Replace Oil Cooler or Not?
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Junior User
Joined: Sep 2009
Posts: 61
Likes: 0
From: Baltimore, Ohio
Replace Oil Cooler or Not?
Hi everyone, New to posting so bare with me. Here is my problem. I had my EGR go bad on me last week, so i'm deleting it this week. The question is while i'm doing that should i replace the oil cooler also? I'v heard that the oil cooler being cloged up or not flowing the right amount of coolent may cause the EGR to go bad?. My coolent smells like its burnt and looks like ice tea. So what are your thoughts? Sorry for it being so long. The truck is an 2003 all stock and has 147,000 miles on it.
Laughing Gas
Joined: Sep 2006
Posts: 1,097
Likes: 9
From: Minnesota
The reason your coolant looks like iced tea is because you oil cooler has gotten so hot, because of lack of coolant flow, that the seal between the engine block and oil cooler housing is deformed from heat and oil is being forced into the cooling system because the engine has more oil pressure than coolant pressure. More than likely your egr cooler failed because of this(lack of coolant flow through egr cooler),a lot of poeple are deleteing the egr cooler, I would consider putting a new egr cooler in also. In some states exhaust emmisions testing is ramping up, I would consider thinking this through carefully, some used 6.0 owners are now facing the fact that they have to make the truck they own 2nd hand conform to the emission laws. I would think that someone will take a stand and say "I bought it this way and I am not paying for it" at that point they might go back on the origanal owner and my get a visit from someone fron EPA. The emissions standards are goverend by the Feds for the most part.
I don't mean to preich but I think that this is something to consider.
JMO
I don't mean to preich but I think that this is something to consider.
JMO
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
there was a restriction test at one time. it didnt work that well. Highly recomened to just replace the oil cooler kit. easy job and it may save you some added issues with headgaskets later down the line.
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Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
The reason your coolant looks like iced tea is because you oil cooler has gotten so hot, because of lack of coolant flow, that the seal between the engine block and oil cooler housing is deformed from heat and oil is being forced into the cooling system because the engine has more oil pressure than coolant pressure. More than likely your egr cooler failed because of this(lack of coolant flow through egr cooler),a lot of poeple are deleteing the egr cooler, I would consider putting a new egr cooler in also. In some states exhaust emmisions testing is ramping up, I would consider thinking this through carefully, some used 6.0 owners are now facing the fact that they have to make the truck they own 2nd hand conform to the emission laws. I would think that someone will take a stand and say "I bought it this way and I am not paying for it" at that point they might go back on the origanal owner and my get a visit from someone fron EPA. The emissions standards are goverend by the Feds for the most part.
I don't mean to preich but I think that this is something to consider.
JMO
I don't mean to preich but I think that this is something to consider.
JMO
Laughing Gas
Joined: May 2005
Posts: 1,082
Likes: 1
From: Illinois
Is it possible to put agriculture plates on the truck and avoid testing? This works on my fathers farm in Indiana. I farm in Eastern Illinois and we do not have emissions testing in my county.
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
And you don't have emissions testing yet. We didn't last year either.
Laughing Gas
Joined: May 2005
Posts: 1,082
Likes: 1
From: Illinois
Another valid point on the emissions testing too. People have been saying it is coming for the last 30 years. When it does, I'll deal with it. Until then, I'll take advantage of owning a farm and putting agricultural plates on it which exempts me from a lot of things, including fuel tax.
Post Fiend
Joined: Jul 2005
Posts: 6,127
Likes: 6
Yes, good point. I travel to California a lot and I see a lot of farms, wineries, hydroponic facilities, etc. Seeing all of this agriculture I wondered whether this state had any exemptions or different rules for agriculture vehicles. Though, I could see how this could be the one state that doesn't.
I'll take advantage of owning a farm and putting agricultural plates on it which exempts me from a lot of things, including fuel tax.
I'll take advantage of owning a farm and putting agricultural plates on it which exempts me from a lot of things, including fuel tax.
Them people in California do these high value added farming activities like grow-ops, they can make plants grow hydroponically in the dark!
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
