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Old 07-08-2017, 07:03 AM
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Hank70SS Hank70SS is offline
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Join Date: Dec 2009
Location: Brighton, MI
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I would start with a fluid change. Maybe open it up at that time and see what's in there. We had a Suburban, while towing a travel trailer the rear end locked up going around a corner. When it let loose I swore it had snapped an axle. It didn't, had it cleaned and new fluid. No more issues.
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70 Chevelle SS396(454), M20, 3.73
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