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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> No Drive in Drive Range

No Drive in Drive Range

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
No Drive in Drive Range

Checks Causes
Oil Pump (4)
  • Damaged vanes
  • Missing slide spring
  • Oil pump screen assembly plugged or damaged
  • Oil pump rotor guide omitted or misassembled
  • Oil pump rotor cracked or broken
  • Porosity in fluid pump
  • Oil pump surfaces not flat
  • Excessive oil pump rotor clearance
Forward Sprag Clutch Assembly (642)
  • Damaged sprag
  • Worn or pitted inner race
Input (662) and Reaction (681) Carrier Damaged or worn gears
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