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If a tree falls in a forest does it make a sound? If you don’t add oil between oil changes. Does it use oil? -
You have been weighed, measured, and found wanting ( A Knight's Tale)! -
Yes. They don't want to pay for the oil pump belt job due at 150,000mi. Or they had 10 speed issues like valve body. Oh and emissions sensor problems. Bass to 12? Take it back to neutral and you'll see why lol. Especially on the non Bose trucks. -
By Another JR · Posted
I have no first-hand knowledge about it but I have seen quite a few comments that GM selected lower viscosity gear oils to slightly improve fuel mileage. Personally, I care more about longevity and reliability than fuel mileage on this type of vehicle, and I have not read any cautions about using 75w90 in place of the 75w85 specified for the front differential, so I went with the 75w90 I have used for 35 years on other GM trucks and SUVs. -
I know the claim was that they overfill the LZ0 or unless it was the first series of 3.0 duramax an additional quart due to more oil use before the rings/cylinder mates together. My neighbors is a refresh 2022 model and who knows what changes they could have made between then and now and no two engines are exactly alike and it would probably have some bearing on how the engine was broken in and serviced as well. I'd be doing exactly like you are, a few short interval oil changes ( not sure if you cut open the filters, you might not want to know what was inside of them ! ) and shorter intervals over all for oil changes and you've more than done your part. If it piles up, that's completely on GM and its there baby to cover the cost of a new engine. By the way the neighbor said he just had that coolant diverter contraption replaced on is truck, don't recall the miles that is on his truck now but certainly within the warranty period yet and so was all covered as he said there was a time when they were not covering that under the power train warranty but now they are as I believe he would be over the bumper to bumper warranty in distance I believe and certainly past in the three year time frame.
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