Asked by: Godelieve Mattathias
automotive auto parts

What does coil springs do on a car?

Last Updated: 29th May, 2020

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The function of coil springs is to support the vehicle at its desired height, to maintain proper alignment angles and to absorb road shock transmitted through the tires and shock absorbers.

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Also to know is, do coil springs need to be replaced?

Most cars have four coil springs; each supporting one corner of the vehicle. In cars with MacPherson struts, coil springs are installed within struts (in the photo). Coil springs don't need any maintenance, but they might need to be replaced. A broken coil spring must be replaced.

Similarly, is it safe to drive a car with a broken coil spring? A damaged or collapsed spring can cause sagging and noise and affect alignment angles. While you can still drive, the ride will be rough and the car will be difficult to control in an emergency. Plus, bumps could damage other parts of the car.

Consequently, how do I know if my coil springs are worn out?

Here are a few symptoms that will let you know if your coil springs have worn out.

  1. Sharp Vehicle Sagging.
  2. Unusual Tire Wear.
  3. Unsettling Noise.
  4. Harsh Vehicle Bounce.
  5. Abrupt Vehicle Sway.

How do I know if my coil springs are bad?

Symptoms of Bad or Failing Suspension Springs. Common signs include the vehicle tilting to one side, uneven tire wear, bouncing while driving, and bottoming out.

Related Question Answers

Nighat Artola

Professional

How much does it cost to replace coil springs?

The average cost for a coil spring replacement is between $350 and $422. Labor costs are estimated between $133 and $168 while parts are priced between $217 and $254.

Fausi Vonderstein

Professional

What causes coil springs to break?

time that broken springs are found. Winter can bring ice, snow, cold temperatures and salt to Britain's roads, which causes accelerated corrosion of the coil spring. A sudden impact to the suspension, caused when driving over a speed bump or pot hole, can result in coil spring breakage.

Nga Bensalah

Explainer

How long do Springs last on car?

Those variables make it virtually impossible to assign a number of years or miles as a broad stroke, though we would expect shock absorbers (or struts on vehicles with strut-type suspensions that incorporate the shocks into an assembly with springs and other suspension parts) to last at least four or five years unless

Yoana Uriola

Explainer

Can you cut springs to lower your car?

Cut Half First, Then Drive It In Hard
The first thing you need to know is that cutting a coil spring will not only lower the vehicle, but it will also stiffen the spring making the ride and handling a bit firmer. But this is a good thing because lowering a vehicle reduces the amount of suspension travel.

Osaro Ferrari

Pundit

How can I tell if my shock absorbers need replacing?

When to replace shock absorbers:
  1. Longer stopping distance. Having worn shock absorbers on your vehicle can increase your stopping distance by up to 20%.
  2. Swerving & nose-dives. Does your car dip or swerve under braking?
  3. Vibrations.
  4. Car sliding & veering.
  5. Rocking & rattling.
  6. Uneven tyre wear.

Rolland Maxa/B

Pundit

How can you tell when you need new shocks?

What Are the Signs that My Vehicle Needs New Shocks or Struts?
  1. Bumpy ride. The most obvious sign of a problem with your shocks or struts is that your car is giving you a much more uncomfortable ride than normal.
  2. Steering problems.
  3. Braking problems.
  4. Fluid leaks.
  5. Unusual tire tread wear.
  6. Mileage.

Badel Golisch

Pundit

What noise does a broken coil spring make?

With a broken coil spring the suspension angles and travel are changed and can cause a rattle or clunking sounds. Uneven tire wear. The alignment gets thrown off by a broken coil spring and the tires do not touch the road evenly, which causes the tire to wear more on one side or become choppy and noisy.

Fariza Kanoute

Pundit

Why is the back of my car lower than the front?

If the rear of your vehicle is noticeably lower than the front, it may be possible that some sort of suspension problem has occurred. The same can be caused by a broken suspension link or control arm. I would carefully inspect the rear suspension for any signs of damaged or worn parts.

Zorione Escusa

Pundit

What is the difference between shocks and struts?

A vehicle will have either a shock or a strut at each wheel, never both. The major difference between shocks and struts is that a strut is a structural part of the vehicles suspension system where a shock is not. A strut is also crucial part of the vehicles steering system and greatly affects alignment angles.

Moacir Novosiltsov

Teacher

Do car springs sag?

All springs sag with age. The constant load they bear leads to creep within the molecular structure of the metal. Over time, the spring weakens and begins to lose height (coil spring) or arch (leaf spring). As the spring settles, ride height decreases and causes undesirable changes in wheel alignment.

Yajaira Severein

Teacher

How should new struts feel?

5 Things You'll Notice When You Install New Struts
  1. Things may feel a little bouncy at first. For the first hundred or so miles after installing your new gear, the driver will notice that the suspension feels a little stiff and bouncy.
  2. You'll take turns better.
  3. You'll stop sooner.
  4. Your tires will last longer.
  5. You'll notice extra money in your bank account.

Himilce Vaqueirinho

Reviewer

How do you measure shock length?

A shock is measured by its extended and collapsed lengths, and is measured from the center of the loop mount or the base of the stud mount. To get the extended length of a shock, remove it from the vehicle and allow it to expand on its own or pull it to the fully extended position and take a measurement.

Mathilde Grossman

Reviewer

Is a broken coil spring an MOT failure?

The most significant amendment states that if a spring is broken at an extreme end (where it locates on the spring mount) it will not necessarily fail the test. If the spring mounting is cracked, fractured, loose, or seriously weakened by damage or corrosion, it should be rejected.

Gifty Atorf

Reviewer

What do bad struts sound like?

When compressed, the knocking sound that is often heard is caused by the strut "bottoming out" or metal-to-metal contact. If you notice a knocking or clunking sound coming from an area near the front or rear tires, it's most likely due to worn out or broken struts.

Asura Vuelta

Supporter

What does a bad suspension sound like?

If your suspension is making a squeaking or creaking noise when you go around corners, then this could point towards worn ball joints. There are a number of signs that a ball joint is damaged. As well as creaky cornering, you may also hear a knocking sound when going over bumps.

Kasandra Abdelkader

Supporter

How much does it cost to fix a broken spring on a car?

However, if it comes to the point when you have to replace the whole suspension coil, you are looking at $100 to $400 in repairs. This price also depends on the availability of the part. For instance, the coil over of a Porsche will cost you more than a spring of a Dodge.

Longino [email protected]

Supporter

How much does it cost to install shocks and springs?

Struts cost between $725 and $750 for a set, including installation, according to Mogab. Shocks cost less than struts, typically between $100 and $150 apiece, according to experts. It typically takes two to three hours to replace shocks and struts, according to highly rated mechanics.

Marame OƱate

Beginner

What are signs of suspension problems?

Read on for some of the most common symptoms of problems with suspension parts in your vehicle, especially after an accident.
  • Pulling to One Side While Driving.
  • Feeling Every Bump in the Road.
  • One Corner of the Car is Sitting Low.
  • Momentum Makes Your Car Nose Dive, Lean Back, or Roll.
  • Difficult Steering.

Riffat Isnardon

Beginner

Can you replace just one coil spring?

It's recommended to replace coil springs in pairs. Over time coil springs weaken, so if you replace only one spring, the left and right springs will respond differently to the road and the left and ride sides may have a different ride height. To replace coil springs mechanics use a special spring compressor.