Posted 2013-03-27 10:20 AM (#5479) Subject: FL 60 shifting
I have a 2000 FL60 sprotchasis witha a 6 speed allison transmission. My question is about the transmission shifting. When i put the retarder (pac brake) on, the transmission shifts from 6th to 4th. Is this normal. Seems like this would be hard on the transmission. Any thoughts?