Overheating in NW Mountains
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by csmith1281, Feb 26, 2021.
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Last edited: Feb 27, 2021
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Pressure wash rads out all the time. Never had an issue. Hit it straight on so that you don't bend the fins over and give'r the ketchup until there's nothing but clean water flowing out.
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Dealer here is $140 per hour. -
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I never did that on exactly your engine model and none of them are left here to look at.
It has to be attached to the engine after the oil cooler and before the front of the head - thermostat. Just an inexpensive 100 PSI gauge, some fittings and 1/4 inch plastic air brake hose.
This is a little bit of an aloosive thing to check. Even most experienced techs blow it off. Some of the old Cummins had different diameter drive pulleys and impellers. A friend having a problem with a low flow Cummins told me I bought the manual. I have read all of it but it does not say anywhere that it should have 52 PSI at rated speed. Where did you get that from? The school of hard knocks.
I would check out your belt, pulleys and things others have mentioned first.csmith1281 and AModelCat Thank this.
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