Chevy Suburban Forum (GMC Yukon XL)
2015 Yukon XL SLE, 5.3, 6 speed auto with 4WD and tow button, 124K miles.
Never heard this noise until today. When driving constant 45 MPH let off the gas then moderate acceleration there is a sound coming from trans.
Hard to describe, a groaning squeak, its short and abrupt. No slamming or...