Readers ask: What Is Trailing Arm Suspension?

What does a trailing arm do?

Trailing arms function as a pivot point perpendicular to the length of the vehicle. They also prevent the rear axle or rear spindle from moving forward or rearward during operation of the vehicle.

Which suspension is a trailing arm?

A trailing-arm suspension, sometimes referred as trailing-link is a vehicle suspension design in which one or more arms (or “links”) are connected between (and perpendicular to and forward of) the axle and a pivot point (located on the chassis of a motor vehicle).

What is the difference between a control arm and trailing arm?

On the rear, your control arms are ” trailing arms “. On the front your control arms are an “A arm ” style and not a trailing arm. The trailing arms “trail” behind their mounting point and are typically straight (like our lower control arms on the rear).

What happens if a trailing arm breaks?

A broken trailing arm or worn bushing can send your suspension system into misalignment, which alters where the vehicle’s weight sits. Ultimately this leads to premature tire wear. Your vehicle is shorter on one side – Your vehicle sits relatively level.

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How much does it cost to replace a trailing arm?

The average cost for trailing arm replacement is between $342 and $371. Labor costs are estimated between $109 and $137 while parts are priced at $234. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

How do you know if your trailing arm is bad?

Common signs include a clunking noise when you accelerate or brake, excessive and uneven wear on tires, and loose steering when turning corners.

What is a double wishbone front suspension?

Double wishbone suspension allows each wheel to act and react independently from the others. It achieves this thanks to two wishbone -shaped arms (also known as control arms or double A-arms) that are located between the knuckle on the wheel assembly and the car’s chassis.

Does car need alignment after replacing lower control arm?

We would recommend that the alignment be checked. The actual replacement of the control arm would not change the alignment angles, but what caused the need to change the control arm (impact with curb or pothole?) may have caused the alignment angles to change.

Can you drive with a broken rear control arm?

Driving with a broken rear control arm can be very risky. Expert recommend that the control arms, as with other important components, should be checked at least once a year and make a replacement when any wear or damage is identified.

What is the purpose of the lower control arm?

The lower control arms allow the suspension setting parts to rotate whenever the car is cornering-resulting in convenient driving pleasure. The control arm also makes the coil springs to respond to the axle and wheel assembly when treading through the bumps and potholes on road.

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What happens if you don’t replace control arms?

Control Arm Repair You should be able to drive it until you are in a safe place but don’t push your luck. If the control arm is broken, then you are going to have less weight support and the stability of the car is compromised. The shift and sway that happens with the vehicle mean you can lose control or worse.

Is it safe to drive with a bent control arm?

Control arms are connected to the frame or body of a car through flexible rubber bushings, called control arm bushings. 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.

How long can you drive with bad control arm bushings?

They could be ok for 30 days or more but may be unsafe to leave the parking lot. While control arms get noisier with worn bushings it also allows more loose play in the suspension to wear other parts out. Just get it fixed. It will save you money in the long run.

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