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HOW TO DISCONECT THE FUEL PUMP , THE HOSES - 1999 GMC Suburban

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On the end of the fuel lines where it plugs into the fuel pump, there is a little plastic clip in the end of the hose squees the clips together and pull out fuel line from pump, do the same with other one

Posted on Jun 04, 2010

  • Alexander Mimun
    Alexander Mimun Jun 04, 2010

    Save the clip's you will need them again. one is also bigger then the other.

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Posted on Jan 02, 2017

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.After checking supply power to fuse and relay is working,also check the ASD relay is clicking when you turn on the ignition switch to run.check to see if power is getting to your pump before replacing it.if all is in working condition then you Release the fuel pressure at the engine. Remove your back seat. Disconect your fuel lines and electrical connections. unbolt the screws in the cover. get some rags so if you spill, it wont stay in your car.do not use a light bulb drop light near this pump one drop of fuel and poff its all over. remove the unit and take it to a well ventilated area. carfully remove the pick up filter disconect wires making sure you knote + & - wire positions. disconnect hoses, replace pump. before you reinstall make sure the inside of your tank is cleaned of forien material.Wetvac works good just remove filter. then re asemble before youlock it down have some one turn the key to run to make sure it comes on and also check for leaks. HOPE THIS HELPS Joe

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jack from the back and sit on stands then place the jack under the tank loosen and remove the tank straps, lower the jack alittle and disconect all hoses vapor lines and wireing plugs when your done doing that you can then pull out the gas tank you then replace your pump and filter cleaning the tank is also recomended then you just put everything on the way it came off

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I need to replace my fuel pump for my 2004 bmw 325ci coupe and cant find where it is located. where is my fuel pump located?


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Where is the fuel pump


The fuel pump is located inside the fuel tank. You will have to pull the tank, so get out any esscess fuel you can. Undo the battery, red cable first, Jack up the rear of the car and support it on jack stands high enough to pull the tank down and out the rear. Disconect any rubber hangers at the rear of the exhaust. Disconect the filler hoses from the tank. Disconect the fuel lines, you may have to have a special tool to dosconect the fuel lines, ck at your local parts store for any you may need. Support the tank with a floor jack and remove the retaining bolts/straps. Lower the tank and disconect any wiring from the sending/pump location. Pull the tank down and out the rear. The fuel pump is held in with a loc-ring, you can use a screw driver to turn half way to remove, then the assy. will come out. this is a 2 person job on the ground, and be careful.

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2 Answers

Fuelpumpreplacementguide.


To replace the fuel pump the fuel tank must be removed, this requires the car be jacked off the ground as far as poss and put on safety stands (always use safety stands!!), the filler neck is then disconnected and then the steel straps tha retain the tank into the car are undone (each has a nut), then the tank is lowered on a jack until u can get to the electrical connectors and the fuel lines and vapor lines, a special tool may be required to remove the fuel pressure and return line, trhe pump assembly is held into the tank by a twist out retainer ring, reverse to install pump and tank back into the car, this is a 2 person job on the ground, be careful, even a small spark from a tool and u are toast.

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