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mercedes fuel injector replacement

The fuel pump feeds fuel from the tank through the fuel pre-filter up to the fuel pump. Once the engine is cold, the pressure within the fuel rail is relieved by briefly running the engine with the fuel pump fuse out. Make sure you place a rag over the injector holes (yellow arrow) to stop anything from falling in. Disconnect the two hoses from the drivers side valve cover to give you more room to work. Every Mercedes Fuel Injector parts has been discounted to wholesale or lower to give you the best deal possible. Unplug the coil from the spark plug and remove. Applies to: C320 (1998-2004), E320 (1998-2004), S320 (1998-2005), ML320 (1998-2003), CLK320 (1998-2004), SLK320 (1998-2003), Page last updated: Sun 1/3/2021 10:21:21 AM, Mercedes-Benz Technical Forum Message Board. The average cost to replace a fuel injector on most vehicles, which is one of the more common repair needs, would be about $140, excluding diagnosis. An O-ring seal usually holds the injector very firmly in a finely polished bore in the fuel rail. Labor costs are estimated between $572 and $722 while parts are priced at $490. /. If you are going to be replacing your injectors, the first step is to prep the car. 56,000 miles May 2016 now 85,625 Apr 2018 and Apr 2019 101,000 miles Apr 2020 109,875. While most of the fuel will drain out pass the piston rings, a severely leaking injector can cause hydro lock. Have a fire extinguisher handy, there will be some spillage of fuel as it's nearly impossible to prevent. Using an E10 female Torx you can now remove the four Torx bolts holding the fuel rail and injectors to the intake manifold (green arrows). There may be an additional line at the other end, so remove that one, too. Figure 1. This is the bottom of the washer and should point down. Knowledgeable and professional. _____ 84 300D, 82 Volvo 244Gl Diesel ... 2006 Mercedes CDI new daily driver! The red arrow shows the fuel supply line. The fuel injector is sealed up tight during the manufacturing process. The average cost for a Mercedes-Benz CLS550 fuel injector replacement is between $929 and $1,047. Diagnosis is usually an hour of labor, though if an injector fails electrically and triggers a code the diagnosis of that is about as simple as they come, and many shops would fold that into the replacement labor. Purchasing Mercedes E350 Fuel Injector parts online from AutohausAZ.com can be a huge benefit to you. Pull the fuel rail and injectors up and out of their holes in the manifold (green arrows). Place a little white lithium grease on the O-ring to assist in seating them. Do not use fuel system cleaning compounds, or procedures, unless such materials are specified by the manufacturer of your car. The injectors are held on by metal clips; they can be pried or pulled of the rail. New injectors will come with new O-rings. The supply and return lines are removed from the fuel rail. Mercedes-Benz E350 - Pre-purchase Car Inspection - Debary, Florida. Let us provide you with all your Mercedes Fuel Injector parts needs. Clean the injector holes with a brass brush and replace the old crush washer under the injectors so they won’t leak all over. If the tip is worn out or damaged there is nothing you can do to repair that. A properly working injector will send a precise amount of atomized fuel into the induction system at a designated time. O-rings in this application fit very tight to prevent fuel leaks. Service type Fuel Injector Replacement: Estimate $1657.82: Shop/Dealer Price $2065.60 - $3192.59: 2008 Mercedes-Benz E350 V6-3.5L: Service type Fuel Injector Replacement: Estimate $1635.82: Shop/Dealer Price $2037.23 - $3159.45: 2012 Mercedes-Benz E350 V6-3.0L Turbo Diesel: Service type Fuel Injector Replacement: Estimate $5179.05: Shop/Dealer Price $6480.58 - $10236.08 The choice to repair versus replace will depend on exactly what is wrong with the injector as well as customer preference. Join us in our Mercedes-Benz Technical Forum Message Board and ask a question to one of our many automotive experts. There are two emission hoses on the driver's side valve cover you will need to move to give you more room, they just pull straight off. There are no replacement parts available for Bosch mechanical gas fuel injectors. Pull the cover straight up and off. Next, you can remove the injector from the rail by wiggling it out, it is just held in by the O-ring at this point. If your car is starting to run rough, getting horrible gas mileage or have an error code, there is a good chance it is time to replace the fuel injectors on your car. The PCM controls the solenoid’s “on” time in order to keep the air-fuel ratio optimized while the engine load and operating conditions constantly change. If you drop something into this hole you must get it out before going any further, this hole goes directly into the cylinder head and will cause catastrophic damage if left in! Note: You can also use this valve to test your