Sagging Leaf Springs
Symptoms
The rear of the car sits lower than it should. The car bottoms out over bumps. The rear end wallows and bounces excessively.
Cause
Leaf springs lose their temper over decades. Cars that have been loaded heavily (carrying passengers, towing, loaded utes) sag faster. Broken individual leaves also reduce spring rate.
Fix
Have the springs re-tempered (a spring specialist can heat and re-form them) or replace with new springs.
New leaf spring sets are available from suspension specialists ($300-600 per pair).
Re-tempering is cheaper ($100-200 per spring) but doesn't restore full original height if the springs are severely fatigued.
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