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Home >> Chevrolet >> 2011 >> Corvette ZR-1 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - 6L80-E - Symptom Troubleshooting & Diagnosis) >> Noise in Fourth, Fifth, or Sixth Gear

Noise in Fourth, Fifth, or Sixth Gear

WARNING: This page is about a different variant/trim than selected.
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 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).