Spring was already fractured, but held in place by load and luck. ( You could attribute that to her safe and gentle driving - worth brownie points). When you jacked it up the load was taken off the spring, it extended,slightly rotated and relocated the fracture. When unjacked the loaded spring held itself in an alternative position, just waiting for a minor shock to totally displace the fracture and Bang!
Can put you in the clear but will Mrs H understand the logic? A longer road test was probably advisable?
Last edited by: sherlock47 on Thu 26 Apr 18 at 11:13
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