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Automatic Transmission - Diagnosis - 4L80-E: Application Chevrolet Pickup C3500

Automatic Trans

APPLICATION

ApplicationEngine
Chevrolet & GMC
"C", "G", "K" &, "P" Series4.3L, 5.7L, 6.2L, 6.5L & 7.4L

THM 4L80-E APPLICATION

ModelSeries
Blazer"K"
Parcel Van"P"
Pickup
2WD"C"
4WD"K"
Sierra & Suburban
2WD"C"
4WD"K"
Van"G"
Yukon"K"

1993-94 SERIES CODE DESIGNATIONS

CLUTCH & BAND APPLICATION TABLE

Selector Lever PositionSolenoid PositionsElements In Use
"D" (Overdrive) 1st Gear"A" ON/"B" OFF(1) Overdrive Roller Clutch, Forward Clutch, (2) Intermediate Sprag Clutch & Low Roller Clutch
"D" (Overdrive) 2nd Gear"A" OFF/"B" OFF(1) Overdrive Roller Clutch, Forward Clutch, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"D" (Overdrive) 3rd Gear"A" OFF/"B" ON(1) Overdrive Roller Clutch, Forward Clutch, Direct Clutch, (3) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"D" (Overdrive) 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
"D" (Manual 3rd) 2nd Gear"A" OFF/"B" OFFOverrun Clutch, (1) Overdrive Roller Clutch, Forward Clutch, (1) Intermediate Sprag Clutch, Intermediate Clutch & (3) Low Roller Clutch
"D" (Manual 3rd) 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
"2" (Manual 2nd) 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
"1" (Manual Low) 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" Or "P" (Neutral Or Park)"A" ON/"B" OFF(1) Overdrive Roller Clutch, 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

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