Lml Injector Return Line Removal - L5P #5 injector replacement.

⇒ If fuel leaks from the fuel injector, replace the fuel injector. I have seen a good amount of broken injector hold downs clamps-they were cracked. Remove turbocharger coolant return banjo pipe from the turbocharger (Item #5 in Fig. Crank the engine for 15 seconds and measure the fuel from the regulator. Duramax-lml-lgh-bosch-return-line-kit-up-close. These return line assemblies are notorious for breaking during removal or leaking due …. With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology. Maybe it got partially knocked loose putting the PIA heatshield back on. Installation of the S&S Diesel Motorsport 50 State CP3 pump is as follows: 1. Bolts to engine head in the vehicle. Injector terminal connectors: 18 inch-lbs. Merchant Automotive Fuel Injector Line Kit, Duramax | 2004. The new LML Duramax Cp4 fuel injection pumps. Surgical nail removal is typically done to treat severe or re. 8: High and low fuel pressure line removal. Now I would like to take the 9th Injector off the truck so there’s no chance of it leaking or getting damaged while on the road, I have heard of guys just zip tying it out of the way to the frame. this lnbSl5 lnb slimline multiswitch. We provide top quality parts for the specific make of your diesel truck. Deluxe Injector Removal Tool LLY/LBZ/LMMFits: 2004. 6L LLY/LBZ/LMM (0) Reviews: Write first review. Injector O-rings are flat plastic or rubber rings in a vehicle's fuel injectors. How to remove your fuel injector return lines on a 6. how to remove range rover evoque diesel return line. The GM 97359750 Injector Return Clip for your 2004. Lml Injector Return Line Removal. These are the exact same lines you would get from a GM dealer & include a 1 year unlimited-mileage warranty. 6L Duramax LLY, LBZ, LMM Left Fuel Return …. I haven't seen where we can get just the orings Hmmm. Toggle navigation 989-479-0444 Mon-Fri Additional Images. Put a little bit of flux on the terminal after cleaning it up and removing any oil. Our Voluntary 30-Day Return Guarantee does not …. If you see more than 20 ml per bank (or 40 ml for all 8 cylinders) then you have a bad injector (s). An extremely sharp knife will allow you to cut the hose and remove it without damaging or breaking the …. My question is what should I do with …. Pulls injector completely out of head. I have read posts from owners who have a similar problem and say that they injected compressed air into the return line to achieve this, 3 bar - 43 lbs. Also known as the "9th" injector or dosing valve. bronco 956 news 2003 GMC Sierra 2500HD 4 door, short bed, LB7. 7L Powerstroke 2011 - 2016 Duramax When a fitting breaks or the injector return line is damaged, GM and Ford offer the same solution - replace the entire return harness which, in both cases, lists for around $200 and with installation can run as high as $1300. DISCLAIMER! LML Fuel Injection Replacement Kit with CP3 Conversion. Expert Advice On Improving Your Home Vide. Then, clean, flux and solder the wire. At this Expert Advice On Improving. In the event the vehicle runs out of fuel a fuel injector return check valve in the exhaust aftertreatment fuel injector supply line opens and the fuel supply pump back. 8 LB7 fuel injectors, GM part number: 97729095. Sent from a ditch being dug near you using Tapatalk. Each injector has a $100 core charge and is fully refundable if they are …. 92 ★★★★★ ★★★★★ Vehicle Fitment: 2011-2016 GM 6. Get it as soon as Friday, Apr 26. In (DIY) Collapsed/Kinked Fuel Line repair. * 1-Fuel Filter Housing to Fuel Feed Hose. I had a code pop up stating that the number 4 injector is at max learning. 410 ammo for sale walmart Add to Wish List Add to Compare. That tech forgot to install a clip that helps hold the injectors in place, which caused the injector to start leaking compression. 95 from Big Dawg Diesel and Surplus. Remove the return line where it runs from the engine to the frame steel line and blow into it and see if it is free to the tank. Email Us Get answers from the pros. It pulls 2 inHg while cranking. 