KM176

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The KM176 (also known as the F4A21) was a four speed electronic automatic transaxle used in the fifth generation Mitsubishi Lancer.

The torque converter includes a damper clutch which causes the converter to lock at low vehicle speeds. The operation of the clutch is controlled by the Transaxle Control Unit.

Gear selection is electronic and is controlled by solenoids which are activated by the Transaxle Control Unit. The TCU uses information from sensors which provide information on vehicle speed, throttle position, engine coolant temperature, gear lever position, engine speed, overdrive switch and kickdown drum speed.

Technical data

Lubricant Mitsubishi ELC-4 ATF, Castrol TQM-SP, Valvoline Type M-II Special
Capacity 6.0 Litres
Torque Convertor Stall Speed 2500 - 3000 rpm
GEAR RATIOS
Final Drive (F4A21-2-URA1) 3.367
1st 2.846
2nd 1.581
3rd 1.000
4th 0.685
Reverse 2.176