Overheating when climbing hills
We are new to RVing. We purchased a 92 Fleetwood Bounder, 34 ft. It has a Cummings engine and Allison Transmission. It runs excellent EXCEPT for when climbing hills. The temperature gauge sits at ...
Forum Discussion
If your engine is the Cummins 5.9:
According to the Cummins Service Manual, the normal thermostat temperature range is 180 to 199 degrees and the maximum operating temperature for the B9 is 215 degrees. Here's the applicable page. Elsewhere in the manual, the writer refers to 219 degree systems with a 15 psi radiator cap. Looks like 219 would be the maximum. I'm in Tucson btw and have a complete set of factory service manuals. PM me if you are interested.
jor
According to the Cummins Service Manual, the normal thermostat temperature range is 180 to 199 degrees and the maximum operating temperature for the B9 is 215 degrees. Here's the applicable page. Elsewhere in the manual, the writer refers to 219 degree systems with a 15 psi radiator cap. Looks like 219 would be the maximum. I'm in Tucson btw and have a complete set of factory service manuals. PM me if you are interested.
jor
