Bushings that locate shocks and leaf springs.
These bushes support suspension movement and help filter noise. Wear can cause clunks, poor ride quality or wandering. Match bush size, sleeve diameter and mount style. Tighten hardware at normal ride height. Correct bushings help the suspension work as designed over rough roads.
Worn spring or shock bushes are a common cause.
Yes. Excess play can change wheel alignment under load.
Follow the specified method. Many bushes require a press to avoid damage.