Mercedes sprinter fuel line diagram

Broken fuel return fitting. Unfortunately, I think I know the answer to this question, but here goes anyway: So, I'm changing the fuel filter in my 3.

mercedes sprinter fuel line diagram

This is a really small 90 degree elbow fitting that fits into a socket on the steel return line and is retained by a wire clip. I am thinking that I cannot be the only ham-fisted clod to have done this.

Re: Broken fuel return fitting. Try getting it from Mercedes Plan on a couple hours to replace it.

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The left side of the engine is a bit of a PITA. Be sure to replace the seals on the intake pipe and resonator if you remove them to snake the hose in. Good luck, Mike. Originally Posted by noblemercedes. Welcome to my world. I have been repairing Mercedes for the last 30 years and the engineers for the CV side bring it to a whole new level.

Nothing special except for sealing everything up to keep the dirt out. Even the smallest amount of dirt in the rail can give you problems. I use the Mercedes plug kit but you probably could get away with tape of some sort.

The system will self bleed after running a few seconds. Just cycle the key if it does run rough for more than a few seconds.

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I am happy to hear you are doing the job right. Many would have tried to remove the plastic elbow from the new line and just replace the broken part. All the plastic is brittle and the whole line should be replaced if any of it breaks. Arctic Whitewash Spotted Snow Leopard accents "My opinion and worth everything you'll never pay for it. Anyone can hold the helm when the sea is calm. Publilius Syrus "There are only 10 types of people in the world: Those who understand binary, and those who don't.

Could Anyone show me how to work one the left side? I have loosen the the high pressure line and the rail but the injector. Should I get a special too for loosening the high pressure lines at the injector side? It's still hard to lift it and reroute the return line. This is what my return fuel line was doing. Any input and common will be appreciated. Last edited by Kae; at PM. Get it figured out? If you find that you need to loosen the injector-side line without the specified tool, Harbor Freight can get you through If you find that there is any interference around the injector body, just use a grinder to clean up the wrench castings on the offset or try approaching from a different angle.

The wrenches are point, more angles but less bite. No tool should be required for the return line.Terminal 87 1 Terminal 87 3vehicles with a gasoline engine Terminal 87 3vehicles with a diesel engine. Terminal 87 1 Terminal 87 3 1. Convenience lighting Motion detector Reading and cargo compartment lamp courier vehicles Cargo compartment lighting. Fuel pump relay 5 Starter relay, terminal 15 1.

Preglow relay Secondary air pump for vehicles with a gasoline engine. Connection point on the base of the seat Pre-fuse box in the base of the seat 6.

mercedes sprinter fuel line diagram

Rear-compartment air-conditioning system Electrical heater booster PTC. Connection point on the base of the seat Pre-fuse box at the base of the seat. Additional battery input Connection for socket fuse on vehicles with additional battery. Electrical heater booster PTC Rear-compartment air-conditioning system. Air-conditioning system coolingfan — cab without partition and without rear-compartment air-conditioning system Air-conditioning system cooling fan — cab with partition and reinforced without rear-compartment air-conditioning system Air-conditioning system cooling fan — cab open vehicle model designation Electrical suction fan.

Retarder not in combination with battery cutoff relay Battery cutoff relay. Rear compartment air conditioning, compressor clutch, disengagea-ble reverse warning device.

Rear compartment heating blower Sliding door closing assistance, left Electric sliding door, left. Electric sliding door, right Sliding door closing assistance, right ENR level control control unit Compressor air suspension. Multifunction camera with Highbeam Assist With a warning when leaving a lane. Body electrics courier vehicles Rear-compartment air-conditioning system Roof ventilator Siren. SAM signal acquisition and actuation module auxiliary battery reference voltage Starter relay, additional battery Starter relay, left-hand drive 6.

Electrical step relay 1, left Snow plow relay, low-beam headlamps, right. Electrical step relay 2, left Snow plow relay, high-beam headlamps, left. Load relief relay, terminal 15 2 Snow plow relay, high-beam headlamps, right. Reverse warning device off relay Anti-theft protection with vehicle tracking relay.In modern cars the tolerances in fuel pressure in your system can be very tight.

The fuel pump needs to be able to send a certain volume of fuel at a certain pressure constantly. If you are having issues with the performance of your engine you may have a fuel pump going bad. All Search Everything. Fuel SystemPage 3. Fuel Pumps In modern cars the tolerances in fuel pressure in your system can be very tight. Click for More Info. Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs as on many later model BMWsor to fill transmissions, differentials, and any other assemblies when changing the fluids.

