Fuel Pump problems? (Full Version)

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Fuel Pump problems?

  

twillis -> Fuel Pump problems? (4/19/2008 8:06:59 PM)

Hello all,
I am brand new to the forum and seeking technical advice.  I have a 2000 Chevy Tahoe, new body style, 5.3L.  It started running very poorly a couple of weeks ago and finially died yesterday.   Fuel pressure when I first checked today was 20.  I removed the fuel filter and it was very clogged.  I replaced with a new filter, the pressure barely registered 5 after the change.  I am fairly certain that the fuel pump is shot.  I have a full tank of fuel.  I was going to drop the tank and replace the pump.  I want to remove some fuel from the full tank, but cannot seem to siphon.  I can't get a hose to reach the fuel.  Any advice?

  
shawnvw -> RE: Fuel Pump problems? (4/19/2008 9:25:53 PM)

There is probably a check ball to prevent siphoning, and fuel spillage in a rollover. If the pump will if still working a bit, pull the hose off your fuel filter again, put it into a bucket, and cross over the fuel pump relay to activate the fuel pump constantly

twillis -> RE: Fuel Pump problems? (4/19/2008 9:37:50 PM)

Thanks Shawn.  I will give that a try in the morning.
Tom

hquick -> RE: Fuel Pump problems? (4/25/2008 3:38:47 AM)

I don't like your chances. Sometimes you can get the pump running by hitting the tank with a rubber mallet whilst someone else turns the key.
I have replaced mine twice now (last week with a Walbro high vol/pressure pump).
My tank holds 40gal's [:o]
There should be no 'check ball' so you should be able to get a hose into it. Maybe due to the shape of the filler it's difficult?

  

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