Name | Hydra-Matic® 4T40-E/4T45-E | |
|---|---|---|
RPO Codes | MN4 - 4T40-E MN5 - 4T45-E | |
Production Location | Windsor, Ontario, Canada | |
Vehicle Platform Engine/Transmission Usage | J, N | |
Transmission Drive | Transverse Mounted Front Wheel Drive | |
Maximum Engine Torque | 4T40-E 270 N·m (200 lb ft) 4T45-E 290 N·m (215 lb ft) | |
Maximum Shift Speed | 1-2 6,500 RPM 2-3 6,500 RPM 3-4 6,500 RPM | |
1st Gear Ratio | 2.960:1 | |
2nd Gear Ratio | 1.626:1 | |
3rd Gear Ratio | 1.000:1 | |
4th Gear Ratio | 0.681:1 | |
Reverse | 2.143:1 | |
Torque Converter Size - Diameter of Torque Converter Turbine | 245 mm | |
Pressure Taps | Line Pressure | |
Transmission Fluid Type | DEXRON® III | |
Transmission Fluid Capacity - Approximate | Bottom Pan Removal: 6.5 L (6.9 qts) Complete Overhaul: 9.0 L (9.5 qts) Dry: 12.2 L (12.9 qts) | |
Transmission Type: 4 | Four Forward Gears | |
Transmission Type: T | Transverse Mount | |
Transmission Type: 40 | Product Series | |
Transmission Type: E | Electronic Controls | |
Position Quadrant | P, R, N, Overdrive, 3, 2, 1 | |
Case Material | Die Cast Aluminum | |
Transmission Weight Dry | 4T40-E 74.7 kg (164 lbs) 4T45-E 75.1 kg (165.6 lbs) | |
Transmission Weight Wet | 4T40-E 85.0 kg (187 lbs) 4T45-E 85.5 kg (188.5 lbs) | |
Maximum Trailer Towing Capacity | 487 kg (1,000 lbs) | |
Maximum Gross Vehicle Weight (GVW) | 1,826 kg (4,100 lbs) | |
Ratios | ||
Chain | Final Drive | Effective - Overall |
32/38 | 3.29 | 3.91 |
32/38 | 3.05 | 3.63 |
35/35 | 3.29 | 3.29 |
35/35 | 3.05 | 3.42 |
33/37 | 3.29 | 3.69 |
33/37 | 3.05 | 3.42 |
| Table 1: | Gear Ratios |
| Table 2: | End Play Specification Chart |
| Table 3: | Reverse Clutch Backing Plate Specifications |
| Table 4: | Line Pressure Chart |
4T40E/4T45-E Gear ratios | |
|---|---|
Gear | Ratio |
First | 2.96 |
Second | 1.62 |
Third | 1.00 |
Fourth | 0.68 |
Reverse | 2.14 |
Recorded Measurement | Washer Selection | Washer Dimension |
|---|---|---|
100.40-100.70 mm | Brown | 1.50-1.60 mm |
100.70-100.99 mm | Grey | 1.80-1.90 mm |
101.00-101.29 mm | Natural | 2.09-2.19 mm |
101.30-101.59 mm | Black | 2.39-2.49 mm |
101.60-101.88 mm | Orange | 2.68-2.78 mm |
101.89-102.18 mm | Violet | 2.98-3.08 mm |
102.19-102.48 mm | Yellow | 3.28-3.38 mm |
102.49-102.77 mm | Red | 3.57-3.67 mm |
102.78-103.07 mm | Green | 3.87-3.97 mm |
Recorded Measurement | Backing Plate Identification |
|---|---|
8.970-9.433 mm | A |
9.434-10.007 mm | B |
10.008-10.470 mm | C |
Transaxle in PARK or NEUTRAL | |
|---|---|
Pressure Control Solenoid Current | Approximate Line Pressure |
0.00 amp | 152-160 psi |
0.10 amp | 149-151 psi |
0.30 amp | 141-143 psi |
0.50 amp | 124-127 psi |
0.60 amp | 111-115 psi |
0.70 amp | 97-101 psi |
0.80 amp | 81-84 psi |
0.90 amp | 64-67 psi |
0.95 amp | 56-58 psi |
1.00 amp | 50-51 psi |
1.05 amp | 50 psi |
1.10 amp | 50 psi |
