AU Independent Rear Suspension (IRS) Bushing Wear
Symptoms
Clunking from the rear over bumps. Rear-end wander under braking. Uneven rear tyre wear.
Cause
The AU sedan's independent rear suspension uses rubber trailing arm bushings that wear with age and load.
Fix
Replace the rear trailing arm bushings.
This can be done without removing the subframe, but access is tight.
Cost: $200-400 per side fitted.
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