[flash]

lol - not worth the effort. i think the spring was $4

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[MB968]

The benefit of knowing the cause is being able to keep the failure from happening again. If it is a fatigue failure, not much we can do about it unless you wanted to go to shotpeening, or. If it is corrosion leading to stress risers and thus failure, we could add some corrosion protection to new springs to minimize the risk of failure ever happening again. Preventative vs ongoing maintenance.

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[flash]

from a purely academic standpoint, i see that. from a realistic standpoint, there is nothing you can change to alter the outcome. it was not corrosion in my case. there was no sign in there anywhere of corrosion, moisture, foreign bodies, chemicals, or any other exposure related issue. the spring just snapped. i just threw away another one from another car last weekend (don't ask me why i still had it, as i did the repair a year ago). it was the same. no signs of anything.



it's just a crappy design. the little ear isn't big enough to hold the load, even in a perfect world. when i pull out the broken one, it looks a lot like a paperclip that has been bent until it breaks. i can only surmise that it was continual application of heat in a weak spot that fatigued the spring and caused it to break.



regardless, since there is no real substitute, and nothing that can be done to prevent whatever cause, i see no alternative than to change the spring when you change the brakes. you already have the rotors off as a part of any brake job, either for scuffing or replacement, so there is no extra real labor involved. the part is cheap. problem solved.

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