The human body runs on various systems. We have our circulatory system, skeletal system, respiratory system, and so on. We need each system to work properly to remain healthy. Our vehicles are the same. They contain a series of systems that work together to keep it functioning properly. Each system needs to be properly maintained and taken care of.

This is the ninth in a series of blogs we will be posting about the various vehicle systems and their function. Please also see:

Vehicle Systems: The Brake SystemVehicle Systems: The Exhaust System
Vehicle Systems: Belts and HosesVehicle Systems: Fuel System
Vehicle Systems: Emission SystemVehicle Systems: Lighting and Wipers
Vehicle Systems: The Engine Cooling System Vehicle Systems: Starting, Charging, and Battery


The suspension and steering system play a large part in how well your vehicle rides and handles. The suspension maintains the connection between the wheels and the frame or unibody. The suspension interacts with the steering to provide vehicle control. A properly functioning suspension system will absorb the energy from road anomalies – like potholes- and maintains vehicle stability. The steering system communicates your movement at the steering wheel to the steering gear and other components to control the direction your vehicle moves.

Parts of the steering and suspensions system include:

  • Ball joints
  • Bearings, seals or hub units
  • Idler arm
  • Pitman arm
  • Power steering fluid
  • Power steering pump
  • Shocks and/or struts
  • Springs
  • Steering knuckle
  • Steering rack/box
  • Tie rod ends


These systems should be checked at least once a year and with wheel alignments. Over time the components of the steering and suspension will wear out and require replacement. Some factors that affect their wear include driving habits, road conditions, type of vehicle, type of steering and suspension system, frequency of regular preventative maintenance (such as wheel alignments and chassis lubrication). Upon your yearly inspection of these systems, if you notice any leaks, damage, or loose mounting hardware, you should immediately have them replaced.

Signs that your steering and suspension need maintenance include:

  • Uneven tire wear
  • Vehicle pulls to one side
  • Loss of control
  • Excessive noise, vibration, or bouncing

Don’t let a bumpy ride ruin your day. If you’re in need of a steering or suspension system repair bring your vehicle into Meridian Automotive for a smoother and more stress-free drive.  Call us at (208) 297-5573 or schedule an appointment online.

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