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  #1  
Old 03-26-2011, 06:01 AM
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FORD IS LOOKING AT THIS GUYS.

Just a headsup for you guys out there that like to let them idle all day.I just had my 4rth truck come in with this scenario.it had 11,000 miles on it and oil was grown about 5 qts overfull and has bad engine sludge. It also had 2,120 hours on it. it only had 1 oil change and no fuel filter change. according to ford every 200 HOURS IS A 5,000 MILE OIL CHANGE EVERY 10,000 IS FUEL FILTER CHANGE. He eats it wow he was pissed. He got it at another dealer and i asked him if he was told about this from the salesman and he said he was not. Our salesman have to say this to the customers.
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Old 03-26-2011, 06:25 AM
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Thanks for letting us know, but that makes sense. I do believe I've read this on the board too several times .

It would make sense that hours would be very important to monitor if the truck spends a lot of time idling.
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Old 03-26-2011, 09:57 AM
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I currently have 35k miles on my truck, with around 1200 engine hours. I always do my own oil changes, and started noticing, around 20k miles that I was getting out WAY MORE than 15 quarts of oil. I changed my oil out at 25k miles and noticed an excess of 3 quarts. I changed my oil out at 28k miles and again noticed an excess of 3 quarts. I took it to the dealership who said there was nothing wrong with my truck. Long story short, I eventually got them to look at it closely. Two weeks later, the cab was in the air and I was told Ford asked them to replace the HPFP.

Guess what? No problems since.

BTW, the 5k/200hr service interval is for severe duty. If the truck was idled a lot (sounds like it did), then it falls under the severe category, but it also sounds like this isn't YOUR fault and therefore you shouldn't be held responsible for it.
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Old 03-26-2011, 10:22 AM
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Because of the DPF I don't let mine idle anymore then 5 minutes tops and that is to warm it up. Once it's warm I don't let it idle any longer then when I'm sitting at a redlight.
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Old 03-26-2011, 11:26 AM
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it doesn't take much to throw you into the severe service category. keep your oil change intervals short on these 6.4s. ulsd isn't a good lubricant to have in the crankcase
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Old 03-26-2011, 01:02 PM
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not to derail, but what is with the 6.4's pumping fuel into the crankcase?
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Old 03-26-2011, 02:47 PM
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Quote:
Originally Posted by timid1 View Post
I currently have 35k miles on my truck, with around 1200 engine hours. I always do my own oil changes, and started noticing, around 20k miles that I was getting out WAY MORE than 15 quarts of oil. I changed my oil out at 25k miles and noticed an excess of 3 quarts. I changed my oil out at 28k miles and again noticed an excess of 3 quarts. I took it to the dealership who said there was nothing wrong with my truck. Long story short, I eventually got them to look at it closely. Two weeks later, the cab was in the air and I was told Ford asked them to replace the HPFP.

Guess what? No problems since.

BTW, the 5k/200hr service interval is for severe duty. If the truck was idled a lot (sounds like it did), then it falls under the severe category, but it also sounds like this isn't YOUR fault and therefore you shouldn't be held responsible for it.
the reason for this i have found is when the truck goes into regen if you don't drive until its finished it with continuously try and Regen every time you drive it. this makes oil grow big time. so if you get in truck and go to the store and back home or have short drives to work its always good to beat the hell out of it once a week drive it like you stole it for a hour or 2 the guys i tell to do this don't have anymore issues with growing oil.
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Old 03-26-2011, 02:49 PM
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Originally Posted by skipnay View Post
Because of the DPF I don't let mine idle anymore then 5 minutes tops and that is to warm it up. Once it's warm I don't let it idle any longer then when I'm sitting at a redlight.
VERY SMART MAN
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Old 03-26-2011, 02:56 PM
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not to derail, but what is with the 6.4's pumping fuel into the crankcase?
I hope this helps you,when the 6.4 goes into regen it will open the injectors on a exhaust stroke sending raw fuel into exhaust to fire that def to hell and beyond. alot of very slick raw fuel goes past ring because why? when in regen its not under boost so the rings are not tight against cylinder walls letting some fuel into crank case hence the term oil growing.when these go into regen it uses alot of fuel. normal oil growing is this. 5,000 miles you short stick your dipstick meaning the ring you hold the plastic part at bottom of ring stops at top of dipstick tube this is about another inch the oil on other end should not past the middle at the bottom. hope this helps explain it.
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Old 03-26-2011, 04:42 PM
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Originally Posted by JUGERNAUT View Post
I hope this helps you,when the 6.4 goes into regen it will open the injectors on a exhaust stroke sending raw fuel into exhaust to fire that def to hell and beyond. alot of very slick raw fuel goes past ring because why? when in regen its not under boost so the rings are not tight against cylinder walls letting some fuel into crank case hence the term oil growing.when these go into regen it uses alot of fuel. normal oil growing is this. 5,000 miles you short stick your dipstick meaning the ring you hold the plastic part at bottom of ring stops at top of dipstick tube this is about another inch the oil on other end should not past the middle at the bottom. hope this helps explain it.
Ah makes sense... well the explaination anyway that just doesnt make a lot of sense to me engineering wise. Does the Maxxforce 7 have this "attribute"? or because most of the trucks its in have a higher gvwr, is it exempt?
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