The most commonly noted feature of the LB7 fuel system is the fact that the fuel injectors were located underneath the valve covers, placing them inside an environment where a fuel leak would fill the engine oil with diesel fuel. 4inch MBRP turbo back Duals with 5inch tips, PPE Boost Increase Valve, AFE CAI, Turbo Mouth Piece Mod, 20x9 XD Black n Machined Hoss rims, 305/55/20 MT Baja Atz's,EFI DSP 5 tuned by Nick at DURAMAXTUNER.COM, i run 2 cycle(tw-3) in mine all the time. CUBETS can accommodate oil, water based fluids and other chemicals. Another guy also suggested 2-cycle engine oil. Good42, go with a good quality vendor like Lincoln Diesel Services, a vendor here. SKU: LB7750HP. 02 GMC CC SB SRW 4x4 2500 Black MAX. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. Features: Dual Cooling Multiple Uses Pressure Tested At 120 PSI 70%-30% Split - 5-Row and 12-Row Design Cooler Specifications: 9.7" Tall (10") 13.8" Wide, With Brackets (14") 5.15" Thick (With Fan) 5.65" Wide With Bracket Overhang Built-In AN-10 Male Fittings Fleece FPE-TL-LB7-LLY Allison Transmission Cooler Lines 20807 5.00 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. In the September 2014 issue of Diesel World we talked about diesel exhaust fluid (DEF), which is used as an exhaust treatment in modern diesel emissions systems to reduce the levels of nitrogen oxide (NOx) in the exhaust. Mich. LTX A/T2 LT215/85R16. So today I was surprised to find a couple of drivers who put a quart of transmission fluid in each fuel tank whenever they fuel. Red off road fuel or automatic transmission fluid in fuel can also cause the optical sensor to miss counts. discovered fuel coming out,I think from breather,crankcase was full of fuel but truck runs fine.Drained crankcase and confirmed it was full of fuel.Question is how did fuel get into crankcase. You need to fix the leak but if you keep an eye on oil pressure and oil level you could continue to use the truck untill you can afford to fix it. theres quite a few of us here that do this. I just go from my own experience, I have an lb7 and I have around 400,000 kms on it, and I have not touched an injector, infact did a balance test on them yesterday, all still decent, not new but not pooched yet either. I say all this because it matters. For a better experience, please enable JavaScript in your browser before proceeding. '08 2500HD CC SB 4X4 D/A, ATP EFILive with DSP5, AFE Test Pipe, Magnaflow DPF back 4" exhaust, 20" PYS or 18" PYR, XDP EGR block plate. 80 watt LED backup lights :bigglasse. The job isn't that bad, just time consuming. Can you use 2-stroke oil with a DPF? 2001-2004 LB7 750HP Built Transmission (0) Reviews: Write first review. LDS injectors (Thanks Brent). At the end it was closer to 1 qt per 25 miles, I stopped driving untill I could fix it. Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. ... Suncoast Transmission Packages - 2001-2005 Duramax LB7/LLY ... Suncoast Full Synthetic Transmission Fluid (1 Gallon) Newsletter Signup. Let us know if we can help. You guessed it - thinking that it was dry gas, I poured the bottle of transmission fluid into my car's full gas tank … After fuel reached $3.48/gal he decides he wants to use alternate fuels; So since he is a Transmission tech at a dealership he decides he is going to use all of his left NEW Trans Fluid sitting around as fuel. I regularly stuff 2 stroke in my lb7, It has never run quieter. I live in Texas and own a motorcycle...so I don't drive it everyday. BULK FLUIDS. This first Duramax engine mated with GM trucks was coined the LB7 Duramax. These systems exist on most modern diesel pickups, diesel cars, semi-trucks and farm equipment. I was asking because im close to 200k and told him that my truck seemed like it has lost some of its pep and he said this would help. Can be caused by aeration in the fuel from a plugged fuel filter, low fuel supply pump pressure, or low fuel level in fuel tank. Pricing: $3,495.00. We will have all the parts and support here at Lincoln Diesel Specialties to have you complete the job. Fuel Tanks, Shields, Transfer Pumps. 2nd set of tires and wheels, Cepek Trail Country EXP 285/65R18 on Ultra Predator II Black/Machined 18x9, 2003 GMC 3500 crew dually LB7 NF2 Federal. Engine can still run like there is nothing wrong. Up until right before I stopped driving it I would only leak about 1 qt of diesel into my engine about every 250 miles. CTS Insight with backup camera, Air Box mod, Stock exhaust no muffler, Fumato drain valve. Somehow a bottle of transmission fluid was put there by accident. Next is a leaking return fuel line, unlikely if there has been no work done on injectors. Kennedy Single Pump & Fuel Pre-filter (Thanks John). If you take care of your truck it will take care of you. Isspro EGT & Boost. I am just giving my experience and understanding of diesel fuel and oil. Some trucks, such as our LB7-equipped 2002, require additional hardware to