2015 DuraMax Injection pump troubles. Check Details Duramax return injector fuel lml fitting lgh quick connect line diesel connector vehicle accuratediesel. I had my injectors out, now several of the fuel return lines on top of the injectors leak. 0445130020 Bosch OEM Fuel Injector Return Line - GM 2011-2016. Kit Contains: * 1-CP4 To Fuel Return Hose. Even if you disconnected it from the injection pump, it would still dump fuel out into the valley of the engine. Use a high watt, 130w or more should do it, soldering iron. Part 4 of 8: Remove the fuel injection lines. Hoffie said: I just unbolted mine from the exhaust and then zip tied it to the frame rail. The injector return line from the pump to #4 injector blows off at the injector pump, fuel sprays out and I have a fairly substantial fuel leak spraying out the pump. Apparel & Accessories; Air Intake Systems; Engine Components & Sensors;. This plug is required to block an unused fuel return loop on a LML Duramax after completing a cp3 conversion. amazon solar water pump Most of the issues have already happened on my '11 and have been corrected under warranty. Using J-48770 or equivalent, tighten the high pressure fuel injector line rail fitting nut to the fuel rail. 96 jonathan lucas st charleston sc 29425 Products such as the Cheetah line of Turbochargers, the TapShifter, and the TurboBrake have established Fleece …. I installed lbz pump and new lml injectors and started and ran like a top, but anything above +- 10percent throttle it will stutter and stumble and shake and almost die out. A 5mm Allen socket was used to loosen and carefully remove the fuel return line. Purchase XDP OER Series Fuel Return Line Assembly 11-16 GM 6. May 4, 2018 · Replace the injector return line, replace regulator 2 in the driver side front rail. Here is a list of the parts you will need to do all 8 injectors. Check Details Lml / lgh duramax injector return line assembly (2011-2016) Lml lgh duramax fuel return line assembly 2011-2016Exergy performance 1-018-342 lml stainless 9th injector return plug w Return lml injector 9th line plug exergy performance fuel stainless ringFuel duramax return lml lines remove. See more info from : Chevrolet-GMC Diesel Diagnostics. You can do the injector return flow test youself instead of paying the dealer $500 to do it. A fuel return line prevents the engine from running out of gas if the car is turned off in an unsafe spot, like on railroad tracks or a tight road. GM Genuine Fuel Return Hose is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. 5 GMC / Chevrolet (injectors UNDER valve cover) BOSCH CP3 Fuel system with SOLENOID injectors. I just cut off the existing tubing and attached 30" lengths of the polyethylene tubing. Buy Now- LML/LGH Bosch® OEM Fuel Return Line Assembly $ 149. Disclaimer:this video only contains tips and recommendations that could be useful when carrying out. LML & LGH Duramax Injector Fuel Return Line - Bosch Genuine Alternative Part #'s 0 445 130 020 0445130020 0445-130-020 12633835 12639000 SKY01133. 2 injection pump with a CP3 can save thousands in repair costs down the road while remaining emissions legal. bishop tim hill net worth Very carefully remove the hose from the return connectors on either side of the broken connector. 6 lml duramax rebuildable injector cores – 2011-2016. 2 that injects raw diesel fuel into the exhaust system via the turbo downpipe. But if you follow these steps, you will keep your property safe, no matter how much snow falls. Fleece specially designed this disconnect tool for the removal of the dosing fuel injector line on your LML Duramax. I don't know how far you are in your job but make sure you drain the engine coolant before pulling the injectors in case you pull a cup, (sounds like you will) any coolant will drain into the top of the motor and cause an hydrolock. Advertisement Follow these steps to remove urine stains from Wood: Advertisement Please copy/paste the following text to properly cite this HowStuffWorks. Take the keys out of the ignition. My tuner said that I had to leave it connected to the wiring harness. com may remove any original part numbers from modified injectors prior to shipment. Read this full breakdown of costs to expect from your tree removal project and how to save. LML Regulated 9th Injector Return Line Not Available. REPLACE: Similar to J-46594, replace to OTC 6778. Master Fuel Injector Kit for 2011 – 2016 6. Connects return line at each injector. On average, tree removal costs around $750 to $1,200. LML duramax won’t start after turbo & injector replacement. Find many great new & used options and get the best deals for Duramax LML / LGH Fuel Injector Return Fitting fits injectors 1,2,3,4,5,6 +9th at the best online prices at eBay! Diesel T Tee Quick connector snap line hose. 2011 - 2016 Duramax LML / LGH Injector Replacement Installation Kit. 6L GM Chevrolet LML Duramax Diesel. Pair (Services Both Sides): $15. allen silver wikipedia recommend replacing the regulator, the injector return line and check valve