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Transmission Specifications

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Fig 1: Allison 1000 series Automatic Transmission - Spring Data Chart
G00117119Courtesy of GENERAL MOTORS CORP.
FRONT SUPPORT & MAIN PUMP MODULE SPECIFICATIONS

Application In. (mm)
Ground Sleeve
Bushing Inside Diameter (Maximum) 1.3315 (33.820)
Inside Diameter At Shaft Seal Ring Bore (Maximum) 1.7894 (45.451)
Spline Wear (Maximum) 0.000 (0.00)
Main Pump
Bushing Inside Diameter (Maximum) 2.3015 (58.458)
Drive Gear Distance Between Flats - Dimension "A" (2)(Maximum) 2.0537 (52.164)
Drive Gear-To-Wear Plate Side Clearance (Maximum) .0026 (.066)
Driven Gear
Diameter Clearance W/Pump Body (Maximum) .0080 (.203)
Outside Diameter (Minimum) 4.2908 (108.986)
Tooth Clearance W/Crescent (Maximum) .0179 (.455)
To-Wear Plate Side Clearance (Maximum) .0022 (.056)
Gear Cavity
Dimension "A" (1) (Maximum) 0.9819 (24.940)
Dimension "B" (1) (Maximum) 4.2988 (109.190)
Wear Plate Thickness (Minimum) .1161 (2.950)
Thrust Washer Thickness (Minimum) .059 (1.50)
(1) See Figure.
(2) See Figure.
MAIN HOUSING MODULE SPECIFICATIONS

Application In. (mm)
Clutch Plate Spline Wear (Notching) .0450 (1.143)
C3 Backplate
Cone (Maximum) .0000 (.000)
Thickness (Minimum) .6033 (15.324)
Thrust Washer Inner Rim Thickness (Minimum) .1150 (2.921)
C3/C4 Friction Plate
Cone (Maximum) .0089 (.226)
Oil Groove Depth (Minimum) .0079 (.201)
Thickness (Minimum) .0935 (2.375)
C3/C4 Spring Plate
Cone (Maximum) .0157 (.399)
Thickness (Minimum) .1224 (3.109)
C3/C4 Steel Reaction Plate
Cone (Maximum) .0157 (.399)
Thickness (Minimum) .0961 (2.441)
C4 Backplate
Cone (Maximum) .0000 (.000)
Thickness (Minimum) .6063 (15.400)
C5 Backplate
Cone (Maximum) .0000 (0.000)
Thickness (Minimum) .7047 (17.899)
C5 Friction Plate
Cone (Maximum) .0089 (.226)
Oil Groove Depth (Minimum) .0079 (.201)
Thickness (Minimum) .0935 (2.375)
C5 Steel Reaction Plate
Cone (Maximum) .0116 (.295)
Thickness (Minimum) Selective
No. 29536481 .0762 (1.935)
No. 29536482 .0959 (2.436)
No. 29536483 .1156 (2.936)
P1 Planetary Ring Gear Spline Wear (Maximum) (Notching) .0150 (.381)
PLANETARY GEAR MODULE SPECIFICATIONS

Application In. (mm)
Main Shaft
Journal Minimum Outside Diameter (P2 Carrier Bushing) 1.4333 (36.406)
Pilot Minimum Outside Diameter (Turbine & Output Shafts) .7869 (19.987)
P1 Carrier Assembly
Bushing Inside Diameter (Maximum) 1.9957 (50.690)
Pinion Gear End Play (Maximum) .0400 (1.010)
P2 Ring Gear Spline Wear (Maximum) (Notching) .0150 (.381)
Thrust Washer Thickness (Minimum) .059 (1.50)
To-Thrust Washer End Play (Maximum) .0400 (1.010)
P2 Carrier Assembly
Bushing Inside Diameter (Maximum) 1.4404 (36.586)
Pinion Gear End Play (Maximum) .0400 (1.010)
P3 Ring Gear Spline Wear (Maximum) (Notching) .0150 (.381)
To-Thrust Washer End Play (Maximum) .0400 (1.010)
REAR COVER MODULE SPECIFICATIONS

Application In. (mm)
Output Shaft
Bearing Surface Outside Diameter (Minimum) 1.7708 (44.978)
Bushing Inside Diameter (Maximum) .7925 (20.130)
Output Yoke Seal Surface Outside Diameter (Minimum) 2.5622 (65.080)
P3 Carrier Assembly
Parking Pawl Gear Wear .000 (.00)
Pinion Gear End Play (Maximum) .0400 (1.010)
To-Thrust Washer End Play (Maximum) .0400 (1.010)
ROTATING CLUTCH MODULE SPECIFICATIONS

Application In. (mm)
C1 Backplate
Cone (Maximum) .000 (.00)
Thickness (Minimum) Selective
No. 29536221 .4661 (11.839)
No. 29536222 .4835 (12.280)
No. 29536223 .5012 (12.730)
No. 29536224 .5189 (13.180)
No. 29536225 .5366 (13.630)
C1 Friction Plate
Cone (Maximum) .0100 (.254)
Oil Groove Depth (Minimum) .0079 (.201)
Thickness (Minimum) .0935 (2.375)
C1 Steel Reaction Plate
Cone (Maximum) .0079 (.201)
Thickness (Minimum) .0841 (2.136)
C2 Friction Plate
Cone (Maximum) .0089 (.226)
Oil Groove Depth (Minimum) .0079 (.201)
Thickness (Minimum) .0935 (2.375)
C2 Steel Reaction Plate
Cone (Maximum) .0094 (.239)
Thickness (Minimum) .0841 (2.136)
Housing
Bushing Inside Diameter (Maximum) 3.0776 (78.171)
Rotating Seal Bore Inside Diameter (Maximum) 2.9154 (74.051)
Thrust Washer Thickness (Minimum) .102 (2.59)
Turbine Shaft
Bushing Inside Diameter (Maximum) .7925 (20.130)
End Play .0610 (1.549)
TORQUE CONVERTER MODULE SPECIFICATIONS

Application In. (mm)
Cover Pilot Outside Diameter (Minimum) 1.699 (43.15)
Converter Pump Hub Distance Between Flats (Minimum) 2.0351 (51.692)
Converter Pump Hub Outside Diameter (Minimum) 2.2933 (58.250)
Maximum Torque Converter End Play
New .0300 (.762)
Used .0400 (1.016)