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Automatic Transaxle Diagnosis - 4T65-E: Application Oldsmobile Aurora II

Automatic Trans

APPLICATION

WARNINGVehicle is equipped with Supplemental Inflatable Restraint (SIR) system. When servicing vehicle, use care to avoid accidental air bag deployment. SIR system-related components are located in various locations throughout interior and exterior of vehicle, depending on application. Do not use electrical test equipment on or near these circuits. If necessary, deactivate SIR system before servicing components. See AIR BAG DEACTIVATION PROCEDURES article in GENERAL INFORMATION.
ApplicationTransaxle Model
Aurora (3.5L)4T64E (MN3)

TRANSAXLE APPLICATION

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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