assembly. volvo d12 sensor location I just put new injectors in the truck last weekend from Lincoln. Description: Dipaco Duramax Diesel Gasket & Seals Kits Condition: New. Do you know how to remove linoleum? Find out how to remove linoleum in this article from HowStuffWorks. Genuine GM Parts 12656313 - PIPE ASM-FUEL FEED « Prev; Main;. Balance Rates, are checked in Park or Neutral, Any injectors that are more than +4/-6. GM Part #’s 98006523, 98006524, 98006526, 98006527 Full set (8) We highly recommend replacing these to ensure the longest lifespan for your new injectors. I made an adapter to allow me to attach my slide hammer to the fuel line fitting and make it so the slide is parallel (or close to it) to the injector body. Put the tool around the hose then push it in towards the fitting till the hose comes off, if it seems hard you're doing something wrong. 2 & 7) Kit contains 2 of each fuel line, for a total of 8 lines, one for each cylinder. DEF LB7 Injector Return Line Bolt Replacement for 2001-2004 2500 Diesel 6. 00 Dhd 300-114 lml 9th injector plug …. - If vacuum does not build and hold, go to step 4. Shop TrackTech Fuel Injector Return Line Set For 2004. Remove the return hose from the fuel pressure regulator 2 (pressure control valve in left hand rail) and plug the hose. Buy LML Injector Return Rail; Check the injector returns. kitchenaid superba oven display dim Yep, you can cut the factory pick up at any height. Taking a picture is also recommended. Accept Core Charge * VIEW CORE RETURN POLICY Merchant Automotive 10813 Deluxe Fuel Injector Removal Tool. Most lipomas do not return after. Youll have to get an oring kit for the injectors. Prime the fuel system by turning the ignition key to the “start” position a few times (with several seconds in place). 6L Duramax Injector Return Line Right part number 400552. Received a letter last week that states they have been having problems with the injectors on the LML's and have extended my warranty to 10 years from date of purchase or 193,000 KM's. Shipping calculated at checkout. If you want to remove this computer name, you del. This also applies to engines with codes: CBAA, CBAB, CBBB. I can't get it to work to checkopen scan tool choose balancing fuel flow rates in the Pids click the green button to connect to truck Then go to data and all the values are-256. 3K views 2 replies 3 participants last post by Tango. hobby lobby chair cushions 75mm, as it was is compressed and heated while in place the "relaxed" size is probably a touch bigger. Become a Reseller Find a Reseller. So I have a fully deleted 2015 GMC Sierra 2500. Lml Injector Return Line 27 Jan 2024. Was told if they find any metal they would have to tear the engine down. Also, I explain how to prime the fuel system near the end of the vid. So I ended up getting the line removed from the fuel rail with a crows foot and unbolting the bracket in between the 6th and 8th injector lines and completely removing …. Once the truck starts, be sure to shut it down right away and undo the pinched return line or else it will create an issue. it takes 20-30 pumps to get the primer firm. Dealer has had it for 3 1/2 weeks. including the fuel return line, to help remove all debris and prevent future. bolet ayiti jodia Crank or idle the engine until fuel is dripping out of the line. The only way to eliminate the variables present in the vehicle and identify if an injector is running at factory specifications, is to remove the injector from the engine, clean, flush and test it on a properly programmed test stand. Install CP3 in reverse order of CP4 removal. The volume of fuel should be less than 10 ml. On the block, The 1/8" nipple is return, the 1/2" nipple is supply from the tank, and the test port connects to supply. not sure the exact number but diesel hose rated at 350psi will be just fine. If the battery no longer holds a charge or begins to otherwise fail, replace it with a new battery. 8 CRD 05-06; VW and Audi 78-90; Volvo Diesel; Mercedes 70-95; Sold by the foot. 6L Duramax Diesel Engines LML, LGH. Save yourself time and money and do it yourself. They clearly used channel locks to remove a lot, including the injector return line banjo bolts. Injector O-rings provide vacuum pressure for the injectors to work properly so that no outside air. Kit Details Complete repair solution for LML CP4 Pump failure, featuring …. 