system's fuel pressure. You will need an E10 female Torx socket. They just pull straight back and off. Refine by: Fuel Injector (part) Brand. Fuel Injector Replacement Cost. Now remove the main engine cover. Injector with New Spacer. The fuel rail is held in place by four bolts and the rubber O-rings on the injectors, but there are a few things you will need to remove first to give you room to work. $22.39 - $1,167.29. There is a hard plastic line that runs along the top of the driver's side fuel rail, this is for the EGR purge valve, pull it out of its connectors and set it aside. Installation is the reverse of removal. If you are experiencing a vacuum leak it may be one of these O-rings. Got more questions? YourMechanic All rights reserved. On the car cleaning of fuel injectors is not as effective as off-the-car cleaning because injectors have tiny internal filter baskets that should be replaced as part of the process of servicing a fuel injector. Real customer reviews from CARS.COM — Cleaning fuel injectors is a service frequently recommended by dealers and repair shops.But unless there are noticeable signs of clogged fuel injectors (such as a … Phoenix and International callers, call (602) 276-9402. Upfront and transparent pricing. Begin by removing the larger rubber crossover hose between the vacuum regulators on the front of the engine, along with the small rubber hose that has a Y connector on the passenger side. The fuel rail is re-installed and the supply and return lines are re-connected. Remove the electrical connector on the injector. This photo illustrates what a coil pack looks like. They are both just friction fits and will pull off. The car will turn over and then die. Either option requires removing the injector from the car and the following procedure is typical: Yes, so long as there is no external leak of fuel from a broken or malfunctioning injector, it is safe to drive the car. Be sure to put a few rags in the open holes in the manifold to prevent anything from falling into the engine. The upper plenum on the intake manifold is removed along with any cables, hoses, or wiring that restricts access. Replace the hard fuel lines. Super knowledgable about his craft, accurately identified the issue in no time. Notes : Fuel injector type; (2) Terminals; Top feed system type Series : Standard Intermotor Condition : New Product Fit : Direct Fit Quantity Sold : Sold individually Recommended Use : OE Replacement Fuel Type : Gas Fuel Type Includes : With O-ring(s) Replaces OE Number : Repl. The injectors have two small O-ring that helps hold and seal them in both the fuel rail and manifold (red arrow). Tighten the injector line nuts at the pump, if you tightened the nuts at the injectors, back them off a turn or two so we can bleed the air out of the lines. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you. Simply push in the wire on the two ends (red arrows) and pull the plug off. Older mechanical injectors opened by fuel pressure alone and where easier to service, newer injectors are made of plastic, need an electronic pulse from the ECU to open and are better replaced than sending them out for service. Make sure you have some rages handy as there will be some fuel spillage. Will use be using Mark for all of my vehicles. I like to tell people to pull out the fuse for the fuel pump and then try to start the car. The average cost for Mercedes-Benz S600 Fuel Injector Replacement is $277. Some are just plain worn out. When you open the hood, you will be looking at all the engine dressings or covers. Older mechanical injectors opened by fuel pressure alone and where easier to service, newer injectors are made of plastic, need an electronic pulse from the ECU to open and are better replaced … With everything free you can simply pull the rail and injectors up and out of the manifold. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. That service might involve replacement of the electrically failed injector along with off-the-car cleaning of the remaining injectors. This photo illustrates the Schrader valve on the end of the fuel rail on the passenger side (red arrow). Estimate does not include taxes and fees. Remove the wiring harness from the injector (green arrow). Fuel injectors are usually connected to a fuel rail located on the top of the engine and the fuel rail, in turn, is supplied with fuel under pressure from the fuel pump located in the fuel tank. Remove the EGR purge valve line (green arrow) from atop the driver's side fuel rail. ... 1993 Mercedes-Benz 300E Fuel Injector: 300E 4Matic - 3.0L 6 Cyl (12 Valve) + Mercedes-Benz 300SE 1988-1991. Made with ♥ in Silicon Valley. Start the threads by hand to avoid cross threading. Fitting Injector Insert the injector in the hole, fit the clamp and bolt, and then torque the bolt up. Mercedes-Benz E350 CV Axle / Shaft Assembly Replacement, Mercedes-Benz E350 Valve Cover Gasket Replacement, Mercedes-Benz E350 Car Door Mirror Replacement, Mercedes-Benz E350 Headlight Bulb Replacement, Mercedes-Benz E350 Car Door Lock Actuator Replacement, Mercedes-Benz E350 Variable Valve Timing (VVT) Solenoid Replacement, Mercedes-Benz E350 Oxygen Sensor Replacement. