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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Overhaul, Troubleshooting & Diagnosis >> Symptoms - Automatic Transmission >> No Fourth Gear or Slips in Fourth Gear

No Fourth Gear or Slips in Fourth Gear

No 4th or Slipping 4th

Checks Causes
Checkball #2, 4, 8 or 12 Valve body checkball in wrong location or an additional checkball is installed. Refer to Control Valve Body Installation .
Orificed Cup Plug (240) Not fully pressed into pump cover. Refer to Oil Pump Stator Shaft Bushing Replacement .