LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> Whine/Growl Noise That Changes With Vehicle Speed

Whine/Growl Noise That Changes With Vehicle Speed

WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
2 - 6 and 3 - 5 - R Clutch Hub Thrust Bearing Assembly (65) Inspect the bearing for wear or damage.
Output Carrier Assembly (68)
  • Inspect the carrier assembly for damaged pinion gears, thrust washers, pins, and rollers.
  • Inspect for a damaged center support roller bearing assembly (485).
  • Inspect for damaged thrust bearings (486, 488).
  • Inspect for damaged sun gears (487, 489).
  • 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 Carrier Thrust Bearing Assembly (69) Inspect the bearing for wear or damage.
Output Shaft Assembly (70)
  • Inspect for damaged internal gears (495, 497).
  • Inspect the output carrier bushing (498) for damage or wear.
Output Shaft Thrust Bearing Assembly (71) Inspect the bearing for wear or damage.
Input Sun Gear Thrust Washer (55) Inspect the washer for wear or damage.
Input Sun Gear Thrust Bearing (54) Inspect the bearing for wear or damage.
Input Sun Gear (53) Inspect for spline wear or damage.
Input Carrier Assembly (52) Inspect the carrier assembly for damaged pinion gears, thrust washers, pins, and rollers.
1 - 2 - 3 - 4 Clutch Hub Thrust Bearing Assembly (63) Inspect the bearing for wear or damage.
2 - 6 and 3 - 5 - R Clutch (with Output Carrier Outer Sun Gear Shaft) Hub Assembly (64) Inspect the output carrier inner sun gear shaft bushings (60 and 62) for damage or wear.
Turbine Shaft Thrust Bearing Assembly (57) Inspect the bearing for wear or damage.
Fluid Filter Assembly (26)
  • Inspect for damaged or restricted fluid filter assembly (26)
  • Inspect for damaged fluid filter seal assembly (25) or improper sealing interface (leaks, fluid aeration).
Automatic Transmission Fluid Pump Seal (5) Inspect for worn or damaged seal.
Transmission Fluid Level Inspect to ensure the transmission fluid is at the proper level. Transmission Fluid Level and Condition Check 
scientia non olet · About LEMON Manuals