Allison - Automatic Transmission
Disassembled Views
Torque Converter Housing/Automatic Transmission Case and Associated Components
20 - Torque Converter Housing
50 - Transmission Case
70 - Transmission Fill Tube Plug
71 - Transmission Fill Tube Seal (2)
72 - Transmission Internal Oil Filter Seal
73 - Transmission Internal Oil Filter
74 - Transmission Oil Pan Gasket
75 - Transmission Oil Pan Magnet
76 - Transmission Oil Pan
77 - Transmission Oil Pan Drain Plug O-ring
78 - Transmission Oil Pan Drain Plug
79 - Transmission Oil Pan Bolt, M8 x 1.25 x 20 Flanged Head
81 - Low and Reverse Clutch Housing, 2WD
Torque Converter Clutch/Converter Housing Assembly
1 - Torque Converter
2 - Torque Converter Housing
3 - Transmission Oil Cooler Pipe Connector (2)
4 - Line Pressure Test Hole Plug O-ring
5 - Line Pressure Test Hole Plug
6 - Transmission External Oil Filter
7 - Transmission External Oil Filter Magnet
8 - Transmission External Oil Filter Adapter
9 - Torque Converter Housing Access Hole Cover
10 - Torque Converter Housing Bolt, M10 x 1.5 x 70, Flanged Head (2)
11 - Torque Converter Housing Bolt, M10 x 1.5 x 50, Flanged Head (18)
12 - Torque Converter Housing Bolt, M10 x 1.5 x 25 (10)
Low and Reverse Clutch Piston Housing
1 - Low and Reverse Clutch Housing Gasket
2 - Low and Reverse Clutch Housing, 2WD
3 - Low and Reverse Clutch Housing, 4WD
4 - Low and Reverse Clutch Housing Bolt, M10 x 1.5 x 40, Flanged Head (16)
5 - Prop Shaft Front Slip Yoke Oil Seal
6 - Output Nut, 4WD
7 - Rear Shipping Cover, 2WD
8 - Rear Shipping Cover, 4WD
Automatic Transmission Case
1 - Automatic Transmission Case
2 - Transmission Case Locating Pin
3 - Transmission Vent Assembly
4 - Transmission Vent Cap
5 - Transmission Vent
6 - Vehicle Speed Sensor Bolt, M6 x 1.0 x 13
7 - Sensor Shipping Cover
8 - Turbine Speed Sensor
9 - Vehicle Speed Sensor O-Ring
10 - Power Take-Off (PTO) Cover Gasket (2)
11 - PTO Cover (2)
12 - PTO Cover Bolt, M10 x 1.5 x 20, Flanged Head, Coated (12)
13 - Manual Shift Shaft
14 - Manual Shift Shaft Seal
15 - Manual Shift Shaft Pin
16 - Manual Shift Shaft Detent Lever/Internal Mode Switch (IMS) Assembly
17 - Park Pawl Assembly
18 - Control Valve Body Locating Pin
19 - Detent Lever/IMS Bolt
20 - Connector Shipping Cover
21 - Control Valve Body Assembly
22 - Control Valve Body Bolt, M6 x 1.0 x 50, Flanged Head (15)
23 - Manual Shift Shaft Detent Spring
24 - Manual Shift Shaft Detent Spring Bolt M6 x 1.0 x 12. Flanged Head (2)
25 - Transmission Wiring Harness Assembly
Torque Converter Housing/Oil Pump Cover Assembly
1 - Torque Converter Housing/Oil Pump Cover Assembly
2 - Torque Converter Housing Bolt, M10 x 1.5 x 50, Flanged Head (10)
3 - Torque Converter Housing Bolt Seal
4 - Torque Converter Housing
5 - Torque Converter Housing Gasket
6 - Oil Pump Cover Assembly
Oil Pump Cover/Oil Pump Assembly and Associated Components
1 - Oil Pump Cover Module
2 - Oil Pump Assembly
3 - Torque Converter Housing to Case Channel Plate
4 - Seal Ring, End
5 - Seal Ring, Middle
6 - Oil Pump Cover Assembly
7 - Oil Pump Cover Assembly Bolt, M8 x 1.25 x 55, Flanged Head (5)