mount the fuel sending unit. Like Camilleri said there are several really good posts on how to do it. The fuel takes the same path from the tank, through a filter, and into the injection pump, except now the CP3 is responsible for sucking fuel from the tank. I am not telling you to replace your oil with diesel, or to just keep going like nothing is wrong. The Cyclepedia Polaris Sportsman 400 and 500 Online Service Manual features detailed full-color photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a veteran ATV technician. Adaptive Shift Controls My friend says I need to run the tank down to about 1/4 full then dump about 2 gallons of ATF in the fuel tank… Do not do this if you have a DPF!!!! If you are fairly good with tools, have patience and can be careful you can do an injector job. Duramax First Generation: 2001-2004 (LB7). Just buy an additive if you want to lube your injectors, there are way to many variables to be expirimenting with atf, like which atf fluid is best, dex 6, 3 or type F. Just get some Diesel power service and call it a day, it was designed and engineered to go through a high pressure injection system without damage. Use 1 bottle of Stanadyne Performance Formula Diesel Fuel Additive in your tank to clean the injectors. The tank for our application was only 2 inches deeper than the factory tank … For this reason, most shops recommend you replace all eight injectors as opposed to doing them one at a time. favorite this post Jan 5 Propane tank Do ppl still add ATF to diesel fuel on the newer duramax's? I learned this trick from an old trucker, and I have used atf faithfully since I got my truck in 05', some argue that it is really bad. Onyx Black, Dark Tint & De-badged, Transfer Flow 50g aux tank; Pace Edwards power tonneau. 06 LBZ, 4' Mbrp straight Pipe exhaust, K&N filter, Leveling kit, ad a Leaf kit In the rear, H2 wheels, 285/70r17 Nitto terra Grapplers, air horn!! Injection Pumps. I read this also In Diesel power mag, that adding trans fluid In your gas tank keeps the fuel injectors lubed, therefore adding life to the injectors, but when I asked the diesel mechanic at the chevy dealer, he loooked at me like I was smoking something, I almost was going to bring In the article out of the mag, just to show him!!:drink. The Mishimoto MMODP-1415B Magnetic Oil Drain Plug for your 2001-2016 GM 6.6L Duramax and 2012-2016 Ford 6.7L Powerstroke Engine is designed to remove metal fragments in engine oil, thus extending and protecting the life of your engine.These oil drain plugs are constructed from billet 6061 aluminum with a powerful neodymium magnet. As for running the truck, it is possible. I add a quart to my tank every now and then. Weather Tech mats. Take you time and keep everything clean. I still have my emmissions intact. ANYTHING WITHOUT A DPF! CUBET tanks are ULC listed and they are made from HD-8760 high density copolymer. it quiets the motor down,lubes your fuel system and i gain a little mpg when i run it. Im not the most knowledgeable on diesels so take it easy on me but I was told today that if you put a quart of trans fluid in your fuel tank when it is about 2/3 empty and run it out it will burn out the carbon that builds up, is he pulling my leg or for real? How to Repair A Diesel Exhaust Fluid (DEF) Contaminated Fuel System. When your injectors start leaking and you are looking at $2-3000 to fix it you will wonder if you can still use it while you save up. Next is a leaking return fuel line, unlikely if there has been no work done on injectors. 2017 3500HD CCLB Black on Black LTZ Loaded L5P, Banks Derringer with I dash, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cooper STT PRO 285/65R18 and Vision Manic wheels. Assembly Site: DMAX engine plant, Moraine, Ohio. Chevy / GMC Duramax 06-07 LBZ & LLY Forums, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 1/4-13.57 98.75mph, on stock trans and no limps yet. JavaScript is disabled. Good luck. I've used about a gallon of atf for a full tank of diesel, it helps in cleaning the injectors and lubing them for long life. When I drained crankcase. Years Produced: 2001 - 2004 model years. The injection pump sucks all the fuel from the tank. Pulls a '05 Wildcat 31QBH 5th wheel. High Idle mod (Thanks Eric) Hopkins Easylift. Either your injectors are bad or you have more then likely a return line leak. The injection pump sucks all the fuel from the tank. "There is *no* advantage to adding motor oil, or transmission fluid to diesel fuel. PPE Boost Valve. A friend of mine told me to dump ATF in my fuel tank to clean the injectors and I was wondering if this was a good idea or not. See Recommended Fluids and Lubricants on page 11-8 and Automatic Transmission Fluid on page 10-9. So good to know. Gauges. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. My 2004 GMC LB7 has been smoking for a few years now and slowly getting worse.
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