Overheating?
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Senior User
Joined: Feb 2005
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Overheating?
Here is my dilemma. I recently noticed my truck making a noise while accelerating. It is the same noise when pulling a hill and the fan clutch kicks in. Well today I was leaving a stop sign and I noticed the sound came back, I looked at the temp gauge and it was slowly climbing towards the red. I began driving and within about 15 seconds the temp was fine and the noise went away. I have plenty of coolant, no leaks and this is intermittent. Has anyone had this problem and could it possibly be thermostat or maybe a sending unit giving a false reading? The truck is at operating temp so the thermostat does not shut does it? I have an 04 350 with 6.0 thanks
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Senior User
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Actually it is under warranty and the truck was dropped off this morning. The service guy said it could be the EGR cooler or a few other things. I will post the outcome when I find out.
Fleet Mechanic
Joined: Oct 2007
Posts: 1,712
Likes: 18
From: Henderson, NV
Make sure they check the oil cooler too.
Senior User
Joined: Jan 2007
Posts: 393
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From: Bountiful, Utah
The EGR system has been known to ruin the 6.0's, I took care of mine before my motor is ruined. I get my Truck emission tested, the EGR does not reduce pollution, it increases emissions and pollution! Do what I have done, your Truck and your wallet will thank you later.
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Senior User
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The EGR system has been known to ruin the 6.0's, I took care of mine before my motor is ruined. I get my Truck emission tested, the EGR does not reduce pollution, it increases emissions and pollution! Do what I have done, your Truck and your wallet will thank you later.
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Senior User
Joined: Jan 2007
Posts: 393
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From: Bountiful, Utah
Mine is still under warranty, I did the sneaky up-pipe with the blocker plate. This is not a dealer option, they can not do it for you. There are a lot of threads on this up-grade installation, I feel it is a must if you are planning on keeping your Truck for a long time.
Jäger
Joined: Jan 2005
Posts: 5,491
Likes: 5
From: Northern Arizona
Here is my dilemma. I recently noticed my truck making a noise while accelerating. It is the same noise when pulling a hill and the fan clutch kicks in. Well today I was leaving a stop sign and I noticed the sound came back, I looked at the temp gauge and it was slowly climbing towards the red. I began driving and within about 15 seconds the temp was fine and the noise went away. I have plenty of coolant, no leaks and this is intermittent. Has anyone had this problem and could it possibly be thermostat or maybe a sending unit giving a false reading? The truck is at operating temp so the thermostat does not shut does it? I have an 04 350 with 6.0 thanks
I noticed the engine fan coming on more often a few months prior to the issue. I thought it was the summer heat. I also noticed that the coolant level was gradually dropping. Then while towing on a cool night in November it ran up into the red zone and the engine overheat warning 'beep' sounded at the top of 2 grades.
Ford Service bench tested the EGR and oil cooler and said both tested OK. The Tech wanted to replace both, but the Ford Hotline said to test them again. The oil cooler failed the second test so the Ford Hotline only authorized replacement of the oil cooler. The HG's tested fine. They had my truck 7 days.
I really wish they would have replaced the EGR cooler while they had it apart though. No blood to squeeze from the Ford turnip I guess....
Good luck with yours and let us know what they find and replace.
Senior User
Joined: Sep 2008
Posts: 476
Likes: 0
From: Jasper, tx
Mine is still under warranty, I did the sneaky up-pipe with the blocker plate. This is not a dealer option, they can not do it for you. There are a lot of threads on this up-grade installation, I feel it is a must if you are planning on keeping your Truck for a long time.
Senior User
Joined: Jan 2007
Posts: 393
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From: Bountiful, Utah
Here is the link where I purchased mine from 6.0L EGR Components
Installation is tricky, you will need 2 hands to do it. Here is the thread on how to install it.
https://www.ford-trucks.com/forums/7...tructions.html
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Senior User
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Well the dealership called and advised they checked everything and the EGR cooler was bad. I will have it back on Monday. i hope this fixes it. When I get it back, if I do the block, how will I know if the EGR cooler is leaking again or will this prevent it?
Senior User
Joined: Sep 2008
Posts: 476
Likes: 0
From: Jasper, tx
Here is the link where I purchased mine from 6.0L EGR Components
Installation is tricky, you will need 2 hands to do it. Here is the thread on how to install it.
https://www.ford-trucks.com/forums/7...tructions.html
Installation is tricky, you will need 2 hands to do it. Here is the thread on how to install it.
https://www.ford-trucks.com/forums/7...tructions.html
Senior User
Joined: Jan 2007
Posts: 393
Likes: 0
From: Bountiful, Utah
Yes, your Truck does not have the up-scoop and all you need is the block off plate. just slide it between the EGR cooler and the up-pipe. No welding required. Once you have installed it you will not have any more EGR problems.