Contents Wiring diagrams Section: Automatic Trans All sections

Diagnosis - 4L60-E: Application Chevrolet Suburban C1500

APPLICATION

ManufacturerModel (Body Code)Engine
BuickRoadmaster ("B")5.7L
CadillacFleetwood ("D")5.7L
ChevroletAstro ("L & M")4.3L
ChevroletBlazer ("S & T")2.2L/4.3L
ChevroletCamaro ("F")3.4L/5.7L
ChevroletCaprice ("B")4.3L/5.7L
ChevroletCorvette ("Y")5.7L
ChevroletImpala SS ("B")5.7L
ChevroletSuburban & ("C" & "K") PickupAll
ChevroletTahoe ("C & K")5.7L
ChevroletVan ("G")All
GMCJimmy ("S & T")4.3L
GMCPassenger Van ("G")4.3L
GMCSafari ("L & M")4.3L
GMCSierra ("C & K")All
GMCSonoma ("S & T")2.2L/4.3L
GMCSport Van ("G")All
GMCVandura ("G")All
GMCYukon ("C & K")5.7L
OldsmobileBravada ("S & T")4.3L
PontiacFirebird ("F")3.4L/5.7L

4L60-E APPLICATION

CLUTCH & BAND APPLICATION

Selector Lever PositionSolenoid PositionShift Elements In Use
"D" (Overdrive)
First Gear1-2 ON/2-3 ONForward Clutch, Forward Sprag & Low Roller Clutch
Second Gear1-2 OFF/2-3 ONForward Clutch, Forward Sprag 2-4 Band
Third Gear1-2 OFF/2-3 OFFForward Clutch, Forward Sprag 3-4 Clutch
Overdrive1-2 ON/2-3 OFFForward Clutch 2-4 Band & 3-4 Clutch
"D" (Drive)
First Gear1-2 ON/2-3 ONForward Clutch, Forward Sprag & Low Roller Clutch
Second Gear1-2 OFF/2-3 ONForward Clutch, Forward Sprag 2-4 Band
Third Gear1-2 OFF/2-3 OFFForward Clutch, Forward Sprag, Overrun Clutch 3-4 Clutch
"2" (Intermediate)
First Gear1-2 ON/2-3 ONForward Clutch, Forward Sprag, Low Roller Clutch & Overrun Clutch
Second Gear1-2 OFF/2-3 ONForward Clutch, Forward Sprag, Overrun Clutch 2-4 Band
"1" (Low)
First Gear1-2 ON/2-3 ONForward Clutch, Forward Sprag, Low Reverse Clutch, Low Roller Clutch & Overrun Clutch
Second Gear (1)1-2 OFF/2-3 ONForward Clutch, Forward Sprag, Overrun Clutch 2-4 Band
"R" (Reverse)1-2 ON/2-3 ONLow Reverse Clutch & Reverse Input Clutch
"N" Or "P" Neutral Or Park)1-2 ON/2-3 ONAll Clutches & Bands Released Or Ineffective
(1) Gear is only available above 30-35 MPH.
(1)Gear is only available above 30-35 MPH.

CLUTCH & BAND APPLICATION CHART (4L60-E)