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Old 03-23-2012, 07:29 AM   #54
Russell James


 
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Drives: '12 SS/RS LS3 IBM
Join Date: Dec 2009
Location: SE Michigan
Posts: 3,351
It will look just like the rear main and pan are leaking. Which they could be, but the only way to actually diagnose it correctly is - clean everything off, add dye, drive it a couple miles, then check with the blue light on where the dye is actually seeping out. And if it's the cooler, don't bother with the seals and gaskets, going to need a new cooler.

If the bill doesn't have leak detection dye on it, they have no clue how to diagnose an oil leak.

My '10 took three tries to actually get the dealer to fix it right. The 3rd attempt where the oil cooler was replaced, along with using dye, actually fixed it. A couple tries with seals and gaskets were wastes of time. Something is feckered up with the coolers.
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