Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Transmission General Specifications - On-Vehicle

RPO Codes M15/MN7
Production Location Warren, MI
Vehicle Platform (Engine/transmission) Usage C,G,H,W
Transmission Drive Transverse Mounted Front Wheel Drive
1st Gear Ratio 2.921:1
2nd Gear Ratio 1.568:1
3rd Gear Ratio 1.000:1
4th Gear Ratio 0.705:1
Reverse 2.385:1
Torque Converter Size (Diameter Of Torque Converter Turbine) 245 mm (M15) 258 mm (MN7)
Pressure Taps Line Pressure
Transmission Fluid Type Dexron III
Transmission Type: 4 Four Forward Gears
Transmission Type: T Transverse Mount
Transmission Type: 65 Product Series
Transmission Type: E Electronic Controls
Chain Ratios (Designates Number Of Teeth On The Drive/driven Sprockets) 35/35, 37/33
Final Drive Ratios 3.05, 3.29
Overall Final Drive Ratios 3.05, 3.29, 2.93
Position Quadrant P,R,N,D,3,2,1 or P,R,N,OD,2,1
Case Material Die Cast Aluminum
Transmission Weight Dry 87.9 kg (194.2 lbs.)
Transmission Weight Wet 97.0 kg (214.4 lbs.)
Maximum Trailer Towing Capacity 907 kg (2,000 lbs.)
Maximum Gross Vehicle Weight (GVW) 2903 kg (6,400 lbs.)