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Old 12-12-2012, 08:04 AM   #85
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A little sidebar regarding oil leaks:

Many manufacturers classify "leaks" in two ways. Leaks and seepage. Seepage is the wetness you'll often see around differential seals, front mains, driveshaft seals and it doesn't ever touch the ground. A very small amount pushes past seals and through the porosity of the case material. Seepage is considered "normal" in many cases and warranty repairs are technically forbidden. How your dealer responds to your concern and what they tell the manufacturer often differs from what the manufacturer would actually recommend, regarding seepage fixes.

Leakage is the same as seepage but it actually hits the ground

I always found this comical but it kinda makes sense. Most people are never underneath their car and those that are - more often than not have no clue what is and isn't supposed to be there....there is a reason your underbody isn't painted, chromed and covered in cute little plastic covers.

Furthermore producing millions of gearboxes, engines, differentials, transfer cases, etc with outsourced seals that have even greater production variance that seal every single drop of fluid for 5-10 years in every climate known to man is akin to government efficiency - it's just not gonna happen.
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