm to the body and tighten the nut (do not tighten until stop);
  • lift the arm using a jack (it should occupy substantially horizontal position at an angle of 80 degrees);
  • tighten the nut (force 60 Nm);
  • remove the jack and put the car on the ground.

Control arm replacement - instructions, descriptions and repair

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