2016 LML duramax, cp3 swapped (before rebuild all tuning is for cp3 swap), fass 165, installed Mahle performance pistons and rings, I’ve bled all the air you can possibly think. Merchant Auto 10383 Injector Return Line Small Banjo Seal - 3 PACK. Locate the fuel filter housing bowl. Core returns required – $150 charge if no core returned. Remove the fuel return line (2) from the fuel injectors (3). Try to post a picture up before removing the lineWhen you remove the line many times. Fuel Injector Return Quick Connect Fitting for Duramax LML/LGH Injector # 7. Injector Line 3 & 6 #: 98063064. OR lift the cab completely off if you have a lift. , ITS LIKE 90 PSI SO MICKEY MOUSING IT WONT WORK, IF YOU LOSE PRESSURE ON THE RETURN SIDE THE INJECTORS WILL NOT FIRE. It also offers an added safety benefit, which is why it’s often mandated by law. This is an actual OE PASSENGER SIDEinjector return line. I've repeated the entire process 3 times and it won't crank at all. Buy a quick connect Duramax LML / LGH fuel injector return fitting at Accurate Diesel. Ford does not specify a return. Qty: Add to Cart Add to OEM BOSCH Fuel Return Line (LML/LGH) 2011-2016* GM OEM Water Pump Coolant Bypass Tube Lower Seal (2001-2016). Island Diesel offers injector lines (also called jump tubes), installation gaskets, seals. A small leak from not tightening enough will show in the sample, You. Or try and get the dealer to give you the hose from factory. 6L Duramax LML/LGH Fuel Return Line Assembly (0) Reviews: Write first review. This will help hold debris from falling into the injector during line removal. obituary lufkin tx If there is evidence of pump failure, the fuel injectors, fuel rails and all and low- high-pressure fuel lines must be replaced. 6 Duramax LML Disaster Kit (Kit Only) $2,757$2,757. Im replacing a turbo on a friends 2011 chev 2500 LML. Removal of the fuel-injection pump requires removal of the coolant Y-bridge that holds the thermostats. The GM 98062291 Driver Side Fuel Injector Return Line for your 2004. My question is what should I do with the return. Save well over $100 and several hours with our replacement fuel injector quick connect fitting! We include one foot of high-quality self-sealing braided rubber return line. huge blackhead removal 2022 This video shows how to replace a Chevy Duramax LML injector without buying any special tools. This tool will eliminate damaging the injector during removal. Check the line connection by pulling up slightly on the line assembly. Remove high and low-pressure fuel lines. *Unless otherwise specified, all prices listed are for the individual component (“each”), not full sets. The high-pressure fuel then leaves the pump and travels through your fuel system towards your injectors. The design pulls the injector straight reducing the chance of damaging the injector or head. Fleece Performance Engineering is a leading manufacturer of aftermarket diesel performance products. That hose on the fuel rail is the fuel pressure return line, they are prone to leaking due to the amount of heat cycles they are exposed to. CUIDYSDP Fuel Line Disconnect Removal Tool Set, 1/4 5/16 3/8 1/2 5/8 3/4 7/8 Inch Master Quick Disconnect Tool Kit for Automotive AC Fuel Line and Transmission Oil …. We do not research by customer name, only invoice # or RA #. When I asked about this issue he stated the injector was a crappy design, and they see this often. 5 MPG Diesel Power Challenge 2008. The parts I need to replace are #5 and #19 on this dealer website. Want a DTech Injector and Return Line Install Kit? O. If it is try blowing it out before re installing the line. 6L Duramax Return Fuel Line (Bolt (8 PCS)) $13. If your fuel system has suffered from catastrophic CP4 pump failure. I got it timed to the cam, just checked return, but cranking 10 seconds got me id say 30 ml which isnt right, the #3 injector reads 10 or so on the balance and 2 shows 3ish. Rail to rail cross-over high-pressure line - Remove this line clamp/bracket from the high-pressure line. (At least as a trial before replacing). 7L Ford Powerstroke / LML LGH Duramax. Replacing the problematic Duramax LML CP4. Remove the intake to the turbo coming from the CAI, then remove the “Y” pipe that sits in front of the turbo, tape up the holes after removing the “Y” pipe. U will know quickly if it's to much fuel. Along with XDP's own line of high-quality remanufactured fuel injectors, you can find the injectors your truck needs from brands like DDP, Alliant Power, Bostech, and many more. You will need to remove the harness connector over the valvecover. 