Home ReviewsRefund
Home/GMC/Cab & Chassis Sierra 3500 HD/GMC Cab & Chassis Sierra 3500 HD (2008-2012)/Repair manual/Automatic Trans/Automatic Transmission - Allison - Specifications: Specific…
Contents Wiring diagrams Section: Automatic Trans All sections

Automatic Transmission - Allison - Specifications: Specifications GMC Cab & Chassis Sierra 3500 HD

Automatic Trans ~106 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Control Valve Assembly to Main Housing Bolts12 N.m108 lb in
Converter Housing to Front Support Assembly Bolts56 N.m41 lb ft
Detent Lever Retaining Nut29 N.m21 lb ft
Detent Spring Assembly to Main Valve Body Bolts12 N.m108 lb in
Filler Tube Bracket to Transmission Nuts18 N.m13 lb ft
Fuel Line Bracket to Transmission Nut18 N.m13 lb ft
Fuel Line Retainer to Transmission Bolts2.5 N.m22 lb in
Heat Shield to Transmission Bolts17 N.m13 lb ft
Heat Shield to Transmission Nut25 N.m18 lb ft
Hydraulic Connector Assembly25 N.m18 lb ft
Input Speed Sensor to Torque Converter Housing Bolt12 N.m108 lb in
Main Pressure Tap Plug12 N.m108 lb in
Oil Cooler Line Clip to Oil Pan Nut9 N.m80 lb in
Oil Cooler to Radiator Brace Bolts12 N.m106 lb in
Oil Pan Drain Plug35 N.m26 lb ft
Oil Pan to Main Housing Bolts27 N.m20 lb ft
Oil Pump Cover to Oil Pump Bolts27 N.m20 lb ft
Output Speed Sensor to Rear Cover Bolt12 N.m108 lb in
Power Take-Off (PTO) Cover to Main Housing Bolts43 N.m32 lb ft
Shift Cable Bracket to Transmission Bolts25 N.m18 lb ft
Shift Cable Support to Steering Column Brace Bolt10 N.m89 lb in
Shift Lever to Shift Selector Shaft Nut24 N.m18 lb ft
Shipping Bracket to Torque Converter Housing Bolts27 N.m20 lb ft
Shipping Bracket to Torque Converter Lug Bolts27 N.m20 lb ft
Torque Converter Housing Inspection Cover to Transmission Bolts10 N.m89 lb in
Torque Converter to Flywheel Bolts60 N.m44 lb ft
Transmission Fluid Pressure Switch to Main Valve Body Bolts12 N.m108 lb in
Transmission Mount to Adapter Bolts (4WD)47 N.m35 lb ft
Transmission Mount to Transmission Bolts (2WD)50 N.m37 lb ft
Transmission Mount to Transmission Support Nuts50 N.m37 lb ft
Transmission Support to Frame Nuts and Bolts70 N.m52 lb ft
Transmission to Engine Studs and Bolts50 N.m37 lb ft
Turbine Speed Sensor to Main Housing Bolt12 N.m108 lb in
Wire Harness/Vent Tube Bracket to Transmission Nut18 N.m13 lb ft
Yoke Assembly to Output Shaft Bolt123 N.m91 lb ft

Torque Converter Specifications

Torque Converter ConditionMaximum Allowable End Play
New0.762 mm (0.030 inch)
Used1.015 mm (0.040 inch)

Torque Converter End Play Specifications

MeasurementAllowable Wear Limits
Minimum OD of Hub - Bushing Wear Area58.250 mm (2.2933 inch)
Minimum Distance Between Hub Flats51.691 mm (2.0351 inch)
Minimum OD of Cover Pilot43.16 mm (1.699 inch)

Torque Converter Wear Limits Specifications

Transmission General Specifications

NameAllison
Transmission Weight Dry150 kg (330 lb)
Transmission Weight Wet161.1 kg (353.0 lb)

Transmission Weight

NameAllison 1000 Series
1st Range Ratio3.10:1
2nd Range Ratio1.81:1
3rd Range Ratio1.41:1
4th Range Ratio1.00:1
5th Range Ratio0.71:1
6th Range Ratio0.61:1
Reverse Range Ratio4.49:1

Transmission Gear Ratio

Sump TemperatureResistance
Degrees CDegrees FOhms
0329.5
206810.5
4010411.5

Torque Converter Clutch Pressure Control Solenoid (TCC PCS) Specifications

Sump TemperatureResistance
Degrees CDegrees FOhms
03220.0
206822.0
4010424.5

Shift Solenoid 1 (SS1), SS2, SS3, and Modulated Main Pressure (MAIN MOD) Solenoid Specifications

