There is an inexpensive tool they sell in auto stores that will help you with that. It slips in and releases the retaining clips, so the lines can be removed. Be careful the line is under pressure and will squirt a small amount of fuel out of it until pressure drops a rag will catch it well then dry the rag out by lying in out flat until dry as a gas soaked rag in a ball can be combustive.
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you will have to drop the tank and remove the pump unit.
Gasoline? Fuel injected? in the fuel tank
under the driverside door inline with the frame rail you have to get under the car to see it
what fue pressure specs on 2004 chevy 2500 with 6.0 liter engne
A special tool must be purchased at your auto parts store that costs $7.00 to $15.00. Insert tool inside end of fuel line to release multiple clips all at once.
Where is the fuel pressure regulator located on a 1998 Chevy van
It is in the tank.
drop the fuel tank
in the fuel tank.
In 2004 Chevy moved the fuel filter from the frame rail and started putting them inside of the FUEL TANK.
It has an electric fuel pump inside of the fuel tank.