Coolant leak t444e
Hi everybody,
I’m on my way to Oregon, and am in Northern California experiencing sudden cooling system issues with my 2001 international 3800 with a t444e.
I noticed it running rougher than usual after I stopped for fuel a couple days ago, opened the hood, and saw large air bubbles bubbling in the reservoir tank. Checked under the oil cap, and no milky oil or whitish anything. No white smoke from the exhaust, and no water from the tailpipe either.Checked the oil levels, and they’re in range. Continued on the road for about a half hour and was experiencing a seeming loss of power uphill and reduced fuel mileage. I parked for the night, took a look at it in the morning, and now it’s leaking coolant. It’s leaking from the hose fittings going to the driver side interior heater, and it’s leaking from what looks to be the front mount of the oil cooler. The oil cooler was replaced last summer.
I ran the bus at idle to check again for bubbling of the reservoir tank and found nothing. It seems the obvious first step is replace the older hoses and fittings, but before I start replacing anything, I’m curious if anybody knows what would cause all the air in the coolant system? Is it possible that it’s over pressuring and blowing out older hoses/gaskets? Any ideas or advice would be greatly appreciated. Thanks!
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