Part MeasuredSpecification
MetricEnglish
Torque Converter Pump Hub Minimum OD58.250 mm2.2933 in
Torque Converter Pump Hub Minimum Distance Between Flats51.816 mm2.0400 in
Torque Converter Cover Pilot, Minimum OD43.080 mm1.6960 in
Stator Shaft, Maximum ID at Turbine Shaft Seal Ring Bore45.450 mm1.7894 in
Stator Shaft, Maximum Spline WearNo visible wearNo visible wear
Stator Shaft Bushing, Maximum ID33.850 mm1.3326 in
Transmission Oil Pump Cover Assembly Thrust Washer Thickness1.490 mm0.0590 in
1-2-3-4, 4-5-6 Clutch Housing Bushing, Maximum ID78.170 mm3.0776 in
1-2-3-4, 4-5-6 Clutch Housing Rotating Seal Bore, Maximum ID74.050 mm2.9154 in
1-2-3-4 Clutch Fiber Plates Maximum Cone0.255 mm0.0100 in
1-2-3-4 Clutch Fiber Plates Minimum Thickness2.375 mm0.0935 in
1-2-3-4 Clutch Fiber Plates Minimum Oil Groove Depth0.200 mm0.0079 in
1-2-3-4 Clutch Steel Plate Maximum Cone0.200 mm0.0079 in
1-2-3-4 Clutch Steel Plate Minimum Thickness2.135 mm0.0841 in
1-2-3-4 Clutch Backing Plate Maximum Cone0.000 mm0.0000 in
4-5-6 Clutch Fiber Plates Maximum Cone0.225 mm0.0089 in
4-5-6 Clutch Fiber Plates Minimum Thickness2.375 mm0.0935 in
4-5-6 Clutch Fiber Plates Minimum Oil Groove Depth0.200 mm0.0079 in
4-5-6 Clutch Steel Plate Maximum Cone0.240 mm0.0094 in
4-5-6 Clutch Steel Plate Minimum Thickness2.135 mm0.0841 in
Turbine Shaft Bushing, Maximum ID20.150 mm0.7933 in
Turbine Shaft Thrust Washer2.590 mm0.102 in
3rd, 5th and Reverse/2-6 Clutch Fiber Plate Maximum Cone0.225 mm0.0089 in
3rd, 5th and Reverse/2-6 Clutch Fiber Plate Minimum Thickness2.375 mm0.0935 in
3rd, 5th and Reverse/2-6 Clutch Fiber Plate Minimum Oil Groove Depth0.200 mm0.0079 in
3rd, 5th and Reverse/2-6 Clutch Steel Plate Maximum Cone0.400 mm0.0157 in
3rd, 5th and Reverse/2-6 Clutch Steel Plate Minimum Thickness2.440 mm0.0961 in
3rd, 5th and Reverse/2-6 Clutch Spring Plate Maximum Cone0.400 mm0.0157 in
3rd, 5th and Reverse/2-6 Clutch Spring Plate Minimum Thickness3.110 mm0.1224 in
3rd, 5th and Reverse Clutch Backing Plate Maximum Cone0.000 mm0.0000 in
3rd, 5th and Reverse Clutch Backing Plate Minimum Thickness15.325 mm0.6033 in
Thrust Plate Inner Rim, Minimum Thickness3.000 mm0.1181 in
2-6 Clutch Backing Plate Maximum Cone0.000 mm0.0000 in
2-6 Clutch Backing Plate Minimum Thickness15.400 mm0.6063 in
Low and Reverse Clutch Fiber Plate Maximum Cone0.225 mm0.0089 in
Low and Reverse Clutch Fiber Plate Minimum Thickness2.375 mm0.0935 in
Low and Reverse Clutch Fiber Plate Minimum Oil Groove Depth0.200 mm0.0079 in
Low and Reverse Clutch Steel Plate Maximum Cone0.295 mm0.0116 in
Low and Reverse Clutch Backing Plate Maximum Cone0.000 mm0.0000 in
Low and Reverse Clutch Backing Plate Minimum Thickness17.900 mm0.704 in
Transmission Case Clutch Plate, Spline Wear (Notching)1.150 mm0.0450 in
Input Internal Ring Gear, Maximum Spline Wear (Notching)0.130 mm0.0051 in
Input Carrier Assembly Bushing, Maximum ID50.690 mm1.9957 in
Input Carrier Assembly Thrust Washers Thickness1.490 mm0.0590 in
Input Carrier Assembly Pinion Maximum End Play1.010 mm0.0400 in
Intermediate Internal Ring Gear, Maximum Spline Wear (Notching)0.130 mm0.0051 in
Intermediate Internal Ring Gear Thrust Washer Thickness1.490 mm0.0590 in
Intermediate Carrier Assembly Pinion Maximum End Play1.010 mm0.0400 in
Intermediate Carrier Bushing, Maximum ID36.575 mm1.4400 in
Output Carrier Internal Ring Gear, Maximum Spline Wear (Notching)0.130 mm0.0051 in
Output Carrier Assembly Pinion Maximum End Play1.010 mm0.0400 in
Main Shaft Pilot, Minimum OD (Turbine Shaft and Output Shaft)19.987 mm0.7869 in
Main Shaft Journal, Minimum OD (Intermediate Carrier Bushing)36.405 mm1.4333 in
Output Shaft Bushing (2WD and 4WD), Maximum ID20.150 mm0.7933 in
Output Shaft (2WD and 4WD), Minimum Bearing Surface OD44.978 mm1.7708 in
Park Pawl Gear Wear0.000 mm0.0000 in
Output Yoke, Output Seal Surface, Minimum OD65.080 mm2.5622 in

