UPDATED 3/27
Well, we know a little more after today.
They removed the oil pan and found about two quarts of coolant in the oil.
They then over-pressurized the cooling system and except for a couple of very small external leaks around hose connections, no coolant showed up anywhere.
The Tech even joked he wondered if someone just poured coolant in the oil. He also said they found no sign of oil in the coolant. So whatever's leaking is only going in one direction.
So tomorrow they're going to put the pan back on, fill it with oil, get it running, and see what happens.
Anyone have any other ideas?
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1999 Winnebego Chieftain
Wayne & Leila and Teddi (the Kid in the brown fuzzy pyjamas) We are not 2 people that own a dog, we are 2 people that are owned by a dog ..
Don't want to make you feel bad, but, we just spent over $8000 for an inframe overhaul in an International truck. The truck started using water. One of the sleeves had become unseated allowing the water to go into the crankcase. Hope this is not your problem. Good luck.
I'm gonna guess that it's either the cooler seal or the water pump seal/gasket. We've got John Deere Gensets on the Tug, and that is the problem we have with them from time to time.
Unless you've overheated the block, the chance of the head gasket failing is less likely, though it can still happen...a failure is a failure.
Not uncommon for the seals/gaskets to fail, especially if the coolant treatment isn't kept up to specs.
Good luck, hope it's the cheap fix!!
Bill & Claudia / DD Jenn / DS Chris / GS MJ Dogs: Sophie, Abby, Brandy, Kahlie, Annie, Maggie, Tugger & Beau RIP: Cookie, Foxy & Gidget @ Rainbow Bridge.
2000 Winnebago "Minnie" 31C, Ford V-10
Purchased April 2008 FMCA# F407293 The Pets
Once upon a time Monaco used radiators that had thd transmission cooler incorporated into the same radiator as the engine cooling. They had failures of the radiator that allowed coolant to get in the transmission. I suppose that if the oil cooler was incorporated into the same radiator as the engine coolant a similar situation could develop. I know a lot of gas engine cars have this kind of radiator design. At least if that was the problem it would be a fairly simple fix.
2008 Fleetwood Jamboree 25G
1999 Jeep Wrangler
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