8 - Oil Pump Cover Assembly Thrust Washer
9 - Overlap Seal Ring (3)
Oil Pump Cover Assembly
1 - Oil Pump Cover Assembly
2 - Oil Pump Cover Assembly Bearing
3 - Oil Pump Cover
4 - Bushing, 33.8 mm (1.33 in) ID
5 - Stator Shaft
6 - Torque Converter Clutch Valve
7 - Torque Converter Clutch Valve Spring
8 - Torque Converter Clutch Valve Stop
9 - Torque Converter Clutch Valve Retainer
10 - Torque Converter Clutch Relief Valve
11 - Torque Converter Clutch Relief Valve Spring
12 - Torque Converter Clutch Relief Valve Retainer
13 - Oil Pump Lube Regulator Valve
14 - Oil Pump Lube Regulator Valve Spring
15 - Oil Pump Lube Regulator Valve Stop
16 - Oil Pump Lube Regulator Valve Stop Retainer
17 - 1-2-3-4 Clutch Backfill Valve
18 - 1-2-3-4 Clutch Backfill Valve Spring
19 - 1-2-3-4 Clutch Backfill Valve Stop
20 - 1-2-3-4 Clutch Backfill Valve Retainer
21 - Pressure Regulator Valve
22 - Pressure Regulator Valve Spring
23 - Pressure Regulator Valve Stop
24 - Pressure Regulator Spring Stop Retainer
25 - Ball
26 - Spring
27 - Retainer
28 - Plug
Oil Pump Assembly
1 - Oil Pump Assembly
2 - Oil Pump O-Ring Seal
3 - Torque Converter Oil Seal
4 - Oil Pump Bushing
5 - Oil Pump Body
6 - Oil Pump Driven Gear
7 - Oil Pump Drive Gear
8 - Locating Pin
8 - Locating Pin
9 - Oil Pump Wear Plate
Control Valve Body Assembly
1 - Control Valve Body Assembly
2 - Shift Valve Body Assembly
3 - Separator Plate
4 - Main Valve Body Assembly
5 - Transmission Fluid Pressure (TFP) Switch
6 - Main Valve Body Assembly Bolt, M6 x 10 x 50, Flanged Head (23)
7 - Transmission Fluid Pressure (TFP) Switch Bolt
Shift Valve Body Assembly
1 - Shift Valve Body Assembly
2 - Retaining Clip
3 - Shift Solenoid 2 (SS2) Shift Plug
4 - SS2 Shift Spring
5 - SS2 Shift Valve
6 - Retaining Clip
7 - SS3 Shift Plug
8 - SS3 Shift Spring
9 - SS3 Shift Valve
10 - Retaining Clip
11 - SS1 Shift Spring
12 - SS1 Shift Valve
13 - Retaining Clip
14 - Control Main Spring
15 - Control Main Valve
16 - Shift Valve Body
17 - Shift Solenoid Retainer
18 - SS1
19 - Shift Solenoid O-Ring
20 - Shift Solenoid O-Ring
21 - Modulated Main Pressure (MAIN MOD) Solenoid Retainer Bolt
22 - MAIN MOD Solenoid Retainer
23 - MAIN MOD Solenoid
24 - MAIN MOD Solenoid O-Ring
25 - Shift Solenoid Screen
26 - Manual Valve Retainer
27 - Manual Valve
28 - Manual Valve Pin
Main Valve Body Assembly
1 - Main Valve Body Assembly
2 - Retaining Clip
3 - Exhaust Pressure Regulator Valve Spring
4 - Exhaust Pressure Regulator Valve
5 - Retaining Clip
6 - Control Relief Spring
7 - Control Relief Valve
8 - Plug
9 - Plug
10 - Locating Pin (4) - Main Valve Body to Shift Valve Body
10 - Locating Pin (2) - Solenoid Retaining Bracket
11 - Pressure Control Solenoid 1 (PCS1) Spring
12 - PCS1 Valve
13 - PCS1 Valve Retaining Clip
14 - PCS1 O-Ring
15 - PCS1
16 - PCS2 Spring
17 - PCS2 Valve
18 - PCS2 Valve Retaining Clip
19 - PCS2 O-Ring
20 - PCS2
21 - Accumulator Plug (3)
22 - Accumulator Spring (3)
23 - PCS1 and PCS2 Retaining Bracket
24 - Shift Solenoid (SS) 3 O-Ring
25 - SS3 O-Ring
26 - SS3
27 - SS3 Retainer
28 - SS2 O-Ring
29 - SS2 O-Ring
30 - SS2
31 - SS2 Retainer
