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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6L80E) >> Diagnostic Information and Procedures >> Noise in Fourth, Fifth, or Sixth Gear

Noise in Fourth, Fifth, or Sixth Gear

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Noise in Fourth, Fifth, or Sixth Gear

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).