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Re: 99 f-350 4r100 1st gear
Posted to Transmission Forum on 5/1/2018 1 Reply

In Drive low the forward clutch is on and rear roller holding. It 'overruns' when 2nd applies and 'freewheels' in reverse. Hence the name "low roller clutch". The only time the rear clutch is on is in low for compression or in reverse (low-reverse clutches). G... Login to read more.

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