mef22.
Glycol as murder on bearings. Drain everything you can out the pan and refill again with new oil run that for a few minutes and then drain that. If you run it long enough to see that the oil turn milky you have already done damage to bearings. Glycol+internal engine parts= damage.

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Mark
82 300SD 110k
91 Caprice SS
92 Jetta TD
97 Cadillac Concours(300hp)
84 Celebrity 4.3L diesel