5 Chevy 3500 single rear wheels. I have every right to point the finger at the person who installed them. Command time did say a little lower than other cylinders while steady rpm under load and “knocking sound”. lbs LB7 Torque Specs • Replace the high pressure fuel lines in. Bosch is a prominent OE supplier of diesel fuel systems for a variety of diesel vehicles. 5 or less before and now #6 is holding steady at -2. zillow st helens or 6L Duramax LB7 Injector Fuel Return Line 2001-2004 | BT-Power DEC010733. Disconnect the fuel return line(s). Only 19 left in stock (more on the way). All items must be received in original packaging to receive $800 core credit, or NO credit will be issued, NO EXCEPTIONS!*. The injector solenoid wires were removed using a 7mm socket. They do not contact fuel at all. I finally decided to design a special tool that would do just that!. The injector return line clip retains the fuel return line fitting connector to the injector. Although the exterior of the hose may look fine its not uncommon to see degradation on the interior of the hose. Verify the fuel injector return line pressure is greater than 3 BAR. E320 CDI return fuel line replacement with Teflon Tubing. The CP4 pump has a tendency to tear itself apart from the inside for lack of technical terms. Click here: LB7 Injector replacement instructions. Crank or idle the engine for 15 seconds and measure the return quantity. Relieve the high pressure fuel in the system by simply letting the engine cool down or wait five minutes. AJ, We can get the whole return hose with t's in it for around $25 to $30. In most cases, we do not generate application lists. ^^ your leak on the passenger side is more than likely that line. If fuel leaks from the injector, replace it. Features: Direct-Fit Services Both Banks OE-Style Replacement Includes Regulated Return Valve. 0Diagnosis Time (Excluding US/Canada) - You may claim up to the allowable labor hours depending on actual time to perform electrical diagnosis ADD …. GM 12639000D LML LGH Duramax Drivers Side Fuel Return Line 2011-2016 (0) Reviews: Write first review. 7mm connectors to 2Nm or 18 lbin. Bt dieselworksDiesel harness pigtail injector duramax 2005 wiring lly gmc repair chevy 6l connector 2004 performance llc kb copyright Harness engine wiring diagram parts lly gmFor sale. after running for 5-10 minutes and shut it off, it will no start. Remove CP3 cascade overflow valve and …. Just remove the attaching bolt and lines, then is should pull up. 7L Ford Powerstroke OEM Fuel Injector. There are no air bubbles when I run the engine; however after shutting it down air enters the system about 30min later and flows from the cp3 toward the ficm. Fuel Injector Removal Tool with Slid Harmmer Puller Injector Seal Replace Install Kit compatible with BMW N14 N18 N20 N26 N47 N53 N54 N55 N57 N63 S63 B38 …. 2 year Unlimited Mileage Warranty. Fuel injector return line bolts: 12lb-ft Fuel Return pipe sleeve nut: 30lb-ft Fuel Return pipe Sleev unit: 30lb-ft Fuel injection pump to block bolts: 15lb-ft Fuel Injection pump drive gear nut: 52lb-ft Fuel line bracket nut 15lb-ft Function block to injection pipe fitting: 30lb-ft Generator/Alternator bolts:37lb-ft Glow Plug: 13lb-ft Idler. Engine Cranking for 15 seconds, verify no fuel leaks from the fuel injector. Big Thank-you to Merchant Auto. In this video I demonstrate how to test fuel injector return rates on an LB7 Duramax engine. I did pull of of the return line fittings and measured the OD of the O-ring while on the fitting, 5. * 1-Fuel Pressure Regulator Vacuum Tube. Injector last are fairly easy to remove. Replacing the return line during injector installation can prevent contamination issues, and leaks due to cracked or brittle hoses or fittings. My 2014 had the check engine light on last week, dealer found code P0420 and replaced the failed Indirect Fuel Injector under my extended warranty. High Pressure Fuel Injector Lines 11. Cp3 duramax lml transplant cp4Lml / lgh duramax injector return line assembly (2011-2016) 11-16 gm lml/lgh & 11-17 6. Take the coolant pipes off of the turbo. Pulls Injector Straight reducing damage to the Injector and or Head. LDS’s industry leading LB7 Injector Return Line Bolts have been heat treated to a yield strength of 135,000 psi. 2 highly incapable of handling additional horsepower without the addition of a lift pump. 6L GM / Chevrolet LML & LGH Duramax Diesel. So today I was driving my truck and smelled coolant. Iwould've posted a picture but I can't figure out how on this forum. 6L Duramax LML Diesel Injector Puller. 