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Old 09-14-2006, 01:25 PM
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Noisy fuel pump?

I hadn't really noticed until my truck started running very sluggish. I changed the fuel filter (seems to solve 99% of problems with these trucks). Still sluggish.

Fuel pump sounded like hell when I primed it. A buzzing, grinding "zzzt ztt zt zzzzzt zt" sound while it primed.

So we replaced it, and the truck runs great. Pain in the beepbeepbeep job, by the way.

Anyhoo, we sawzall the old pump open and realize it's jammed with dog hair, sand, crap. I guess I need to filter my fuel better. Lesson learned.

In any event, I noticed the new pump, while not as horrible sounding, still makes a lot of noise when priming. Still that zzzt zzzzzt zztttt sound, but not quite as bad.

Maybe I just never noticed that these pumps are noisy bastards? What does yours sound like?
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Old 09-14-2006, 04:15 PM
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there is a prefilter in the sending unit in the tank, im guessing but it could be plugged up as well, causing the pump to work harder than it has to......
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Old 09-14-2006, 05:41 PM
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I was afraid of that. Looks like I'll be dropping the tank after all, eh?

beepbeepbeepbeep.

Any idea what I'm looking at as far as labor hours, etc?

I was hoping to not have to do that, but I guess it makes sense that there's something there before you get to the in line fuel pump. It's probably jammed with the same hair and sand crap. :censord:
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Old 09-14-2006, 05:46 PM
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im not garanteeing that is your problem..the pump might just be noisy....its just a possibility...

As far as dropping the tank, if i was you i would do this...run it so it is resting on empty, as far as you can run it and know you still have enough fuel to get home...then dropp the tank yourself. there are two styles of senders. One has prefilters and a screen, the other just has a screen. Both types can be cleaned if you are carefull. You can easily do this yourself with a floor jack if the tank is very low. If you need any assistance, PM me and i will give you my number and will give ya a hand man.....
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Old 09-14-2006, 06:02 PM
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I figure it would stand to reason that if there was that kind of crap in my in line pump, it probably only got there via the tank. Which means the tank screens probably still have their share of grit and gunk and nonsense. Might as well do it before I have to buy yet another PITA to install pump.

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