Whine/Growl Noise That Changes with Vehicle Speed

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
2 - 3 - 4 - 6 - 8 and 4 - 5 - 6 - 7 - 8 Reverse Clutch Thrust Bearing (58)	Inspect the bearing for wear or damage.
Output Carrier Assembly (73)	Inspect the carrier assembly for damaged pinion gears, thrust washers, pins, and rollers. Inspect for a damaged center support roller bearing assembly. Inspect for damaged thrust bearings. Inspect for damaged sun gears. Inspect the carrier assembly for damaged output carrier rear sun gear thrust bearing (captured). Inspect for damaged or stripped splines on the output carrier assembly.
Output Sun Gear Thrust Bearing (75)	Inspect the bearing for wear or damage.
Input Sun Gear Thrust Bearing (61)	Inspect the bearing for wear or damage.
Input Sun Gear Assembly (69)	Inspect for spline wear or damage.
1 - 2 - 3 - 4 - 5 Reverse Clutch Hub Thrust Bearing (70)	Inspect the bearing for wear or damage.
A/Trans Fluid Filter (46)	Inspect for damaged or restricted fluid filter assembly (26) Inspect for damaged fluid filter seal assembly (25) or improper sealing interface (leaks, fluid aeration).
A/Trans Fluid Pump Seal (302)	Inspect for worn or damaged seal.