Automotive Manual PDF

The ATS Co-Pilot module commands the lock-up clutch of the torque converter along with the exhaust brake, if equipped, to stay engaged. This allows for up to 100% of the retarding force to be transferred in 3rd and 4th gear and the transmission oil temperature to remain low because of little to no slippage occurring when the converter is in these selected gears. When the ATS Valve Body is installed, you can use engine braking in the low-speed position of nearly 12 mph in 1st or 2nd gear.
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