The oil pressure on the Cat engine you have should go up a little high when the engine is cold, but once the engine warms up and it takes the coach to be rolling for a Cat engine to start warming up. Just idling the temperature will not even register on the gauges. Once you start driving then the oil gauge will settle any where close to halfway up. The water temperature will stay on level ground a little over a fourth on the gauge. But on long climbs it will go up and that is when you need to shift down in the gears to get the RPM's up. Not sure how long you have had the coach, but if the engine keeps getting too hot, it might need the CAC which is sandwiched to the radiator cleaned up. A person should at least once a year or two lift the cover of the bed to get to the back of the engine and I use Simple Green and wash from the inside of the coach through the bed box, spray it real good preferably with an electric pressure sprayer. Make sure to spray the CAC and the radiator, and you might as well spray the whole engine , allow about five minutes, then spray with water from a distance of about four feet away with the high pressure sprayer and wash everything from the engine to the CAC and radiator. You will never have an over heating engine if you do that. I actually start the engine while I am spraying it, that way the fan blows out the water through the fins and at the same time the engine will dry up faster.
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2002 Gulf Stream Scenic Cruiser
2018 Buick Envision Essence
Neway Freightliner chassis
Aventa II Blue Ox
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