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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1328 (Automatic Transmission, 4L60-E/4L65-E (Troubleshooting)) >> Troubleshooting >> No Fourth Gear, or Slips in Fourth Gear

No Fourth Gear, or Slips in Fourth Gear

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
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 in Transmission Unit Repair article-4L60-E.
Orificed Cup Plug (240) Not fully pressed into pump cover. Refer to Oil Pump Stator Shaft Bushing Replacement in Transmission Unit Repair article-4L60-E.
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