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Automatic Transmission Diagnosis - 4L60-E: Application Pontiac Firebird IV

CLUTCH & BAND APPLICATION

Selector Lever PositionShift Solenoid PositionElements 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
"P" (Park)1-2 ON/2-3 ONLow Reverse Clutch
"N" (Neutral)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