Changing a functioning fuel pump - Defender Source
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  #1  
Old February 13th, 2012, 05:24 PM
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Changing a functioning fuel pump

Thanks to some chuckle-head drunk driver, I'm going to be a recent recipient of a new rear-crossmember, gratis. Trucks got 78k on the odo, I haven't looked through all the past maint records yet, but don't think its had a new fuel pump.

Should I change it out even though its working fine while the tank is down to avoid the headache later? I can probably convince the LR body shop guys to let me take the tank for a one day conjugal visit.
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  #2  
Old February 13th, 2012, 09:10 PM
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Tony Fannin
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Change the pump? Probably not. Could go either way. Cut out an access panel in the floor while the tank is dropped. Definitely.
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Old February 13th, 2012, 09:29 PM
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Yea i've seen the access panels, and although I acknowledge that it is a great solution, my rig has been heretofor unmolested, and I would like to keep it that way. I know its one of those instances where it can go tomorrow or in 200k miles, I just saw an opportunity to avoid doing yet again another project by myself with no one to help me, under a truck that I can't raise up more than 4 inches w/o taking it out of my garage.
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Old February 14th, 2012, 10:10 AM
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Robert Dassler
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Yes, change the pump. Average life of an electric fuel pump is 100K miles. It's too easy not to do it now while you have easy access...and it's 17 years old.
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Old February 15th, 2012, 06:52 AM
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Matthew
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Agreed in the change. If your tank is dropped, replace the pump. It much easier than turning the key and not hearing the pump prime. At a minimum, I would clean up all the metal connection to the pump as mine were pretty gnarly in my 94 with 87k mikes and a lot of WVA clay
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Old February 15th, 2012, 07:33 AM
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J. Michael McCaig
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Yes on the pump as well and I would also check the rear suspension ball joint to see if it needs to be replaced while the tank is out of the way.
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Old February 15th, 2012, 12:16 PM
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Yup, change it and keep the old one as a spare.
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Old February 15th, 2012, 12:22 PM
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barry f
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Here's my question. Why bother keeping it as a spare. If the new one fails would you really want to go to the trouble of dripping the tank to put an old one in?
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Old February 15th, 2012, 12:30 PM
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Bill Lewis
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Change. As for the spare, I have done this so many times(don't ask me why, it's too painful to relive), that I can have it out and back in in about an hour. I could trail fix if I had to. I also chose to go with fuel immersible lines from the pump to the external connections to make swapping easier. At his point though, I wish I had put in an external pump
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Old February 15th, 2012, 04:16 PM
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jim pendleton
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Quote:
Originally Posted by bjf View Post
Here's my question. Why bother keeping it as a spare. If the new one fails would you really want to go to the trouble of dripping the tank to put an old one in?
Good logic. But keeping it as a trail or trip spare is a good idea.
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