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Steering & Suspension 5 min read

Steering & Suspension Rubber: When to Replace Bushes on a Classic

15 July 2025

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Vague steering and clunks over bumps usually trace back to tired rubber. Here is when to replace your suspension bushes.

Suspension and steering bushes are rubber, and rubber does not last 50 years. As they perish, the car develops vague steering, clunks over bumps, uneven tyre wear and a general looseness that no amount of wheel alignment fixes.

Signs your bushes are done

Look for cracked or squashed rubber at the control arms, sway bar and shackles; listen for knocks over speed humps; and watch for tyres wearing on one edge. If the rubber has gone shiny, split or is weeping, its damping days are over.

Do the whole end at once

Bushes wear as a set, so replacing one while the others are tired just moves the slack around. Doing a full front or rear end at once — control arm, sway bar and shackle bushes together — transforms how a classic drives.

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This article is general guidance for classic-car enthusiasts. Always work to your vehicle’s specifications and, where safety is involved, consult a qualified professional.