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    DT466 Major Oil Leak - Can't find it!

    I have a 2006 DT466 7.6L shuttle bus that my church and daughter's BBall team uses all the time. We seem to be losing a massive amount of oil (1 gallon every 500 miles) on recent trips. Took to Int'l dealer, said there was a crack in the oil cooler gasket and oil cooler itself. Replaced, and oil...