2019 GMC Sierra AT4 6.2L uses oil
01-29-2024 | 12:07 AM
#11
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I had this same issue but in a Toyota and in a mustang. After 2 mechanics checked the engine they could not find anything. I changed to a rugged/tougher oil and it didn't eliminate the problem but it did cut down on dumping 1-quart of oil every few weeks into the engine which was a major hassle. Doesn't hurt to give it a try...I found a link for your 6.2 sierra if you want to try it out, up to you.
02-29-2024 | 08:06 AM
#12
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Well the dealer came back and said that GM is not going to do anything. So he sent me all of the paperwork and I am going to make a run at it myself. Any recommendations on who to contact at GM or best way to proceed?
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CathedralCub (02-29-2024)
02-29-2024 | 08:29 AM
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In times like these it'* nice to know a lawyer that owes you one.
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CathedralCub (02-29-2024)
02-29-2024 | 11:19 PM
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From: Earth
03-01-2024 | 05:01 PM
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As stated at the top, I was using almost 1 quart every 1,000 miles. But not exactly 1 quart, so they wouldn't consider it. Now the range is 1 quart in 2,000 miles, which I easily meet.
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CathedralCub (03-02-2024)
03-02-2024 | 12:37 AM
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. . . or are you saying that now the threshold on newer trucks is a quart in 2,000 miles?
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