Originally Posted by 406 ss monte
this one just started locking up after we owned it for about five years. on flat level ground with the engine idling in gear with the car rolling 2-3 mph & apply the brakes & the left rear will lock up, even just barely pushing on the pedal. it's more the left rear than the right, but they will both do it.
Have you recently rechecked the hardware (springs and retainer clips) to see that nothing's come loose or broken or is too weak?