Replying to Thread:

Howl/Roar When Pulling.

Created On Sunday 8, June, 2014 1:23 PM by frliner

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[q]2001 Western Star 6NZ 475hp. With Cruise set or using foot, at highway speeds when truck starts to pull a grade of any size a roar/How comesl from the engine area. when the pull is done it goes away (sometimes it comes and goes). only get it when into a pull. Going thru the gears there is no unusual noises.[/q]

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frliner

Posts: 28
Joined: Mar 2010

Sunday June 08, 2014 13:23
2001 Western Star 6NZ 475hp. With Cruise set or using foot, at highway speeds when truck starts to pull a grade of any size a roar/How comesl from the engine area. when the pull is done it goes away (sometimes it comes and goes). only get it when into a pull. Going thru the gears there is no unusual noises.