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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1724 (Automatic Transmission - 2ML70 - Symptom Troubleshooting And Diagnosis) >> Noise in First, Second, or Reverse Gear

Noise in First, Second, or Reverse Gear

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
Hybrid Low, 1-2 Clutch Assembly (428) Inspect for worn or damaged output carrier outer sun gear shaft front and rear bushings.
Sun Gear Carrier Assembly - 3rd Position (434) Inspect for a worn or damaged roller bearing assembly.