2019 GMC Sierra AT4 6.2L uses oil

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Jan 29, 2024 | 12:07 AM

#11

CathedralCub

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Quote:

Originally Posted by mackd95

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.

Glad this worked for you on a Toyota and a Mustang. I would sure not like to have any members of this forum involved in rlcrockett'* warranty being voided by using a non-manufacturer-recommended lubricant with non-manufacturer-recommended maintenance procedures and intervals, especially not based on anecdotal testimony based on unrelated vehicles. To that end . . .

Quote:

Originally Posted by mackd95

https://**************.com/oil-chang...kup-6.2l-l-l87

. . . I disabled the hyperlink in your post.

Feb 29, 2024 | 08:06 AM

#12

rlcrockett

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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?

Feb 29, 2024 | 08:29 AM

#13

carfixer007

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Quote:

Originally Posted by rlcrockett

In times like these it'* nice to know a lawyer that owes you one.

Feb 29, 2024 | 11:19 PM

#14

CathedralCub

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Quote:

Originally Posted by rlcrockett

How much did it consume?

Mar 1, 2024 | 05:01 PM

#15

rlcrockett

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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.

Mar 2, 2024 | 12:37 AM

#16

CathedralCub

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Quote:

Originally Posted by rlcrockett

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.

So you can take it back to them and get something done?

. . . or are you saying that now the threshold on newer trucks is a quart in 2,000 miles?