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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 >> Noise In Fourth, Fifth, Or Sixth Gear

Noise In Fourth, Fifth, Or Sixth Gear

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
Input Sun Gear Thrust Washer (55) Inspect for wear or damage.
Turbine Shaft Thrust Bearing Assembly (57) Inspect for wear or damage.
4 - 5 - 6 Clutch (with Output Carrier Shaft and Dampener) Hub Assembly (58)
  • Inspect for damaged or worn 4 - 5 - 6 clutch backing plate (432).
  • Inspect for improper selective 4 - 5 - 6 clutch backing plate retaining ring (431).
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