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I have a 2022 3.0 Diesel engine only have 6100 miles on it and it’s leaking oil, pretty sure it’s the rear main seal. Didn’t know these truck were having oil leak problem till TODAY.
How serious? I have similar mileage, just crossed the county from Norfolk-Chicago-Dallas-L.A, no leaking found, only issue is auto stop always no working or only working around 30 seconds
Good morning I’m having issues with 2020 3.0 engine oil seals.who can I contact at gm to try and resolve issues.asked for loaner car huge problem got a used car junk .need a truck no answer on how long for repairs?need help dealer being a jerk.
Purchased 2021 GMC Denali 3.0 diesel and only have 600 miles on it and love it!
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when you get to super high millage like me almost 5K it just keeps getting better!:)
Denali 71
Hey guys. My 2020 Denali 4x4 3.0 is 1yr old and never been to the shop for anything.
been in the shope for a wiring problem, computer problem and a DEF pump. But nothing lately and pushing 17K and love it. 2020 Silverado