Steering & Suspension Inspection

Old Car Alignment Check – Why 10-Year-Old Cars Need Camber Bushings

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A 10-year-old car that keeps eating through new tires may not need another alignment – it may need worn control arm bushings replaced first. Once the rubber bushings crack, the alignment cannot hold because the control arm moves under load. This guide explains why old cars need bushings before they need another alignment.

What the driver feels

  1. New tires wearing unevenly within 10,000 miles
  2. The car pulls to one side even after a fresh alignment
  3. The steering wheel does not center after a turn
  4. Feathered or scalloped wear on the front tires
  5. Inner-edge wear on the front tires that comes back quickly
  6. The alignment shop says they cannot set the camber to spec
  7. The car wanders on the highway after alignment
  8. A clunk over bumps that started before the tire wear

On a 2014 Honda Civic or 2015 Toyota Corolla, the front lower control arm rear bushings are rubber and crack around 100,000 miles. Once cracked, the control arm shifts under acceleration and braking, which changes the camber angle. A new alignment will set the camber correctly in the shop, but within a few hundred miles the bushing flexes and the angle goes out again. Replacing the bushing is the only fix.

On older RWD cars and SUVs like a 2013 Ford Explorer or 2014 Toyota 4Runner, the upper control arm bushings or camber bolts can seize. If the camber bolts are rusted, the alignment shop cannot adjust the camber to spec. They will tell you the bolts need to be replaced, and the bushings should be inspected at the same time.

How to inspect it

Safety note: Always set the parking brake and chock the wheels before getting under the vehicle. Use rated jack stands, never rely on a jack alone.

  • After an alignment that does not hold, inspect the front control arm bushings on a lift.
  • Look at the rear bushing on the lower control arm – it takes the most load and cracks first.
  • Use a pry bar to lever the control arm. Any movement means the bushing is cracked.
  • Check the camber adjustment bolts for rust. If they are rusted, they will not adjust.
  • Look at the front tires. Feathering on one edge means toe is out; inner-edge wear means negative camber.
  • Compare left and right camber readings from the alignment printout. A difference over 1 degree points to a bent control arm or bushing.
  • Check the strut mount top plate for movement, which also changes camber.

Repair and replacement advice

  • Replace cracked control arm bushings before paying for another alignment.
  • Rusted camber bolts should be replaced with new bolts and eccentric cams.
  • After bushing replacement, get a four-wheel alignment – not a front-end-only.
  • Polyurethane control arm bushings hold alignment better than rubber but transmit more noise.
  • If the alignment shop says they cannot set camber, do not drive away – ask which parts need replacing first.

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