Nov 25, 2020 · I bought a new 2021 GMC Sierra 1500 AT4 Diesel yesterday and after only having it for not even 5 hours, I went to park in my driveway and had a message "Shift to Park" after …

Oct 10, 2018 · 3.0 Duramax LM2: Oil Capacity - 7 Quarts DEF Capacity - 5.3 Gallons Oil Filter - PF66 / 55495105 Engine Oil - DexosD 0w20 19370138 Fuel Filter - TP1015 / 23304096 Air …

Oct 18, 2018 · GM1500Diesel.com is the only community focused on the new 3.0L Duramax platform, covering all GM 1500 series trucks and SUV's.

Jan 14, 2021 · The repurchase process was long and had several stages, but yesterday(Nov 23), I dropped off my 2020 GMC AT4 1500 3.0 and picked up my 2022 GMC AT4 2500 Duramax. I …

Oct 9, 2020 · I have a 2020 GMC Sierra 1500 3L Diesel SLT 15,000 miles. "Change oil soon" came up on the dash. I checked the dip stick and there was no oil showing. Went to the dealer …

Mar 10, 2025 · 22" wheels on my 2020 1500 Denali 3.0 Liter Duramax short box ... on my 2021 GMC Sierra Denali 3.0 Diesel ...

Dec 28, 2020 · I just bought a new 2021 GMC Sierra 1500 Denali 4x4 crew cab and really happy with the power the 3.0 diesel has. I'm concerned about the def fluid since I rarely put over …

Oct 27, 2023 · I have a 2020 GMC LTZ Sierra with the 3.0L I6 diesel engine, 108000 miles, when I purchased the truck it has 82000. The check engine lite came on the other day and I checked …

Oct 10, 2018 · Here is the 2021 3.0 Duramax supplement owners manual. Haven't compared both closely, but the 21's manual has a paragraph saying this model does not have the dreaded …

Oct 10, 2018 · Fully refreshed 2022 GMC Sierra 1500 models equipped with the 3.0L I6 LM2 turbodiesel Duramax engine and rear-wheel drive now have a max tow rating of 13,200 …