32 - Torque Converter Clutch Pressure Control Solenoid (TCC PCS) Spring
33 - TCC PCS Valve
34 - TCC PCS Valve Retaining Clip
35 - TCC PCS O-Ring
36 - TCC PCS O-Ring
37 - TCC PCS
38 - TCC PCS Retaining Bracket Bolt
39 - TCC PCS Retaining Bracket
40 - Main Valve Body
Torque Converter Housing, 1-2-3-4 and 4-5-6 Clutch Assembly, and 3rd, 5th, and Reverse Clutch Components
1 - Torque Converter Housing/Oil Pump Cover Assembly
2 - Torque Converter Housing to Case Gasket
3 - 1-2-3-4 and 4-5-6 Clutch Assembly
4 - Input Sun Gear Thrust Bearing
5 - Internal Retaining Ring
6 - 3rd, 5th, and Reverse Clutch Backing Plate
7 - 3rd, 5th, and Reverse Clutch Fiber Plate (4)
8 - 3rd, 5th, and Reverse Clutch Steel Plate (4)
9 - 3rd, 5th, and Reverse Clutch Piston Return Spring Assembly
10 - 3rd, 5th, and Reverse Clutch Piston Assembly (Bonded Seals)
1-2-3-4 and 4-5-6 Clutch Assembly
1 - 1-2-3-4 and 4-5-6 Clutch Assembly
2 - Seal Ring (2)
3 - Turbine Shaft Assembly
4 - Turbine Shaft
5 - Bushing, 20 mm (0.8 in) ID
6 - 1-2-3-4 and 4-5-6 Clutch Piston Housing Assembly
7 - 1-2-3-4 and 4-5-6 Clutch Bushing
8 - 1-2-3-4 and 4-5-6 Clutch Housing with Power Take-Off (PTO) Gear
9 - 1-2-3-4 and 4-5-6 Clutch Housing Assembly
10 - Turbine Tone Wheel
11 - 1-2-3-4 and 4-5-6 Clutch Housing
12 - O-ring
13 - External Retaining Ring
14 - 4-5-6 Clutch Piston Inner Seal
15 - 4-5-6 Clutch Piston Outer Seal
16 - 4-5-6 Clutch Piston
17 - 4-5-6 Clutch Return Spring Assembly
18 - 1-2-3-4 Clutch Piston Outer Seal
19 - 1-2-3-4 Clutch Piston Housing
20 - 4-5-6 Clutch Piston Return Spring Retainer
21 - 1-2-3-4 Clutch Piston Inner Seal
22 - 1-2-3-4 Clutch Piston Outer Seal
23 - 1-2-3-4 Clutch Piston
24 - 1-2-3-4 Clutch Piston Return Spring Assembly
25 - 1-2-3-4 Clutch Balance Piston
26 - 1-2-3-4 Clutch Hub Internal Retainer Ring
27 - 1-2-3-4 Clutch Steel Plate (7)
28 - 1-2-3-4 Clutch Fiber Plate (7)
29 - 1-2-3-4 Clutch Selective Backing Plate 5.84-6.04 mm (0.2299-0.2378 in)
30 - 1-2-3-4 Clutch Backing Plate External Retainer Ring
31 - 1-2-3-4 Clutch Backing Plate Internal Retainer Ring
32 - 1-2-3-4 Clutch Hub Thrust Bearing Assembly
33 - 1-2-3-4 Clutch Hub
34 - 4-5-6 Clutch Hub Thrust Bearing
35 - 4-5-6 Clutch Steel Plate (7)
36 - 4-5-6 Clutch Fiber Plate (6)
37 - 4-5-6 Clutch Hub
38 - Input Sun Gear Thrust Washer
39 - Input Sun Gear
40 - Input Sun Gear Flange
41 - Input Sun Gear External Retaining Ring
2-6 Clutch/Low and Reverse Clutch
1 - 2-6 Clutch Piston Assembly, Bonded Seals
2 - 2-6 Clutch Spring Plate Assembly
3 - 2-6 Clutch Steel Plate (6)
4 - 2-6 Clutch Fiber Plate (6)
5 - 2-6 Clutch Backing Plate
6 - Internal Retaining Ring
7 - Internal Retaining Ring
8 - Low and Reverse Clutch Backing Plate
9 - Low and Reverse Clutch Fiber Plate (6)
10 - Low and Reverse Clutch Steel Plate (5)
11 - Low and Reverse Clutch Steel Plate, Selective
Input Carrier and Ring Gear Assembly, Intermediate Carrier and Ring Gear Assembly, Main Shaft
1 - Input and 3rd, 5th, and Reverse Clutch Ring Gear
2 - Input Carrier and Ring Gear Assembly
3 - Input Carrier Thrust Bearing
4 - Intermediate Carrier and Ring Gear Assembly
