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Home >> Hummer >> 2003 >> H1 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Transmission - Hydraulic Diagrams - 4L80-E >> Automatic Transmission System Hydraulic Diagrams

Automatic Transmission System Hydraulic Diagrams

Fig 1: Park Or Neutral - Engine Running
G00390353Courtesy of GENERAL MOTORS CORP.
Fig 2: Reverse
G00390354Courtesy of GENERAL MOTORS CORP.
Fig 3: Overdrive Range, First Gear
G00390355Courtesy of GENERAL MOTORS CORP.
Fig 4: Overdrive Range, Second Gear
G00390356Courtesy of GENERAL MOTORS CORP.
Fig 5: Overdrive Range, Third Gear - TCC Applied
G00390357Courtesy of GENERAL MOTORS CORP.
Fig 6: Overdrive Range, Fourth Gear - TCC Applied
G00390358Courtesy of GENERAL MOTORS CORP.
Fig 7: Overdrive Range, 4-3 Downshift
G00390359Courtesy of GENERAL MOTORS CORP.
Fig 8: Overdrive Range, 3-2 Downshift
G00390360Courtesy of GENERAL MOTORS CORP.
Fig 9: Manual Third Gear - TCC Applied
G00390361Courtesy of GENERAL MOTORS CORP.
Fig 10: Manual Second Gear
G00390362Courtesy of GENERAL MOTORS CORP.
Fig 11: Manual First Gear
G00390363Courtesy of GENERAL MOTORS CORP.