Brand Rating.

Fuel System

Fuel Additives. Can 1 customer review. Use every 3, miles to improve fuel economy, acceleration and reduce emissions. Can be added to gasoline, diesel, ethanol fuel, engine oil and directly into the combustion chamber through a vacuum line. Made with the maximum available chemistry, it is the most powerful fuel system cleaner on the market.

Excellent cleanup with proven results. Up to 5. Prevents phase separation, protects against corrosion, cleans the fuel system, stabilizes fuel and restores power.

mercedes sprinter fuel line diagram

Equally effective in E10 to E85 fuel. Stabilizes fuel up-to 1 year. Provides a perfect fuel utilization and clean combustion. Eliminates hard starting, stalling, rough idiling, and hesitation. Removes and dissolves residues, and protects against corrosion throughout the fuel system.In order to do proper diagnostics you will need a scan tool and some special tools available from Mopar Special Tools.

The high pressure pump builds the high pressure and delivers it to the fuel rail manifold, which buffers out pressure fluctuations and distributes fuel to the individual injectors. The fuel quantity valve fuel control actuator, M-Prop in the high pressure pump controls pressure output from the pump. The fuel pressure solenoid pressure control valve in the fuel rail has final control of rail pressure and prevents over pressurizing of the system.

If the check ball in the injector is leaking or the fuel pressure solenoid is defective then it will not build enough rail pressure to start the engine. The fuel system contains high pressure fuel up to 23, PSI. Do Not use your fingers to find leaks! High pressure fuel entering your bloodstream may result in amputation or loss of life.

If the smoke clears in less than 1 minute, this could be normal depending on temperature and altitude. Blue white smoke that burns your eyes is UN-burnt fuel. Cold temperatures, high altitude and excessive idle time all mean incomplete combustion. They must be replaced when removed, they are one time use only! If they are not replaced it will most likely lead to the the injectors coming loose while running, and possible damage to the cylinder head.

It takes about PSI rail pressure in order for the injectors to deliver fuel for starting. The turbochargers on these engines are a variable geometry type turbo. They use an electric actuator, controlled by a pulse width modulated signal from the ECM, to vary vane position depending on load and throttle position. Like any of the other VGT type turbos, these turbos are susceptible to carbon build up causing the vanes to stick resulting in several drivability problems.

Most commonly these complaints would include poor response, low power, black smoke, and poor fuel economy, among others. The turbocharger, charge air cooler and EGR system operate with one another and must be tested as a system. Buy Sprinter Replacement Turbos. Use the following information regarding diagnostic trouble codes in addition to the normal diagnostic procedures outlined in the service manual or technical service bulletins.

High Pressure Common Rail Basic Information The high pressure pump builds the high pressure and delivers it to the fuel rail manifold, which buffers out pressure fluctuations and distributes fuel to the individual injectors. Preliminary checks Record and repair any active DTC, they may be related to complaint Ensure that you have a good clean fuel supply. Verify that battery voltage is above Verify that cranking speed is above rpm No Start or Hard Start No or low fuel supply pressure to the high pressure injection pump CP.

Injectors; monitor rail pressure and see if you have over PSI during cranking, if not, one or more injectors can cause a hard start, see injector section for further diagnostics. No smoke from the tailpipe after about 10 seconds of cranking means no fuel is getting into the cylinders.

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There should be no fuel coming out of the solenoid while cranking. Perform the fuel rail pressure solenoid leak quantity test to determine if it is faulty.The Mercedes-Benz Sprinter, with its easy entry and exit, comfortable seating and economical operation, is well-suited to just about any person-carrying job out there. Mercedes-Benz diesel engines are known for their longevity and durability, as well as their low cost of operation over many years of ownership.

Mercedes-Benz says that the Sprinter offers best-in-class roof height and the easiest step-in height among large vans. The 4-cylinder unit makes horsepower and pound-feet of torque. The optional 3. The four-cylinder engine is mated to a Read more The Mercedes-Benz Sprinter is powered by a 2.

The four-cylinder engine is mated to a 7-speed automatic transmission, while the V6 is paired with a 5-speed automatic. Mercedes-Benz says that the powertrain gets 30 percent better fuel economy than a comparable gasoline engine and complies with the most up-to-date emissions standards from the EPA and California Air Resources Board. The Sprinter's upright body, with nearly vertical side walls and a rather low loading floor, is incredibly spacious inside, leaving several feet above most occupants' heads and plenty of legroom no matter the row.

