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I have had air driers do this were you chasing this before the air drier change ? ! Was the problem before the new drier or after ?! I am a fan of the Bedix AD9 air drier Tried and true in my mind!

Bit different eh Joe !? They only ran this type of turbo 2-3 years here 2001-2004 topped out at 33 psi boost for a 460 HP engine BS Horse power! if they hit 34 psi they would derate!

Well if its burning it off and then creating more in short order then something is creating soot, Injectors, turbo , boost leak stuck egr! in my opinion like I said This is where the experience and luck part comes in! These can be horribly frustrating for everyone to own to work on and if you don't run across the right realworld experienced guy at any given shop to get your repair diagnosed and repaired it gets expensive AND Some times it comes down to guessing AND Parts chucking! it only gets worse as the truck ages! Remember Nobody knows everything or seen it all even thou ,they would like to think so! All we can do is tell ya what we seen and our experiences here ! I am not a guru on these some one might chime in with some thing that strikes them as odd ! Good luck with this you guys keep posting as you run thru the fix Most of all post your FIX so others may benefit by your experience!

Hi Sorry Is this A RED ENGINE? AUZZ! ? If so ! I believe there were issues with the plugs at the turbo on These here There is a TSB on it some where Mack pro may be able to hook u up with it!

No it doesn't! Sensors are just as good as the info they get ! You can Guess and change parts All you want with these you need to have the program on a computer screen and A fare bit of knowledge and mostly experience of the system to go right to the problem to fix AND a whole lot of luck! Go to a dealer and have the codes read maybe they can fix or send u in the right direction ! You can have anything from a failed 7th injector ,or EGR cooler to a pluged Venturi tube causing this!

AGree!

deep pan holds 53 litres / quarts or so standard pan is 32 ! if you have 3 filters it should have the 53 liter pan how ever it may have been changed! The deep pan is aprox 10 -12 inches the standard is around eight inches both of these are estimates never measured them how ever there is a big difference side by side! Check for scratches on the tips of the gears and the inside of the housing the oil is carried round the out side if its scrffed up change the pump and i don't like the look of that releif valve!

I would be inclined to investigate the pedestal relief valve and or the oil pump relief valve! Also check to make sure your oil level is not over full! Also make sure the oil pickup is sealed on the pump! (Not sucking air) A kind of related incident that happened to me! I was once tasked to I check on why a guys engine brake was working intermittently ! I removed the valve covers did all the necessary checks and sets there checked out the electrics all seemed good except the oil pressure was a bit off! ! So i decided to check is oil pump ! WEL I put a Drain pan under the truck and pulled the drain plug AND low and behold only two gallons of oil existed in the pan! I was fairly pissed at my self for not checking at the begining but you would think a guy would check his own oil level one a day! Guess not! JUST SAYIN!

Yup model of truck would help ! CH or RD ? check the tube that goes to the compressor inlet from the manifold hose there quite often gets a hole in it! Any kind of boost leak! all will effect mileage! instantly!

I struggle with the morality of this subject my self! Can you compare this to being forced to take a vacine for covid? seems similar in nature to me! ? The right to choose what happens to your body! Duno? Mortally In the eye of god this ain't right ! However in our a ledged" DEMOCATIC " society says otherwise for now! Don't know how to feel I disagree with abortion to a point How ever there are circumstances that would make sense to have the option ! Whole sale Abortion Volvo Style is not acceptable in my mind! Just sayin!

Has the truck had the updates as MACP has suggested Get all that stuff up to date before messing with this much more! to much going on in the background to not be up to date! The other thing is the the 7th injector sobering or spraying?

Its all in how you look at it ! and what your plans for the future are I suppose! I am of the mind if It ain't broke don't Fix it! Preventative maintenance is ok don't poke at stuff that's treating you good!

your oil pressure is fine ! I have rolled bearings in these at 23000 hours and saw there was a need and not ! I have rolled bearings in these at 15000 hours and seen the need and not ! However I have also seen go a lot longer ! I have seen them fail sooner ! In my mind 20000 hours plus is a good time to do it providing you have looked after the servicing up to that point ! if your servicing is un known then for piece of mind do it now! the key with mos DIESEL engines is look after the DCA in the coolant And keep after the oil changes! just the way I see it!

Rey bro you say the vgt past the test? There is / was a test in the ptt program for turbo effort did you try that ? The turbo can past the sweep test but still be sticking! Fuel pressure at the 7th injector OK? fine to have flow is the pressure there? Just some stuff our guys look for when we get issues like this!

Yup REAL Good point! guys tend to migrate to that computer screen and get absorbed in whats there with out thinking about the simpler stuff! Start at the begining ! The instructions probably don't even mention that one!

I would defiantly check this oil wicking is an issue with these !The engine harness is quite vulnerable to this! its a simple check that can save a lot of head scratching! if you find oil in the ecm spray it out with brake clean blow dri it and see if your problem is gone! and replace the harness ! thie check is simple the harness replace not so much! 🥵

yes how ever physical changes will likley be needed making it cost prohibitive ! Programing ,Cam Key change, Turbo ,just o name of a few!

Sorry this looks like no water pump housing I ever seen on an E9 Is this in a Boat? Auto Trans ? or something? What vehicle is it in? I see you are in Renault territory Not sure I can help! ttps://www.bing.com/images/search?view=detailV2&ccid=Z1Fxi8KW&id=A284ADA3D6B1231E9B990FFFCDE77FD80C8E8E78&thid=OIP.Z1Fxi8KW37WdpLAXD595CQAAAA&mediaurl=https%3a%2f%2fi.ebayimg.com%2fimages%2fg%2fcaUAAOSwly9c9x5S%2fs-l400.jpg&cdnurl=https%3a%2f%2fth.bing.com%2fth%2fid%2fR.6751718bc296dfb59da4b0170f9f7909%3frik%3deI6ODNh%252f583%252fDw%26pid%3dImgRaw%26r%3d0&exph=300&expw=400&q=mack+e9+water+pump+housing&simid=608011195825916803&FORM=IRPRST&ck=606F19B116014CEA107ADD47672FB14E&selectedIndex=0&ajaxhist=0&ajaxserp=0

The block is mostly maxed out as is ! 350 at most you try to pull more your poking a bear with a stick!

Bro if your Truck is deleted we can't help Much! Could be anything!

My experience is the same and ALL the same reasons. Specially the comment about the Billion mile truck drivers that have driven more miles backwards than the rest of us have driven forwards! everybody from time to time has jammed the clutch to the floor while the truck is in gear and rolling with out thinking! Putting grease on the brake as Joe mentioned takes the sting out some what, THE FUSE (good adage ) I learned the grease thing by the school of hard knocks put one in dri and test drove the truck panicked at a stop sign jammed it to the floor and that was that! Back to the shop for a new brake! My favorite two piece clutch brake in two pieces on the bottom of the bell housing since that day ALL BRAKES GET GREASE LOTS OF IT! not just a wipe I go a little over board how ever once burned twice shy And it hasn't failed me once since! this helps take the stupid out of the job at least for a while till the grease wares off! In some cases the air( assisted clutch levers) the drivers control is amplified making it IMPARITIVE You use Grease! Rambling

Would cost extra money to stock Gray Paint ! Soon They will only come in green!

YUP! I hate to admit this but! the last few Brake jobs I have done on my own vehicles have been with amazon ! Have had very good luck with this ! The fitment chart works well but the cars are relatively new late 2000's ! I Hate going to the parts store and trying to Talk to some kid that hasn't any experience ! AND Amazon Was hundred dollars cheaper for the same china parts!