Any good links?
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Logistics Pro
Joined: Jul 2014
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From: Houston, Texas
Any good links?
I have oil in my degas bottle. Is there a good thread that discusses the possible causes? I get so many hits when I search that it's going to take a lot of reading. Hope there might be one good thread with everything.
Unfortunately, my ScanGuage quit on me and I can't see my temps or delta. I drove this truck all the way back to Texas from Minnesota and it never got hot according to the dash gauge. I was selling the truck and the buyer's tech informed me of the problem. He says it's the oil cooler, but he didn't drive it to see the delta, he just assumed because he sees oil in the coolant. Can it be anything other than that?
If it was the oil cooler, does that mean the EGR cooler is bad too?
Unfortunately, my ScanGuage quit on me and I can't see my temps or delta. I drove this truck all the way back to Texas from Minnesota and it never got hot according to the dash gauge. I was selling the truck and the buyer's tech informed me of the problem. He says it's the oil cooler, but he didn't drive it to see the delta, he just assumed because he sees oil in the coolant. Can it be anything other than that?
If it was the oil cooler, does that mean the EGR cooler is bad too?
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Logistics Pro
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From: Houston, Texas
I read a thread about remote coolant filters that separate the coolant from the oil. Would installing one of those solve the problem of oil in coolant? I'm guessing that would be too easy, and doubt I can fit something like that in this E450 van anyway.
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Logistics Pro
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From: Houston, Texas
Well, the truck cooled down enough that I could finally check it out myself. Lots of oil in the degas. However, not sure this means much, but I drained the radiator a bit and there's no obvious oil in that. Does that make sense that it would be so thick in the degas and not in the radiator? But, the radiator coolant has a greenish tint - could that be oil turning the gold coolant green or did someone put the wrong coolant in it?
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Logistics Pro
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From: Houston, Texas
Oh my. Could it be a cracked head? The degas bottle on this van is round and tall, and when I stick my finger in, I get black oil, not the brown milkshake. Nor is there any milky sludge on the cap - it actually looks clean.
Postmaster
Joined: Sep 2010
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From: Southern Cal
It's either the oil cooler, head gasket, or cracked head.
No getting around an easy fix. I'd start with pulling the oil cooler and inspecting.
An easier way to find the issue without pulling the heads initially.
Also, to your point, if the coolers bad, the egr has probably overheated if poor coolant flow.
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Logistics Pro
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From: Houston, Texas
How would I tell a bad oil cooler by inspecting it? How about the EGR? Any idea how much harder it is to pull the oil cooler out of a van than it is a truck? This ambulance also has two alternators.
So I should count on replacing oil cooler, egr cooler, and what else?
So I should count on replacing oil cooler, egr cooler, and what else?
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The problem with a ruptured oil cooler is the inability to flush the system before replacing it. There's a chance you'll have to replace the oil cooler twice. You may be able to save the 1st new oil cooler by backflushing it, since the contamination shouldn't be hard-packed by that point.
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Logistics Pro
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From: Houston, Texas
But, how can I tell by looking at the oil cooler if it's ruptured? Maybe the real problem is a cracked head or failed head gasket. Ditto with the EGR cooler - if the oil cooler is ruptured, how do I know whether it blew the EGR as well, or do I replace both as standard procedure? I ask because I'm trying to sell this truck, not keep it. I don't want to pass on a junker, but I also don't want to spend money if I don't have to.
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Logistics Pro
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Thanks. yeah I've never had this problem before either. Not looking forward to tearing into this van, it's just so tight. I figure I'll have to take one or both front seats out and cover all the interior to keep it clean. But a lot of it has to come out the front and that looks like a pain.
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From: Western NY
Vans are fun. you have to dig a hole to get to anything. I just did an oil cooler and engine harness on an 06. Sound like oil cooler but your egr cooler will have to come out to do the oil cooler, so I would change it anyway You don't want to do this twice. I also doubt it is a cracked head. I have a 05 F450 that was making coolant outa diesel, that engine is out on the stand getting 2 new heads now.
As for working on a van I pull the pass seat, Pull the rad and innercooler as one then start in. Take pics as you go these engines are tight ( 4 inch peg in a 2 inch hole) and being an amblance you have the fun of the rear heater hoses on top of the turbo. Heres a pic I found about heads cracking on a 6.0 with coolant in degas.
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Logistics Pro
Joined: Jul 2014
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From: Houston, Texas
Vans are fun. you have to dig a hole to get to anything. I just did an oil cooler and engine harness on an 06. Sound like oil cooler but your egr cooler will have to come out to do the oil cooler, so I would change it anyway You don't want to do this twice. I also doubt it is a cracked head. I have a 05 F450 that was making coolant outa diesel, that engine is out on the stand getting 2 new heads now.
As for working on a van I pull the pass seat, Pull the rad and innercooler as one then start in. Take pics as you go these engines are tight ( 4 inch peg in a 2 inch hole) and being an amblance you have the fun of the rear heater hoses on top of the turbo. Heres a pic I found about heads cracking on a 6.0 with coolant in degas.
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From: Western NY
First there is no pressurized oil in the heads, its in the oil rail above it. Second the dual alt setup isn't so bad, you just pull the bracket off with the lower alt on it. Once the rad, fan and shrouds are out of the way The lower alt has its own belt etc and is easy.
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