There's a choice between standard and high-roof models, as well as a inch or inch wheelbase, and with the taller body, occupants up to 6'-4" can stand in the cabin. There are four rows of seating, with the capability to carry up to 12 passengers. Entry and exit are quite easy, thanks to a wide-opening sliding door that opens to an amazing 4'-3" wide and six feet high.

The standard rear doors open degrees for easy cargo loading as well. The Sprinter has an instrument panel that's a little more car-like than other full-size vans, but its seating position is quite upright.

Mercedes Sprinter Service and Repair Manuals

Overall, the Sprinter drives with a more confident, planted cornering feel than might be expected from such a tall vehicle. That's thanks to an independent, coil-spring front suspension and rack-and-pinion steering.

Four-wheel anti-lock disc brakes with brake assist and inch wheels are standard. Side thorax front airbags and side-curtain bags are available, and they are standard on and models.

Standard features on the Sprinter Passenger Van include a tilt and telescopic steering wheel, automatic climate control, front-seat armrests and power front windows. In addition to the V6, options include cruise control, roof rails, a self-leveling system, bi-xenon HID headlamps, a heated windshield, auxiliary rear heating and a rearview camera system.

Available Park Assist helps drivers to safely back the vehicle into position. So equipped, the Sprinter can tow up to 5, pounds Close this There's a problem loading this menu right now. Would you like to sell products for this vehicle on Amazon. Learn how. Forthe Mercedes-Benz Sprinter receives a revised design for the grille, headlights, bumper, and badging.

LED daytime running lights also feature on the Sprinter, and window and thorax airbags are now standard on and models with a 9, gross vehicle weight rating. Mercedes-Benz says that the Sprinter offers best-in-class roof height and the easiest Read more. Close this. The Mercedes-Benz Sprinter is powered by a 2. So equipped, the Sprinter can tow up to 5, pounds Close this. There's a problem loading this menu right now. Learn more about Amazon Prime.Keep your injection system clean by changing your fuel filter every year or so.

When fuel filters get clogged, they can cause all sorts of problems, including clogged injectors, and contaminated fuel lines. Many times changing a fuel filter can make an old car run like new. Fuel leaks are no laughing matter! Fuel lines can carry fuel from the pump to the injectors and they can age, crack and split.

The entire fuel system is under pressure and this could lead to a catastrophe. Replace any suspect lines with new ones from Pelican. All Search Everything. Fuel SystemPage 1. Fuel Filters Keep your injection system clean by changing your fuel filter every year or so. Fuel Filter - with Heating Element.

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Click for More Info. Fuel Filter. Fuel Filter - with Water Separator.

Mercedes Diesel OM601 OM602 OM603 Common Fuel Leak Problems

Fuel Lines Fuel leaks are no laughing matter! Fuel Return Line Leak Line. Brand Rating. Fuel Line Hose Clamp - This site was designed and produced solely by Pelican Parts. Pelican Parts is not associated with Porsche Cars North America in any manner, except for a mutual appreciation and love of the cars. All pictures and references to the Porsche name, and the car names and shapes are for restoration reference only, and do not imply any association with Porsche.

Pelican Parts is not responsible for any typographical errors contained within the site. Information and technical articles within this website are for reference only.While it may not be difficult to buy replacement parts for Mercedes-Benz vehicles, these days the necessity for nothing but the absolute best are required to repair your car or truck.

Mercedes-Benz automobile owners have grown accustomed to a certain level of performance when driving their Sprinter around town. When your Mercedes-Benz Sprinter rolled off the assembly line, it was destined for a person with discerning taste who wants German engineering in their automobile. The vehicle in your driveway is head and shoulders above the rest when it comes to all the cars, trucks, and SUVs in today's marketplace.

If the gas or diesel that powers your Mercedes-Benz Sprinter engine could be considered its blood, then the fuel lines and hoses would be its veins. These give the fuel a conduit so it can travel from the gas tank to the engine and into the combustion chamber. If given enough time, rust and old age can take their toll on your Mercedes-Benz Sprinter fuel lines and hoses. This will manifest as a fuel leak, and they will need to be replaced as soon as possible.

At Car Parts Discount, we have real customer support agents on the phone with enough expertise to help you purchase the appropriate Mercedes-Benz Sprinter part for your needs. Given all the hassles associated with installing a part to fix your car or truck, let www. Bring your Sprinter back to life with the highest quality repair parts from the experts at Car Parts Discount.

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Fuel System

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