▲ 0 r/AskAMechanic
I have a sneaking suspicion but wanted some other opinions on this sound. 2020 GMC Sierra 1500 Elevation 3.0 lm2 duramax 109k miles. 0 CEL or DTC. Occurs when downshifting or accelerating. Started on my way to work. Thanks in advance!
u/EP3Kgaming — 19 days ago