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Home >> Chevrolet >> 2012 >> Tahoe PPV >> Repair and Diagnosis >> External Pages >> Different car >> Section 919 (Automatic Transmission - 6L50/6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> Noise in Second or Sixth Gear

Noise in Second or Sixth Gear

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Noise in Second or Sixth Gear

Checks Causes
Center Support with 2-6 Low and Reverse Clutch Assembly (67)
  • Inspect for damaged or worn output carrier outer sun gear shaft front bushing (458).
  • Inspect for damaged or worn output carrier outer sun gear shaft rear bushing (460).
  • Inspect for damaged 2-6 clutch backing plate (451). Inspect for worn splines on backing plate.
  • Inspect for damaged 2-6 clutch backing plate retaining ring (450).
  • Inspect for damaged 2-6 clutch piston assembly (457), spring (456), retaining ring (455), and center support assembly (459).