Ritchie
-
Posts
1 -
Joined
-
Last visited
BigMackTrucks.com is a support forum for antique, classic and modern Mack Trucks! The forum is owned and maintained by Watt's Truck Center, Inc. an independent, full service Mack dealer. The forums are not affiliated with Mack Trucks, Inc.
Thank you for your support!
Derating when shifting to second gear
in Engine and Transmission
Posted
So I have 2004 MR600 roll off dumper with a Allison transmission ,, the truck will go to limp mode whenever it shifts to second gear and won’t accelerate. I changed the input and output speed sensors and the turbine speed sensor but it still behaves the same way ,,, anybody with help on this thanks