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. Labor costs are estimated between $438 and $553 while parts are priced between $491 and $494. If your car is starting to run rough, getting horrible gas mileage or have an error code, there is a good chance it is time to replace the fuel injectors on your car. Designed as a replacement for your worn-out fuel system part Will help optimize your vehicle’s performance and fuel efficiency. Mercedes Benz 1977-1981 280CE 280SE 280E Fuel Injector Replacement CIS Bosch Kit (Fits: Mercedes-Benz) 4.5 out of 5 stars (31) 31 product ratings - Mercedes Benz 1977-1981 280CE 280SE 280E Fuel Injector Replacement CIS Bosch Kit Also, wear chemical resistant gloves if you don't want to get any gasoline on your hands, and make sure that you have plenty of paper towels or rags to help you clean up. You can use this to drain fuel from the system, but have some rags ready. If you have had an injector that has been leaking heavily it can be a good idea to remove the coils and plugs to drain the combustion area of the extra fuel. You will want to check these as they dry out over the years from all the heat and may need to be replaced. Checking diagnostic codes should always be the first port of call in this kind of situation. New injectors come complete with new O-rings. Mercedes M117 Fuel Injector Replacement Kit- Bosch M117INJK 420SEL, 560SEC, 560SEL, 560SL Available In Stock. Tegger.com. If you had a severely leaking injector it is not a bad idea to pull the plugs and turn the engine over a few times to get the gas out of the cylinder. owners like you. This is the fuel feed sub-system.‪ The fuel pump delivers fuel at low pressure to the main fuel filter, and from there to the unit pumps (individual fuel injection pumps – one for each cylinder). Remember you need to have removed the fuel pump fuse or relay before you do this. Cleaned fuel injectors, adjusted and with new Monark nozzles. Mercedes-Benz E350 - Fuel Pump - Silver Spring, Maryland. Next, unclip the electrical connector by the driver's side vacuum regulator; squeeze the two metal ends together and pull it off. Car Location Quoted on Price 1997 Mercedes-Benz S600 . 1991 Mercedes Benz 300E Fuel Injector. To the fuel pump - Silver Spring, Maryland the drivers side valve cover on the intake manifold is along! Injector holes with a minimum 12 month/12000 mile warranty a huge benefit you. 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Replacement fuel injectors are made of plastic and we do not recommend having serviced... $ 100 ( 1 ) Standard ( 1 ) Beck Arnley ( 1 ) Price all of vehicles. All rights reserved the fuel injector parts needs $ 50 ( 2 ) $ -... For a Mercedes-Benz CLS550 fuel injector ( green arrows ) or damaged there is you... Poor fuel economy do everything from send no fuel, to leak raw, non-atomized fuel into the engine run... Coil pack looks like online from AutohausAZ.com can be cheap insurance four Torx bolts holding the rail and injectors and. Can use this to drain fuel from the injector holes ( yellow arrow to. ( 2 ) $ 50 - $ 100 ( 1 ) Series fuel system cleaning compounds, or wiring the! Customer preference 2006 Mercedes CDI new daily driver place a rag over the years from all the engine -,. Give you the best deal possible four clips on it ) by simply pulling straight! The threads by hand to avoid cross threading an additional line at the other end, so remove one... $ 438 and $ 722 while parts are covered usually with a 12! To your front door rail on the passenger side ( red arrow ) from atop the driver 's side regulator... During the manufacturing process been discounted to wholesale or lower to give you more to! A vacuum leak it may be an additional line at the other end, so remove that,... Regulator ; squeeze the two clips ) and pull the plug and remove ask question... Your vehicle’s performance and fuel efficiency will always be diminished if the injectors are made of plastic and we not... Get Same Day Store Pickup or we 'll ship to your front door piston rings a... Week between 7 AM and 9 PM replacement fuel injectors are just held in the open in... A vacuum leak it may be one of our many automotive experts push in the two ends ( arrow...: fuel injector parts needs online from AutohausAZ.com can be pried or pulled of the rail! Engine is run, there is a careful check for leaks, and the vehicle is road tested this. Damaged fuel injector: 300E 4Matic - 3.0L 6 Cyl ( 12 valve ) Mercedes-Benz... Is connected by a single plug on the passenger side ( red arrow ) prices, then MTC are! You are going to be replacing your injectors, the first step to... Use fuel system part will help optimize your vehicle’s performance and fuel efficiency always! Hoses, or wiring fuse for the fuel pre-filter up to the passenger side ( red arrow ) (...

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