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Old 03-14-2012, 08:21 AM
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Coolant Sludge??

I have a 10' f250 which isn't using any coolant. Coolant and oil temps are stable during driving, but there seems to be a sludge building up in upper part of degas bottle I'm still under warrenty so was wondering what this might be been tuned since 1800mi have 29k on now. Thanks
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Old 03-14-2012, 10:28 AM
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Pics please. "sludge" can mean different things to dif people.


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Old 03-14-2012, 11:05 AM
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Quote:
Originally Posted by wilsonw2 View Post
Pics please. "sludge" can mean different things to dif people.


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I agree with the pics needed. Is it like a hardness buildup, that you would see on like maybe a showerhead, a slightly see through scale on the degas bottle? When I think of sludge, I think of like a mud water mix....So we need a little more....
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Old 03-14-2012, 11:26 AM
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I'll try to get you pics hard to get inside of degas bottle. It's like a brown staining on inside of degas where coolant level is when hot. Above cold fill range.
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Old 03-14-2012, 12:09 PM
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Like stated above it can be several things. Could be a leaking oil cooler or it could be rust or scale. Either way i would recommend a coolant filter.
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Old 03-14-2012, 03:59 PM
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Update I fished a long q-tip in there and it's a black and oily not scaly. So what would cause oil in degas bottle?
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Old 03-14-2012, 04:27 PM
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Most likely you need a new oil cooler do you have anything to monitor eot and egt
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Old 03-15-2012, 03:53 AM
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In my 7.3, oil in the coolant was an oil cooler.


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Old 03-15-2012, 05:40 AM
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Yeah have a cs from edge oil and coolant always in the mid 190's. Crawled up and looked in the degas looks more like a red/brown scale in the bottle with a couple area's dirty black. Guess it's time to put the DPF back on and to the dealer. Any way to check oil cooler??
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Old 03-15-2012, 06:29 AM
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You can monitor the difference between the coolant and oil temps. If oil is in the coolant is more than likely and oil cooler failure.
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