For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 GMC Sierra Denali 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Low Main Line Pressure in Specific Ranges, Normal Pressure in Other Ranges

Low Main Line Pressure in Specific Ranges, Normal Pressure in Other Ranges for GMC Truck GMC Sierra Denali 2006

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