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hello I am new to this but I have alot of experience this the wosre engine ever produced-the 6.0L.By the way Ford is in the settlement phase with several ambulance services over repairs for these engines.I will share some of the things that I have learned.
1.EGR-very expensive to replace at the dealership, but it only has two bolts and one wire plug, replace it and clean our the tube with Sea Foam brand penetrating spray and you will only spend about $400.00
2.Air conditioners-if you leave the engine idleing for any period of time make sure that you have a high idle on your truck and USE IT every time.The compressor gets hot and build up head pressure and blows the compressor.Also Ford swears that there is no metal pieces that get into the AC system, but yet again they are wrong so change everything that can be changed when replacing the compressor.
3.When cranking wait until you do not hear the pumping sound!!!This is very important.
4.Cam shaft sensor-this thing hets water on it and shorts out regularly,and again ford does not know why.If your truck will not crank this may be the reason.But keep in mind this will give off an engine code, but if there is no code and it still will not crank DEMAND that they check the crank shaft sensor because it does not put off a code but will not allow it to start and most dealership mechanics will not do this because the manuals do not say to.Trust me.
5.If you continue to have fan motors go out, dont waste your time with a Ford replacement because they will not last, I know this sound crazy but a fan motor off of a snow plow works great and produces more air flow. Not sure what type it is but will let yall know later when I get the rest of info.
6.About once a month do yourself a favor and get out that can of Sea Foam brand penetraing spray and crank the engine and set the high idle and take the air intake loose behind the filter and spray this stuff into the intake for about 30 to 45 seconds and let the truck run for 30 minutes or however long it takes it to get good and hot-this cleans the EGR valve,turbo and intake and keeps it from Coking up,something Ford claims they can do with the Turbo. It is going to have a strange smell coming out off the exhaust but dont worry, after this your fuel mileage will increase and it will have more power.Take my word for it I have not replaced a EGR valve since we started doing this, before we were changing them about every six months and that has been about 2 years now.
7.also keep an eye on your coolant level if you start seeing it low and no leaks be prepared to change the EGR Cooler, dealerships here charge about $4k but I found a great mechanic that does it for about $2K. If this happens make sure they soak the intake in some type of parts cleaner to get all that junk out of it,something the dealers will not do.
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