Is there any solutions?
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Cargo Master
Joined: Jan 2005
Posts: 2,413
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Is there any solutions?
After argueing for over a year with the dealership about issues with my trucking. They kept telling they could'nt find anything. Running short on warranty I went somewhere else. They changed the oil cooler, egr cooler, and egr valve. Thats the 2nd set put on in 3 years. What gives? I would have thought by now they would have a solution by now. I asked what to do to keep the egr system and oil cooler from stopping up and they told theres was"t anything I could.
Would changing to synthic oil help keep the oil cooler from clogging up?
I love my truck. I just want to take the best care of her I can.
Would changing to synthic oil help keep the oil cooler from clogging up?
I love my truck. I just want to take the best care of her I can.
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Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Hows this? I have'nt studied too much on the coolant filter, or the ties between the oil cooler and the coolant system.
Elder User
Joined: Jun 2008
Posts: 724
Likes: 2
From: Sarasota, fl
The oil has nothing to do with the oil cooler failure, but just like it was mentioned, get a coolant filter, and you have a better chance not facing oil cooler/Egr cooler problems....
Posting Guru
Joined: Apr 2008
Posts: 2,392
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From: Green Lane, Pa.
It's not entirely true. The hot coolant flows through the oil cooler first, than the EGR cooler. The casting sand clogs up the passages in the oil cooler, and the flow will slow down in the EGR cooler. Because of the slow flow, the hot exhaust gas boils the coolant, and that kills the welding in the EGR cooler.
The oil has nothing to do with the oil cooler failure, but just like it was mentioned, get a coolant filter, and you have a better chance not facing oil cooler/Egr cooler problems....
The oil has nothing to do with the oil cooler failure, but just like it was mentioned, get a coolant filter, and you have a better chance not facing oil cooler/Egr cooler problems....
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Fleet Owner
Joined: Nov 2003
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I guess I should also say it is a function of how high you get your EGT's when you have little flow of coolant on the water side of the EGR cooler.
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Elder User
Joined: Jun 2008
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From: Sarasota, fl
The steam and the boiling coolant not exactly the same thing.
Water or in this situation coolant always contain air bubbles. They are really tiny, micro-bubbles. As the temperature rises, the pressure also rises in the bubbles, and they expand.
( Just like when you heat-boil water, first you will see air bubbles forming on the bottom and the side of the pot or can. They been there before, but they were so small, you didn't see them. As they reach the top -when the temperature rises - they evaporate. On higher temperature the evaporation is faster ,it acts like little explosions. )
Now imagine the same thing, with way higher temperature in a closed, superheated chamber ( EGR cooler ), and I'm sure we don't need too much imagination to see why can't the EGR cooler welds handle the "steam". Because it's not steam, it's more like continues explosions. The extra pressure from this has to go somewhere ( puking antifreeze from the de-gas bottle ) , and eventually it will destroy the EGR cooler, and pump in to the intake.
Water or in this situation coolant always contain air bubbles. They are really tiny, micro-bubbles. As the temperature rises, the pressure also rises in the bubbles, and they expand.
( Just like when you heat-boil water, first you will see air bubbles forming on the bottom and the side of the pot or can. They been there before, but they were so small, you didn't see them. As they reach the top -when the temperature rises - they evaporate. On higher temperature the evaporation is faster ,it acts like little explosions. )
Now imagine the same thing, with way higher temperature in a closed, superheated chamber ( EGR cooler ), and I'm sure we don't need too much imagination to see why can't the EGR cooler welds handle the "steam". Because it's not steam, it's more like continues explosions. The extra pressure from this has to go somewhere ( puking antifreeze from the de-gas bottle ) , and eventually it will destroy the EGR cooler, and pump in to the intake.
Fleet Owner
Joined: Nov 2003
Posts: 27,900
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It could be mechanical force from "forming and/or collapsing" vapor, but I would bet it is high skin temperature from the fact that low flow on the coolant side can not keep the hot side skin temperature much below the EGT's (1100-1500*F)
Posting Guru
Joined: Apr 2008
Posts: 2,392
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From: Green Lane, Pa.
The steam and the boiling coolant not exactly the same thing.
Water or in this situation coolant always contain air bubbles. They are really tiny, micro-bubbles. As the temperature rises, the pressure also rises in the bubbles, and they expand.
( Just like when you heat-boil water, first you will see air bubbles forming on the bottom and the side of the pot or can. They been there before, but they were so small, you didn't see them. As they reach the top -when the temperature rises - they evaporate. On higher temperature the evaporation is faster ,it acts like little explosions. )
Now imagine the same thing, with way higher temperature in a closed, superheated chamber ( EGR cooler ), and I'm sure we don't need too much imagination to see why can't the EGR cooler welds handle the "steam". Because it's not steam, it's more like continues explosions. The extra pressure from this has to go somewhere ( puking antifreeze from the de-gas bottle ) , and eventually it will destroy the EGR cooler, and pump in to the intake.
Water or in this situation coolant always contain air bubbles. They are really tiny, micro-bubbles. As the temperature rises, the pressure also rises in the bubbles, and they expand.
( Just like when you heat-boil water, first you will see air bubbles forming on the bottom and the side of the pot or can. They been there before, but they were so small, you didn't see them. As they reach the top -when the temperature rises - they evaporate. On higher temperature the evaporation is faster ,it acts like little explosions. )
Now imagine the same thing, with way higher temperature in a closed, superheated chamber ( EGR cooler ), and I'm sure we don't need too much imagination to see why can't the EGR cooler welds handle the "steam". Because it's not steam, it's more like continues explosions. The extra pressure from this has to go somewhere ( puking antifreeze from the de-gas bottle ) , and eventually it will destroy the EGR cooler, and pump in to the intake.
Fleet Owner
Joined: Nov 2003
Posts: 27,900
Likes: 3,617
I guess I would also add - use the proper coolant and keep it full and fresh (although it is good to 100k). Use only the Gold coolant and do not add any SCA's (supplemental coolant additives).
Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
It's not entirely true. The hot coolant flows through the oil cooler first, than the EGR cooler. The casting sand clogs up the passages in the oil cooler, and the flow will slow down in the EGR cooler. Because of the slow flow, the hot exhaust gas boils the coolant, and that kills the welding in the EGR cooler.
The oil has nothing to do with the oil cooler failure, but just like it was mentioned, get a coolant filter, and you have a better chance not facing oil cooler/Egr cooler problems....
The oil has nothing to do with the oil cooler failure, but just like it was mentioned, get a coolant filter, and you have a better chance not facing oil cooler/Egr cooler problems....
Freshman User
Joined: Jan 2008
Posts: 37
Likes: 0
Nuclear Plants at least the PWR reactors have had numerous problems with their steam generators. These are basically a heat exchanger with the Hot radioactive water flowing through lots of small tubes to heat the water on the other side into steam. The Westinghouse E class steam generators have been replaced in almost all of the plants that they were installed in.
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Cargo Master
Joined: Jan 2005
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Mark thanks for your explaintions. You would think Ford would be doing something about. The 6.0L can leave a bad taste in their mouth for years to come. I Know some guys that had problems with the 6.0L that they got after their 7.3. They had problems and traded them off for chevy and dodge trucks. They just dont trust the new Ford movement. How many more guys have we seen on this boeard trade out as well. Could prove to be bad for the long run.