2020 Silverado 3500hd 6.6 gas consumes oil after 1000 miles on a fresh oil changes

[Ahmad M Eltiti]

Hello i have a 2020 Silverado 3500hd 6.6 gas as a wrecker . Since I’ve purchased it brand new you change the oil and after 1000-1500 miles all the oil is gone . Message comes up engine oil low add oil and you check the dipstick and not one drop off oil is there . No leaks what so ever and truck doesn’t smoke . I know I’m not the only one with this issue cause another person i know bought the same truck also a wrecker and the same thing happened to him . Anyone know what this could be ? Or the solution ? 

[diyer2]

Did you take it to the dealer? They will do an oil consumption test.

[Transient]

Other people in the subforum survival for your vehicle may be able to provide more info than us.  We don't get the 6.6 in the 1500.

[GMCustomerService]

On 12/3/2023 at 8:55 AM, Ahmad M Eltiti said:

Hello i have a 2020 Silverado 3500hd 6.6 gas as a wrecker . Since I’ve purchased it brand new you change the oil and after 1000-1500 miles all the oil is gone . Message comes up engine oil low add oil and you check the dipstick and not one drop off oil is there . No leaks what so ever and truck doesn’t smoke . I know I’m not the only one with this issue cause another person i know bought the same truck also a wrecker and the same thing happened to him . Anyone know what this could be ? Or the solution ? 

This is certainly not what we like to hear, Ahmad M Eltiti.  Please know, customer satisfaction is extremely important to us. Our team would be more than happy to take a closer look into the concerns with your 2020 Chevrolet Silverado's oil consumption. To do so, please send an email to [email protected] with ATTN: Ahmad M Eltiti/GM Trucks in the subject line.

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