18
Apr
If its stock ish there are clips on the injectors that hold it to the rail just take them off swap injectors and install new ones. Also the fuel line that connects to the fuel rail needs to be pulled to the right a little bit to be able to clear.
12remove the injectors from the rail pulling in a straight motion also make sure that the o-rings come off with the injector.
How to remove fuel injectors from rail. Remove the plastic cover from the fuel rail. Using a small flat tip screwdriver or probe disengage the wire clips on the fuel injector electrical connectors plugs and disconnect the plugs. Move the fuel injector wiring harness out of the way.
Using the 10 mm socket remove the fuel rail retaining bolts 4. Normally you leave the injectorsrails bolted to the plenum and remove them as one whole unit. It takes a bit to get them moving as they have been in.
Begin to wiggle the fuel rail back evenly to remove the fuel rail the o-ring is what seals the injectors into the inlet manifold. Once rail is released there is a small black pipe underneath this just pulls off. Take off the small metal plate that locates the injectors on to the fuel rail and remove.
Now you can re fit the new injectors remember to grease the o-rings on both ends carefully before installation. The rail up and remove the rail with the injectors still intact dont drop the injectors. 11remove the insulators from the intake manifold note you cant use the insulators again.
12remove the injectors from the rail pulling in a straight motion also make sure that the o-rings come off with the injector. To install 1Install a new insulator for each of the injector ports in the manifold. Four bolts on top of the intake then pry up the rails up slowly.
If its stock ish there are clips on the injectors that hold it to the rail just take them off swap injectors and install new ones. If you want to remove the rail from the car get a GM fuel line disconnect tool 516 for return and 38 for feed and disconnect the lines on. At this point you will need to pull the fuel rail off of the injectors.
Which wont come out easy it will require some elbow grease. Also the fuel line that connects to the fuel rail needs to be pulled to the right a little bit to be able to clear. Finally its time to remove the injectors.
How to remove fuel injectors - YouTube. I remove the injector rail from the vehicle and set it in a tub to catch cleaner rather than send it through the vehicle. I remove the fuel pump relay and release the pressure to the rail pressurize the OTC cleaning tool to specs for the fuel pressure for the vehicle remove the fuel line to the rail and connect the OTC tool to the rail.
Your fuel system is depressurized. From there you got two bolts that hold the fuel rail to the Intake Manifold. Take those out and then just pull the injectors out.
It takes some effort but theyll pop out. This will leave the fuel rail loose in the engine bay. If you need to completely remove it youll need to disconnect the fuel line.
Examine the injector. If you see a small metal clip that looks like a staple use a small flathead screwdriver to remove or depress the clip. Then while wearing gloves grasp the injector and work back and forth while pulling to remove from the fuel rail.
The injector and rail will drip so. Locate the mounting screws of the fuel rail with the injector you need to remove and unfasten the bolts using a ratchet ratchet extension and socket. Step 4 Carefully lift the fuel rail as you pull the injectors from the intake manifold.
I have done this repair multiple of times what i do is use lady heelfoot bars and use two of them one on each end of the fuel rail and slowly pry back and use the head as leverage. Make sure you replace all the seals. This is a must.
Both high pressure fuel lines under the intakeone time use per gm due to the high pressure they must maintain there is a special tool to remove the. Remove the two fuel rail mounting bolts with a socket wrench and lift out the fuel rail with the injectors still attached. Pull out the fuel injectors and discard the old gaskets.
Use new gaskets and install the new fuel injectors by reversing the removal procedure. Fill the coolant reservoir with coolant of the proper grade and type. 2 Oct 15 2009.
There are 4 10mm nuts holding it to the intake. Get a fuel line removal tool from a parts store to seperate the flexable fuel lines from the fuel rail on top of the supercharger. BE CAREFULL IT IS UNDER PRESSURE AND WILL SPRAY FUEL OUT SO COVER IT WITH A RAG OR LET IT OUT THREW THE SCHARDER VALVE.
A quick step by step - how to remove the fuel rail and replace a bad fuel injector on your Ford F-150 F-250 Explorer Expedition or other vehicle with 54L. Gently rock and pull right side of rail until injectors just start to clear the head. Repeat leftright until all injectors have cleared the head holes.
Remove fuel rail with injectors attached from engine. Disconnect clips that hold fuel injector to the fuel rail. Its always a good idea to replace all the injectors at the same time.
Remove the o-ring from the in-flow fuel rail side of the injector. Connect the tubing to the in-flow side of the fuel injector. Tighten a hose clamp so it doesnt leak.