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I am replacing a gas tank in a '94 f-150, how do I replace the fuel sending unit retainer ring?I can't get the fuel lines off the sending unit.


use a flat blade screwdriver

use a flat blade screwdriver and a hammer to drive the ring around to unlock it and remove it, here the service info:

Removal

Remove the fuel tank.
Position fuel tank on a work bench and remove any dirt that has accumulated around the fuel tank sending unit and pump so that it will not enter the fuel tank.
Turn the fuel pump locking retainer ring counterclockwise with Fuel Tank Lock Ring Wrench D84P-9275-A or equivalent and remove fuel pump locking retainer ring.
Remove the fuel tank sending unit and pump from the fuel tank.
Remove seal gasket and discard.
Installation

Clean the fuel pump mounting flange and the fuel tank mounting surface and groove in the fuel pump mounting gasket.
Put a light coating of Premium Long-Life Grease XG-1 C or -K (ESA-M1C75-B) or equivalent grease on a new fuel pump mounting gasket to hold it in place during assembly and install it in the fuel ring groove.
Install fuel tank sending unit and pump carefully to make sure that the fuel filter is not damaged. Be sure that the tabs of the fuel tank sending unit and pump are positioned into slots of the fuel tank. Make sure ring remains in place.
Hold the fuel tank sending unit and pump and fuel pump mounting gasket in place; install and rotate the fuel pump locking retainer ring clockwise until the stop is against the retainer ring tab.
Install fuel tank.

Problem is the sending unit

Problem is the sending unit retaining ring is rotten and needs to be replaced. I am unable to remove the fuel lines from the sending unit to install a new ring.

looks like your going to have

looks like your going to have to clean the quick connectors of dirt and rust to get the push button on the fitting to slide in and release the line.

Thanks, I just got the tool

Thanks, I just got the tool to remove the lines but am still having problems. so yeah, I guess I need to clean them.

gevans39, Stop knockin

gevans39,

Stop knockin yourself out for nothin. I run into this all the time. Cut out the bad piece of line, then splice in a new piece via compression fittings or flare fittings. Don't use rubber and (or) clamps. under pressure they are not gonna hold.

Just unhook the two fuel

Just unhook the two fuel lines by spraying WD-40 into the fittings then twist the lines back and forth to brake the "O" rings loose.
Then push the line towards the tank fuel pipe and while holding it push the disconnect tool into the fitting all the way. While holding the tool in pull the line off the tank. Do this to both lines.


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