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986 vs 987 oil return tubes
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08-24-2019, 11:18 AM
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Gilles
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Join Date: Dec 2009
Location: Orange County, CA
Posts: 1,849
deairated (..?)
Maytag,
I believe that the main reason to change them is to improve the removal of air (and foam) from the oil before it drains down to the oil pan, so the pick-up screen gets only oil without air bubbles...
Not sure if my explanation makes sense...
Gilles
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