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RPM rises to 3500 to shift from 4th to 5th

ricelake922
Explorer
Explorer
Hello
I have a 1996 Monaco Dynasty. I am currently at a RV camp 3 hours from home to see fall colors. While driving at first the RV was driving just fine. An hour into the trip, I noticed that the RPM was running at 2800 rpm at 5th shift. Got to a red light and when I went to shift from 4th to 5th, the RPM went to 3500 before shifting. So painful. It got to the point where I kept the speed to under 80 km so that the RPM would stay around 2800. No changes to any of the gauges while the strong increases in RPM. No changes in sound of engine when driving with high RPM. Last week the RV was in the shop when the fuel solenoid was replaced, line from oil to turbo boost replaced, cooler and fuel filters changed, and turbo boost was repaired as it was not working. I will be going home Wednesday and would really appreciate any thoughts. Thank you in advance.
15 REPLIES 15

SidecarFlip
Explorer III
Explorer III
Ever bother to change the fluid?
2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB