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that carries the wheel. In simple terms, it governs a wheel's vertical travel, allowing it to move up or down when driving over bumps, into potholes, or otherwise reacting to the irregularities of a road surface. Most control arms form the lower link of a suspension. Control arms play a crucial role
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also acted as the radius rod. This requires the bar to be attached through a ball joint, so as to also provide longitudinal control. In most contemporary designs, still commonly termed MacPherson struts, the radius rod and anti-roll bar are now separate, with the anti-roll bar mounted in a sliding
99:, which 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. Certain vehicles -- notably, many
88:, 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
107:. A double wishbone design features both upper and lower control arms that work in tandem with each other to properly locate the wheel. The additional radius rod is then attached to the upper arm.
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in the suspension system of a vehicle. They help to keep the wheels aligned and maintain proper tire contact with the road, which is essential for safety and stability.
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218:"What Does a Control Arm Do? - MTC Parts - OEM and Aftermarket Japanese, Korean, American Car Parts"
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The inboard (chassis) end of a control arm is attached by a single pivot, usually a rubber
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A control arm may be used to carry the suspension load and transmit them to the spring or
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Control arms are most commonly encountered as part of the MacPherson strut
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V.A.W., Hillier (1991). "60: Independent Front
Suspension".
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attached to the inboard bearing of the control arm..
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products from the 1990s -- feature what's known as a
238:(4th ed.). Stanley Thornes. pp. 368–369.
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165:Citroën Traction Avant
161:Torsion bar suspension
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115:Further information:
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284:Category
187:See also
97:wishbone
82:bushing
70:chassis
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148:bush.
163:of a
132:track
101:Honda
62:A-arm
18:A-arm
240:ISBN
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