Transmission General Specifications. GMC Truck GMC C Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2003 🢒 GMC C Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Transmission General Specifications

Name	Allison 1000 Series
1st Range Ratio	3.10:1
2nd Range Ratio	1.81:1
3rd Range Ratio	1.41:1
4th Range Ratio	1.00:1
5th Range Ratio	0.71:1
Reverse Range Ratio	4.49:1
Transmission Fluid Type	DEXRON® III
Maximum Gross Combined Weight (GCW)	11 800 kg (26,000 lb)*
Maximum Gross Vehicle Weight (GVW)	9 000 kg (19,850 lb)*
* Or Vehicle Manufacturers Chassis Rating, whichever is less

Transmission General Specifications F Trim Solenoid

F Trim Solenoid Specifications

Sump Temperature		Resistance
Degrees C	Degrees F	Ohms
0	32	9.5
20	68	10.5
40	104	11.5

Transmission General Specifications C, D, E Solenoids

C, D, and E On/Off Shift Solenoid Specifications

Sump Temperature		Resistance
Degrees C	Degrees F	Ohms
0	32	20.0
20	68	22.0
40	104	24.5

Transmission General Specifications Wear Limits

Torque Converter Wear Limits

Part Measured	Specification
Part Measured	Metric	English
Torque Converter Pump Hub Minimum OD	58.250 mm	2.2933 in
Torque Converter Pump Hub Minimum Distance Between Flats	51.816 mm	2.0400 in
Torque Converter Cover Pilot, Minimum OD	43.080 mm	1.6960 in
Ground Sleeve, Maximum ID at Turbine Shaft Sealring Bore	45.450 mm	1.7894 in
Ground Sleeve, Maximum Spline Wear	No visible wear mm	No visible wear
Ground Sleeve Bushing, Maximum ID	33.850 mm	1.3326 in
Front Support Thrust Washer Thickness	1.490 mm	0.0590 in
Rotating Clutch Housing Bushing, Maximum ID	78.170 mm	3.0776 in
Rotating Clutch Housing Rotating Seal Bore, Maximum ID	74.050 mm	2.9154 in
C1 Friction Plates Maximum Cone	0.255 mm	0.0100 in
C1 Friction Plates Minimum Thickness	2.375 mm	0.0935 in
C1 Friction Plates Minimum Oil Groove Depth	0.200 mm	0.0079 in
C1 Steel Reaction Plate Maximum Cone	0.200 mm	0.0079 in
C1 Steel Reaction Plate Minimum Thickness	2.135 mm	0.0841 in
C1 Backplate Maximum Cone	0.000 mm	0.0000 in
C2 Friction Plates Maximum Cone	0.225 mm	0.0089 in
C2 Friction Plates Minimum Thickness	2.375 mm	0.0935 in
C2 Friction Plates Minimum Oil Groove Depth	0.200 mm	0.0079 in
C2 Steel Reaction Plate Maximum Cone	0.240 mm	0.0094 in
C2 Steel Reaction Plate Minimum Thickness	2.135 mm	0.0841 in
Turbine Shaft Bushing, Maximum ID	20.150 mm	0.7933 in
Turbine Shaft Thrust Washer	2.590 mm	0.102 in
C3/C4 Friction Plate Maximum Cone	0.225 mm	0.0089 in
C3/C4 Friction Plate Minimum Thickness	2.375 mm	0.0935 in
C3/C4 Friction Plate Minimum Oil Groove Depth	0.200 mm	0.0079 in
C3/C4 Steel Reaction Plate Maximum Cone	0.400 mm	0.0157 in
C3/C4 Steel Reaction Plate Minimum Thickness	2.440 mm	0.0961 in
C3/C4 Spring Plate Maximum Cone	0.400 mm	0.0157 in
C3/C4 Spring Plate Minimum Thickness	3.110 mm	0.1224 in
C3 Backplate Maximum Cone	0.000 mm	0.0000 in
C3 Backplate Minimum Thickness	15.325 mm	0.6033 in
Thrust Plate Inner Rim, Minimum Thickness	3.000 mm	0.1181 in
C4 Backplate Maximum Cone	0.000 mm	0.0000 in
C4 Backplate Minimum Thickness	15.400 mm	0.6063 in
C5 Friction Plate Maximum Cone	0.225 mm	0.0089 in
C5 Friction Plate Minimum Thickness	2.375 mm	0.0935 in
C5 Friction Plate Minimum Oil Groove Depth	0.200 mm	0.0079 in
C5 Steel Reaction Plate Maximum Cone	0.295 mm	0.0116 in
C5 Backplate Maximum Cone	0.000 mm	0.0000 in
C5 Backplate Minimum Thickness	17.900 mm	0.704 in
Main Housing Clutch Plate, Spline Wear (Notching)	1.150 mm	0.0450 in
P1 Ring Gear, Maximum Spline Wear (Notching)	0.130 mm	0.0051 in
P1 Carrier Assembly Bushing, Maximum ID	50.690 mm	1.9957 in
P1 Carrier Assembly Thrust Washers Thickness	1.490 mm	0.0590 in
P1 Carrier Assembly Pinion Maximum End Play	1.010 mm	0.0400 in
P2 Ring Gear, Maximum Spline Wear (Notching)	0.130 mm	0.0051 in
P2 Ring Gear Thrust Washer Thickness	1.490 mm	0.0590 in
P2 Carrier Assembly Pinion Maximum End Play	1.010 mm	0.0400 in
P2 Carrier Bushing, Maximum ID	36.575 mm	1.4400 in
P3 Ring Gear, Maximum Spline Wear (Notching)	0.130 mm	0.0051 in
P3 Carrier Assembly Pinion Maximum End Play	1.010 mm	0.0400 in
Main Shaft Pilot, Minimum OD (Turbine Shaft and Output Shaft)	19.987 mm	0.7869 in
Main Shaft Journal, Minimum OD (P2 Carrier Bushing)	36.405 mm	1.4333 in
Output Shaft Bushing (2WD and 4WD), Maximum ID	20.150 mm	0.7933 in
Output Shaft (2WD and 4WD), Minimum Bearing Surface OD	44.978 mm	1.7708 in
Parking Pawl Gear Wear	0.000 mm	0.0000 in
Output Yoke, Output Seal Surface, Minimum OD	65.080 mm	2.5622 in

Transmission General Specifications Transmission Weight

Transmission Weight

Name	Allison
Transmission Weight Dry	150 kg (330 lb)
Transmission Weight Wet	161.1 kg (353.0 lb)

Transmission General Specifications Transmission Gear Ratio

Name	Allison 1000 Series
1st Range Ratio	3.10:1
2nd Range Ratio	1.81:1
3rd Range Ratio	1.41:1
4th Range Ratio	1.00:1
5th Range Ratio	0.71:1
Reverse Range Ratio	4.49:1