Well, the results are in. Speace wins the contest on the second pass. A brake pad retaining pin had backed out, allowing the pad and shims to drop down and scrape on the brake rotor hub. Only cost me $65 at the indy to locate the cause. I still have to replace them. Well, could have been worse. If it had been the steering box, I would have had to think hard about replacing it, or scrapping the car.

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Arctic white '90 300e 150K
Arctic white '92 400e 100K
'94 Suburban 4x4 diesel, 150K