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CARS Newsletter

Suspension What is it ? - Ferndale WA.

Posted by D on March 2, 2020 at 3:30 AM

(360) 922-0553                 Exit 262 Off I-5

5640 Barrett Rd. Ferndale WA. 98248


- Across from:- WECU (credit Union)    - Chevron Gas Station -Sam's Mini mart

- Ferndale YMCA (next to)

- Taco Bell - McDonalds

During this hard time Complete Auto Repair Service appreciates your Patronage and keeping us in Business. 
We will be open by Apt. 


     Suspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. Suspension systems serve a dual purpose — contributing to the car's road holding  / handling and braking for good active safety and driving pleasure, and keeping vehicle occupants comfortable and reasonably well isolated from road noise, bumps, and vibrations, etc.  

Three fundamental components of any suspension:

  • Coil springs - This is the most common type of spring and is, in essence, a heavy-duty torsion bar coiled around an axis. Coil springs compress and expand to absorb the motion of the wheels.
  • Leaf springs - This type of spring consists of several layers of metal (called "leaves") bound together to act as a single unit. Leaf springs were first used on horse-drawn carriages.  They are still used today on most trucks and heavy-duty vehicles.
  • Torsion bars ( also a spring)  - When the wheel hits a bump, vertical motion is transferred to the wishbone and then, through the levering action, to the torsion bar. The torsion bar then twists along its axis to provide the spring force.
  • Air springs - Air use the compressive qualities of air to absorb wheel vibrations.


  • Shock Absorber - controls unwanted spring motion through a process known as dampening. A shock absorber is basically an oil pump placed between the frame of the car and the wheels. When the car wheel encounters a bump in the road and causes the spring to coil and uncoil it will give you a smoother ride.
  •  Struts - provide structural support for the vehicle suspension.  Shocks and struts have a lot to do with the handling of your car.  They can be considered  a critical safety feature. Worn shocks and struts can allow excessive vehicle-weight transfer from side to side and front to back. This reduces the tire's  ability to grip the road, as well as handling and braking performance.  

Anti-sway bars:

  • Sway Bars - give a moving automobile additional stability. Sway bar transfers movement to the other wheel. This creates a more level ride and reduces vehicle sway.

If you think your car is pulling to one side, hard to keep straight or you are experiencing  unusual tire wear. Then you should Stop by and let   C.A.R.S. = Complete Auto Repair Service help you out.

(360) 922-0553 
   Exit 262  Off I-5
5640 Barrett Rd.  Ferndale WA.  98248

- Across from:
- WECU (credit Union)
- Chevron Gas Station -Sam's Mini mart
- Ferndale YMCA (next to)
 - Taco Bell  - McDonalds

Categories: 2020