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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 153 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Service, Diagnosis & Troubleshooting) >> No First or Second Gear/No Third or Fourth Gear

No First or Second Gear/No Third or Fourth Gear

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
No 1st or 2nd/No 3rd or 4th

Checks Causes
2-3 Shift Solenoid Valve (367B)
  • Sediment is in the valves
  • The electrical connection is faulty
  • Damaged seal
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