5 - Intermediate Carrier Thrust Bearing
6 - Main Shaft
7 - Intermediate Sun Gear
8 - Intermediate Sun Gear Spacer
9 - Output Sun Gear
10 - Output Shaft Thrust Bearing
Input Carrier and Ring Gear Assembly
1 - Input Carrier and Ring Gear Assembly
2 - Input Carrier Thrust Washer
3 - Input Carrier Internal Retaining Ring
4 - Input Carrier Assembly
5 - Intermediate and 2-6 Clutch Ring Gear
Input Carrier Assembly
1 - Input Carrier Assembly
2 - Bushing, 53.0 mm (2.09 in) ID
3 - Input Carrier
4 - Input Carrier Spindle (4)
5 - Input Carrier Thrust Washer (4)
6 - Input Carrier Roller Bearing Assembly (8)
7 - Input Carrier Pinion Gear (4)
8 - Input Carrier Thrust Washer (4)
Intermediate Carrier and Ring Gear Assembly
1 - Intermediate Carrier and Ring Gear Assembly
2 - Intermediate Carrier Internal Retaining Ring
3 - Intermediate Carrier Assembly
4 - Output Carrier and Low and Reverse Clutch Ring Gear
Intermediate Carrier Assembly
1 - Intermediate Carrier Assembly
2 - Intermediate Carrier
3 - Intermediate Carrier Bushing, 36.0 mm (1.42 in) ID
4 - Intermediate Carrier Thrust Washer (4)
5 - Intermediate Carrier Roller Bearing Assembly (8)
6 - Intermediate Carrier Pinion Gear (4)
7 - Intermediate Carrier Thrust Washer (4)
8 - Intermediate Carrier Spindle (4)
Output Carrier Assembly, Output Shaft, Low and Reverse Clutch Return Spring Assembly, Park Pawl
1 - Park Pawl Cam Guide
2 - Park Pawl Support Pin
3 - Park Pawl
4 - Park Pawl Return Spring
5 - Low and Reverse Clutch Piston Return Spring Assembly
6 - Bushing, 20 mm (0.8 in) ID
7 - Output Shaft, 2WD
8 - Output Shaft, 4WD
9 - Output Carrier Assembly
Output Carrier Assembly
1 - Output Carrier Assembly
2 - Output Carrier
3 - Output Carrier Thrust Washer (4)
4 - Output Carrier Roller Bearing Assembly (8)
5 - Output Carrier Pinon Gear (4)
6 - Output Carrier Thrust Washer (4)
7 - Output Carrier Planetary Spindle (4)
8 - Output Carrier Bearing Race
Low and Reverse Clutch Housing Assembly, 2WD
1 - Low and Reverse Clutch Housing Assembly, 2WD
2 - Low and Reverse Clutch Piston
3 - Low and Reverse Clutch Outer Piston Seal
4 - Low and Reverse Clutch Inner Piston Seal
5 - Internal Retaining Ring
6 - Output Carrier Support Bearing
7 - Output Speed Sensor Reluctor Wheel
8 - Low and Reverse Clutch Housing, 2WD
9 - Vehicle Speed Sensor Bolt, M6 x 1.0 x 13
10 - Sensor Shipping Cover
11 - Output Speed Sensor
12 - Vehicle Speed Sensor O-Ring
13 - Low and Reverse Clutch Selective Spacer
14 - Low and Reverse Clutch External Retaining Ring
15 - Output Shaft Support Bearing
16 - Low and Reverse Clutch Internal Retaining Ring
Low and Reverse Clutch Housing Assembly, 4WD
1 - Low and Reverse Clutch Housing Assembly, 4WD
2 - Low and Reverse Clutch Piston
3 - Low and Reverse Clutch Outer Piston Seal
4 - Low and Reverse Clutch Inner Piston Seal
5 - Internal Retaining Ring
6 - Output Carrier Support Bearing
7 - Output Shaft Bearing Spacer
8 - Low and Reverse Clutch Housing, 4WD
9 - Selective Spacer
10 - External Retaining Ring
11 - Output Shaft Support Bearing
12 - Internal Retaining Ring
13 - Output shaft Retaining Nut, 4WD