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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1027 (Automatic Transmission - ALLISON (Troubleshooting)) >> Troubleshooting >> Low Main Line Pressure in specific Ranges, Normal Pressure in Other Ranges

Low Main Line Pressure in specific Ranges, Normal Pressure in Other Ranges

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Low Main Line Pressure in specific Ranges, Normal Pressure in Other Ranges

Condition Action
Seal leak Replace the seals that are causing low pressure in a particular range.