Wear Limits

ConditionMain Pressure at 600 RPMMain Pressure at 2100 RPM
Forward/Rev Converter w/MAIN MOD Solenoid Active590-720 kPa (85-105 psi)634-758 kPa (92-110 psi)
Forward Converter w/MAIN MOD Solenoid Inactive700-138 kPa (101-200 psi)1515-1795 kPa (220-260 psi)
*Forward Lock-up w/MAIN MOD Solenoid ActiveN/A510-627 kPa (74- 91 psi)
Forward Lock-up w/MAIN MOD Solenoid InactiveN/A1000-1170 kPa (145-170 psi)
Neutral/Park w/MAIN MOD Solenoid Active590-720 kPa (85-05 psi)N/A
Neutral/Park800-1655 kPa (130-240 psi)1515-1795 kPa (220-260 psi)
* Medium duty gasoline engines only.

Modulated Main Pressure Schedule Table (Transmissions with MAIN MOD Solenoid)

Fluid Capacity Specifications

TransmissionInitial FillRefill
LitersQuartsLitersQuarts
Allison 10001212.777.4

Fluid Quantities

End Play Specifications

ApplicationMaximum End Play
MetricEnglish
New Torque Converter0.762 mm0.0300 in
Used Torque Converter1.015 mm0.0400 in
Input Carrier and Thrust Washer1.010 mm0.0400 in
Intermediate Carrier and Thrust Washer1.010 mm0.0400 in
Output Carrier and Thrust Washer1.010 mm0.0400 in
Turbine Shaft1.549 mm0.0610 in

Selective Components Specifications

IdentificationPlate Thickness
MetricEnglish
242011.1-11.9 mm0.4370-0.4685 in
852111.54-12.34 mm0.4543-0.4858 in
8522 (6222)11.98-12.78 mm0.4717-0.5031 in
8523 (6223)12.43-13.23 mm0.4894-0.5209 in
8524 (6224)12.88-13.68 mm0.5071-0.5386 in

1-2-3-4 Clutch Backplate

Dimension CThicknessIdentification
MetricEnglishMetricEnglish
1.008-1.184 mm0.0397-0.0466 in0.245-0.295 mm0.0096-0.0116 in0 Holes
1.185-1.414 mm0.0467-0.0557 in0.475-0.525 mm0.0187-0.0207 in1 Hole
1.415-1.644 mm0.0557-0.0647 in0.705-0.755 mm0.0278-0.0297 in2 Holes
1.645-1.874 mm0.0648-0.0738 in0.935-0.985 mm0.0368-0.0388 in3 Holes
1.875-2.104 mm0.0738-0.0828 in1.165-1.215 mm0.0459-0.0478 in4 Holes
2.105-2.334 mm0.0829-0.0919 in1.395-1.445 mm0.0549-0.0569 in5 Holes
2.335-2.510 mm0.0919-0.0988 in1.625-1.675 mm0.0640-0.0659 in6 Holes

Low and Reverse Clutch Piston Housing Selective Shim

Minimum ThicknessIdentification
MetricEnglish
2.435 mm0.0959 in2

Low and Reverse Clutch Steel Plate Minimum Thickness

Dimension CIdentification
MetricEnglish
35.3-35.86 mm1.393-1.412 in1
35.87-36.36 mm1.413-1.431 in2
36.37-37.27 mm1.432-1.467 in3

Low and Reverse Clutch Steel Selective Plate

Oil Pump Specifications

Part MeasuredSpecification
MetricEnglish
Bushing, Maximum ID IMPORTANT: The pump bushing must have a complete burnt-orange color Teflon® coating. If any portion of the Teflon® coating is worn and bronze material is visible, replace the pump.58.458 mm2.3015 in
Drive Gear, Maximum Distance Between Flats52.165 mm2.0537 in
Drive Gear, Maximum Side Clearance0.074 mm0.0029 in
Driven Gear, Minimum OD109.987 mm4.3302 in
Driven Gear, Maximum Side Clearance0.074 mm0.0029 in
Driven Gear/Crescent Tooth, Maximum Clearance0.264 mm0.0104 in
Driven Gear to Oil Pump Body, Maximum Diametrical Clearance0.229 mm0.0090 in
Oil Pump Body Gear Cavity, Maximum Depth22.245 mm0.8758 in
Oil Pump Body Gear Cavity, Maximum ID110.216 mm4.3392 in
Wear Plate, Minimum Thickness2.950 mm0.1161 in
IMPORTANT
The pump bushing must have a complete burnt-orange color Teflon® coating. If any portion of the Teflon® coating is worn and bronze material is visible, replace the pump.

More articles — Automatic Transmission - Allison - Specifications