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Fig. 110: PNP Switch Lever
Courtesy of GENERAL MOTORS CORP.
5. Move the park/neutral position (PNP) switch lever counterclockwise until stoppin
g the lever.
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Fig. 116: Turning PNP Switch Lever
Courtesy of GENERAL MOTORS CORP.
3. Temporarily install the control lever
4. Turn the lever counterclockwise until it stops, then turn it clockwise 2 notches.
5. Remove the control lever.
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Fig. 253: Verifying Planetary Gear Turns Freely
Courtesy of GENERAL MOTORS CORP.
62. Verif
y that the planetary gear turns freely counterclockwise and locks clockwise.
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Fig. 313: Turning PNP Switch Lever
Courtesy of GENERAL MOTORS CORP.
137. Turn the lever counterclockwise until the lever stops, then turn clockwise 2 notches.
138. Remove the control lever.
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Fig. 354: Turning Rear Planetary Sun Gear & One-Way Clutch
Courtesy of GENERAL MOTORS CORP.
1. Install the one-way clutch and thrust washer to the rear planetary sun gear.
2. Hold the rear planetary sun gear and turn the one-way clutch. The one-way clutch should turn freely
clockwise and should lock counterclockwise.
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Fig. 360: Turning Rear Planetary Sun Gear & One-Way Clutch
Courtesy of GENERAL MOTORS CORP.
4. Install the one-way clutch and thrust washer to the rear planetary sun gear.
5. Hold the rear planetary sun gear and turn the one-way clutch. The one-way clutch should turn freely
clockwise and should lock counterclockwise.
FORWARD AND REVERSE CLUTCH DISASSEMBLE
Tools Required
DT 46451 (DW240-020) Brake/Clutch Spring Compressor. See Special Tools.
DT 46452 (DW240-030) Forward Clutch Adapter. See Special Tools.
DT 46520 (DW240-120) Measuring Terminal. See Special Tools.
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A. Front Planetary Gear
B. Rear Planetary Gear
D - 4th Gear
1. The input shaft rotates clockwise.
The direct clutch (C2) operates. Connect the input shaft to the planetary carrier.
2. The planetary carrier revolves clockwise.
3. The planetary long pinion rotates itself clockwise.
4. The rear planetary sun gear is going to rotate counterclockwise.
The O/D and 2nd brake (B1) operates. Lock rotates the planetary sun gear.
5. The planetary long pinion revolves clockwise while rotating itself clockwise.
6. The ring gear rotates clockwise.
7. The counter drive gear rotates clockwise for the ring gear and one.
8. The counter driven gear rotates counterclockwise.
9. The differential gear drive pinion rotates counterclockwise for the counter driven gear and one.
10. The differential gear rotates clockwise.
Engine Brake
The driving force is connected to the input shaft directory without the 1-way clutch. Therefore the engine brake
operates.
MANUAL THIRD GEAR
Manual Third Gear
Position
SolenoidClutchBrake1-Way Clutch
Shift 1Shift 2TimingC1C2C3B1B2B3F1F2
D3rdOFFOFFOFFONONOFFOFFONOFFOFFOFF
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1. The input shaft rotates clockwise.
The forward clutch (C1) operates. Connect the input shaft to the front sun gear.
The direct clutch (C2) operates. Connect the input shaft to the planetary carrier.
2. The planetary short pinion and the planetary long pinion can not rotate itself, and the planetary gear unit
rotates clockwise as one.
3. The counter drive gear rotates clockwise for the ring gear and one.
4. The counter drive gear rotates counterclockwise.
5. The differential drive pinion rotates counterclockwise for the counter driven gear and one.
6. The differential rotates clockwise.
Engine Brake
The driving force is connected to the input shaft directory without the 1-way clutch. Therefore the engine brake
operates.
MANUAL SECOND GEAR
Manual Second Gear
Position
SolenoidClutchBrake1-Way Clutch
Shift 1Shift 2TimingC1C2C3B1B2B3F1F2
D2ndONOFFOFFONOFFOFFOFFONOFFONOFF
22ndONOFFOFFONOFFOFFONONOFFONOFF
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