6L Duramax LML Diesel engine 2011-2016 pickup truck. Fuel Injection Pipe Nut *** 22 lb ft¹: Fuel Injector Bracket Bolt: 22 lb ft: Fuel Injector Pipe Bolt: 89 lb in: Fuel Inlet Pipe Bracket Bolt: 15 lb ft: Fuel Injection Pump Assembly to Cylinder Block Bolt: 18 lb ft: Fuel Injection Pump to Adapter Bolts *** – M8 : First Pass: 71 lb in: Final Pass: 18 lb ft: Fuel Injection Pump to Adapter Bolt. Includes: (8) Copper Chamber / Tip Gaskets / Washers. Use a fuel hose quick disconnect tool and remove the fuel injection line from the fuel rail behind the engine along the firewall. The ID is given to the computer when you install the Windows operating system. Get a set of Fuel & AC line quick disconnect tools (I used cheap plastic ones cause I already had them). The LML doesn't measure def 'quality' directly. One line (the "fuel in" side to your lift pump) is on top of the fuel tank, at the front, a couple inches in from the center of the truck, its the bigger of the. A fuel return line is a pipe that helps to maintain the fuel’s pressure. Full Set of Fuel Rail Injector Lines. Lly 3 6 injector lineReturn lly line injector lh lmm fuel lbz duramax days available Duramax lml injector fuel lgh assembly regulatedDuramax lmm injectors. 6l 2500/3500 pick-up gm duramax lml injector – diesel parts. Took a couple hours of cranking to get it up to pressure. Old threads will show that the most common cause of 'poor def quality' was that one or both of the NOx sensors were in need of replacement. live local police scanner A professional test kit that is used to monitor the Diesel fuel return comparison on a comm. The injector return feeds into a 5/16" line and snakes accrose the Y bridge picks up the cp3 return line then goes to the line that is by the glow plug module. The LML Disaster Repair Kit with CP3 Convresion from Industrial injection includes everything needed to repair your LML fuel system in the event of catastrophic fuel system failure at half the price as your local dealer. I have the fuel line disconnect tool but it doesn't appear to fit. For the number six high pressure fuel injector line only, install the PLV sealing washers (2) and PLV return line banjo bolt (1). I pulled the hoses off of the end of the old broken pice and then pried the broken part out of the Injector. Slide hammer always works for me on stuck injectors. I just finished my injectors today and thought i would post a couple quick tips of things that helped and things i did wrong. At the time of its introduction in 2001, the LB7 Duramax was considered the most advanced diesel engine to be used by any OEM in the light duty truck market. All the fuel return Lines and hoses for your 2012-2016 LML Duramax in one convenient kit. The crimp butts up to a flare on the metal line. Buy Now-LML/LGH Bosch® OEM New Fuel Rails $ 399. SKU: PFI-F00E200296 Category: Injectors & Accessories. If the line pulls off the injector, you’ll need to repeat the procedure. If the rail nipple leaks-- the problem is the FPRV is not sealing the pressure. Check Details Wiring satellite wally directv hopper rv swm splitter winegard schematron dph slimline. 9 kPa (1 psi) of pressure air into the fuel return at the engine. 5-2010 LLY, LBZ, and LMM Duramax Diesel. Replacing the return line during injector installation can prevent …. If its blowing off say between #4 an #6, take the returns off #4 injector and make sure you can blow through the injector return nipples. After pulling the fender well off and finally getting a hand in there to pull the connector release and reset the connector back on the fuel leak stopped. so on the lml the injectors need to have I think like 150 psi in the return lines leaving injector to run right, has any one dealt with the regulator going bad we …. Cracked injector bodies, caused by metallurgical issues, apparently plagued early LB7 injectors and diesel in the oil was a common indication of failure. security word citibank Mercedes Sprinter, GL350 fuel injector return line removal, best way to do it is with WD-40 and nose pliers. Hey guys, I Just replaced my headgaskets on my 2005 lly and replaced both injector return lines, made sure to get all old material out and grease the o-rings. Click Here: Lincoln Diesel Specialties. In order to create this back pressure, the return line assembly is equipped with a return pressure regulator designed to maintain between 4 and 11 bar (58 - 160 PSI) in the system. Duramax lml / lgh fuel injector return quick connect fitting. 247 ole miss football 2018 toyota highlander start stop battery replacement 6L LML/LGH - Brand new OEM fuel return line, these return line assemblies are notorious for breaking during removal or leaking due to cracks and heat stress.