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Automatic Transmission Overhaul - 4L80-E: Application GMC C3500 HD

Automatic Trans

APPLICATION

ApplicationTransaxle
All Models4L80-E

TRANSMISSION APPLICATIONS

CLUTCH & BAND APPLICATION

Selector Lever PositionSolenoid PositionsElements In Use
"D" (Overdrive)
1st Gear"A" ON/"B" OFF(1) Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & (1) Low Roller Clutch
2nd Gear"A" OFF/"B" OFF(1) Overdrive Roller Clutch, Forward Clutch, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
3rd Gear"A" OFF/"B" ON(1) Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
Overdrive"A" ON/"B" ON4th Clutch, (3) Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"D" (Manual 3rd)
1st Gear"A" ON/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & (1) Low Roller Clutch
2nd Gear"A" OFF/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
3rd Gear"A" OFF/"B" ONOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"2" (Manual 2nd)
1st Gear"A" ON/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & (1) Low Roller Clutch
2nd Gear"A" OFF/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, Front Band, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"1" (Manual Low)
1st Gear"A" ON/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch, (1) Low Roller Clutch & Rear Band
2nd Gear"A" OFF/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, Front Band, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"R" (Reverse)"A" ON/"B" OFF(1) Overdrive Roller Clutch, Direct Clutch & Rear Band
"N" (Neutral"A" ON/"B" OFF(1) Overdrive Roller Clutch Holding, All Other Clutches & Bands Released Or Ineffective
"P" (Park)"A" ON/"B" OFF(1) Overdrive Roller Clutch Holding, All Other Clutches & Bands Released Or Ineffective
(1) Holding. (2) Applied but not effective. (3) Overrunning.
(1)Holding.
(2)Applied but not effective.
(3)Overrunning.

CLUTCH & BAND APPLICATION CHART (4L80-E)

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