2007-2013 Toyota Corolla How to replace control arm Αντικατάσταση βραχίονα ελέγχου Yiannis Pagonis

1. In automotive suspension, a control arm, also known as an A-arm, is a hinged suspension link between the chassis and the suspension upright or hub that carries the wheel.
The inboard (chassis) end of a control arm is attached by a single pivot, usually a rubber bushing. It can thus control the position of the outboard end in only a single degree of freedom, maintaining the radial distance from the inboard mount. Although not deliberately free to move, the single bushing does not control the arm from moving back and forth; this motion is constrained by a separate link or radius rod.
This is in contrast to the wishbone. Wishbones are triangular and have two widely spaced inboard bearings. These constrain the outboard end of the wishbone from moving back and forth, controlling two degrees of freedom, and without requiring additional links.
Most control arms form the lower link of a suspension. A few designs use them as the upper link, usually with a lower wishbone. The additional radius rod is then attached to the upper arm.
2. What are the symptoms of a bad control arm?
Usually a problematic control arm assembly will produce a few symptoms that can alert the driver of a potential problem that should be serviced.
a. Steering wheel vibration. One of the first symptoms commonly associated with bad control arms is steering wheel vibrations. ...
b. Steering wandering. ...
c. Clunking noises.
3. Is driving with a bad control arm dangerous?
While a bad control arm bushing is not dangerous, it can still hamper your driving experience. ... One such component is the control arm, which is mostly found in the front wheels, though some trucks and cars have it in the rear ones too. It connects the front suspension of the vehicle to its frame.
4. Can I drive with broken control arm?
In some cars, a ball joint is bolted to or pressed into the control arm and can be replaced separately. ... Control arms have a very important role holding both front wheels on the road. If a control arm is excessively worn, damaged or bent, the vehicle is NOT SAFE to drive.
5. Is it OK to replace only one control arm?
Yes, you can replace just one control arm. The ball joints are integrated; don't reuse them. Yes. But you can't reuse the stock bushing.
6. How much does it cost to replace a control arm?
The control arm should be repaired or replaced as soon as there's any sign of damage, and control arm replacements costs are typically $117 – $306 for the majority of vehicles. The part itself will normally cost between $42 – $103, with labor time usually an hour or two.

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