Forum Discussion
4x4ord
Jan 17, 2020Explorer III
Cummins12V98 wrote:steve-n-vicki wrote:
The truck I drove, the transmission quickly came up to 192° But it stabilized there
Seems on the high side. Was that in City driving?
Depends how you look at it. Having it run at 192 degrees when it's not working could be a good idea. Hot thin oil could provide for better efficiency. The engine coolant might be heating the transmission oil up when the trucks not working.
About Travel Trailer Group
44,055 PostsLatest Activity: Dec 23, 2025