There won't be a problem as long as you bring them back a core & not a rock. They know that a few will be unrepairable, & if yours happens to be in that category, then there was no malicious intent.

I worked in a parts store when in high school & we ALWAYS opened the box to make sure there was a part in there. We never checked the condition.

They can rebuild almost any caliper though.

I admire your desire to be honest with them though.

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2001 SLK 320 six speed manual
2014 Porsche Cayenne six speed manual

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