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Automatic Transaxle Diagnosis - 4T65-E: Application Pontiac Bonneville X

Automatic Trans

CLUTCH & BAND APPLICATIONS

Gearshift Lever PositionSolenoid PositionElements In Use
"D" (Drive)
1st Gear1-2 ON/2-3 ONInput Clutch, (1) Input Sprag, Forward Band & (1) 1-2 Support Roller Clutch
2nd Gear1-2 OFF/2-3 ON2nd Clutch, (2) Input Clutch, (3) Input Sprag, Forward Band & (1) 1-2 Support Roller Clutch
3rd Gear1-2 OFF/2-3 OFF2nd Clutch, 3rd Clutch, (1) 3rd Sprag, Forward Band & (3) 1-2 Support Roller Clutch
Overdrive1-2 ON/2-3 OFF2nd Clutch, (2) 3rd Clutch, 4th Clutch, (3) 3rd Sprag, Forward Band & (3) 1-2 Support Roller Clutch
"3" (Manual 3rd)
3rd Gear1-2 OFF/2-3 OFF2nd Clutch, 3rd Clutch, (1) 3rd Sprag, Input Clutch, (1) Input Sprag, Forward Band & (3) 1-2 Support Roller Clutch
2nd Gear1-2 OFF/2-3 ON2nd Clutch, (2) Input Clutch, (3) Input Sprag, Forward Band & (1) 1-2 Support Roller Clutch
1st Gear1-2 ON/2-3 ONInput Clutch, (1) Input Sprag, Forward Band & (1) 1-2 Support Roller Clutch
"2" (Manual 2nd)
2nd Gear1-2 OFF/2-3 ON2nd Clutch, (2) Input Clutch, (3) Input Sprag, Forward Band, (1) 1-2 Support Roller Clutch & 2-1 Band
1st Gear1-2 ON/2-3 ONInput Clutch, (1) Input Sprag, Forward Band, (1) 1-2 Support Roller Clutch & 2-1 Band
"1" (Manual Low)
1st Gear1-2 ON/2-3 ON3rd Clutch, (1) 3rd Sprag, Input Clutch, (1) Input Sprag, Forward Band, (1) 1-2 Support Roller Clutch & 2-1 Band
"R" (Reverse)1-2 ON/2-3 ONReverse Band, Input Clutch & (1) Input Sprag
"N" Or "P" (Neutral Or Park)1-2 ON/2-3 ONInput Clutch & (1) Input Sprag
(1) Holding. (2) Applied but not effective. (3) Overrunning.
(1)Holding.
(2)Applied but not effective.
(3)Overrunning.

CLUTCH & BAND APPLICATIONS

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