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SuperOldSchool replied to the thread 2015 Yukon - Change both diffs' oil and transfer case fluid early on.OP again, just did front differential again. About 64k on the oil. Plug was pretty clean and oil was not filthy at all, could have... -
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SuperOldSchool replied to the thread 2015 Yukon - Change both diffs' oil and transfer case fluid early on.You don’t want to add additional LS additive, but you can use that Mobil gear oil just fine.
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SuperOldSchool reacted to new2yukon's post in the thread Don’t forget to flush your brake system - 3yrs or 45k with
Like.
Why did the speed bleeders suck? Was thinking of getting 1 or 4 and do a temp install for bleeding or a permanent install of them... -
SuperOldSchool replied to the thread 2015 Yukon - Change both diffs' oil and transfer case fluid early on.Last Sunday also did transfer case fluid - 63k on fluid, 158k on truck. Fluid was nice and red. Magnetic plug not bad.
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SuperOldSchool replied to the thread 2015 Yukon - Change both diffs' oil and transfer case fluid early on.OP again. Changed rear diff oil today. 63k on Amsoil Severe Gear oil - 75w90, 158k on truck. Magnetic plug had a little paste- same...
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SuperOldSchool replied to the thread Fluid Replacement - Good PM Practice or Waste of $$.I do brake flushes every 1-2 years. Trans fluid should be every 30k with the 6,8,10 speeds (my opinion). See my changes fluid below...
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SuperOldSchool replied to the thread Changed my filter and fluid on 8l90 8 speed today.OP again, another refresh at 155k miles - about 25k on fluid. Just did two extract and refills - 6 quarts each time, then level...
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