Automatic Transmission - 10L80 MHS MQC | Diagnostic Information and Procedures | Document ID: 4491708
Whine/Growl Noise That Changes with Vehicle Speed
Whine/Growl Noise That Changes with Vehicle Speed
| Checks |
Causes |
| Output Carrier Assembly (38) |
Inspect the carrier assembly for damaged pinion gears, thrust washers, pins, and rollers. Inspect for damaged sun gears. Inspect for damaged or stripped splines on the output carrier assembly. |
| Reaction Internal Gear Thrust Bearing (75) |
Inspect the bearing for wear or damage. |
| Output Carrier Thrust Bearing Assembly (72) |
Inspect the bearing for wear or damage. |
| Direct Overdrive Sun Gear Thrust Bearing (69) |
Inspect the bearing for wear or damage. |
| Input Sun Gear Thrust Bearing Assembly (64) |
Inspect the bearing for wear or damage. |
| Input Sun Gear Thrust Bearing Assembly (61) |
Inspect the bearing for wear or damage. |
| Reaction Sun Gear Thrust Bearing (57) |
Inspect the bearing for wear or damage. |
| Reaction Carrier Hub Bearing (54) |
Inspect the bearing for wear or damage. |
| Automatic Transmission Fluid Pump Bearing (406) |
Inspect the bearing for wear or damage. |
| Output Carrier Thrust Bearing Assembly (39) |
Inspect the bearing for wear or damage. |
| Output Sun Gear Thrust Bearing Assembly (571) |
Inspect the bearing for wear or damage. |
| Output Shaft Bearing Assembly (40) |
Inspect the bearing for wear or damage. |
| Output Shaft Bearing (46) |
Inspect the bearing for wear or damage. |
| Checks |
Causes |
| A/Trans Fluid Filter (14) |
Inspect for damaged or restricted fluid filter assembly (14) Inspect for damaged fluid filter seal assembly (26) or improper sealing interface (leaks, fluid aeration). |
| A/Trans Fluid Pump Seal (27) |
Inspect for worn or damaged seal. |