fuel pump replacement
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Junior User
Joined: Aug 2001
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fuel pump replacement
It looks like the in-tank pump on the front tank has died. It has voltage at the connector when the key is in the run position, but it isn't pumping. I plan on doing this the hard way and dropping the tank, so any tips would be helpful. Also any advice on where to buy the new pump. Autozone has the complete setup (pump, sending unit, strainer, etc...) for around 100$. I have a Napa, Discount/Advance, and a Pep Boys in my area, but so far have been happy with electrical parts from Autozone. Does anyone know the capacity of the tanks on a dual tank setup, 1989. I think it is 15f/19r, but would like to be sure so I get the right part number.
Thanks
Thanks
Senior User
Joined: Nov 2003
Posts: 149
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From: Illinois
im nto sure the capacity but i basically have the same setup 302 im not sure ifi have an AOD but that dosent matter mien is a 88. my front tank makes a weird *** noise when i flip it to font tank and the fuel gage shoots way up past the full mark on the dask. i can ehre the pump trying to pump and everyhing. the truck will run for about 30 seconds and start to die once i flip it to the front tank btu starts to run again once i flip it the the rear.
hell man i knwo nothing about these tanks or the fuel pumps. i knwo they fit in from the top and connect. besides that i kwno nothing sorry. i woudl recomoend serchign a salvadge yard to see if you can get a cheap pump.
http://www.cardomain.com/memberpage/443162
anthonycutler1@comcast.net
hell man i knwo nothing about these tanks or the fuel pumps. i knwo they fit in from the top and connect. besides that i kwno nothing sorry. i woudl recomoend serchign a salvadge yard to see if you can get a cheap pump.
http://www.cardomain.com/memberpage/443162
anthonycutler1@comcast.net
New User
Joined: Mar 2003
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Just had a ford mech install one for me tonight, .I am too old to get under it and do it myself. My tank is probably a lot like yours, 88 150. It is a long tank .Usually the mid tank is 19 gal. Look and be sure you get the pump to fit the tank opening, 3 5/8" opening. My unit was bad at the outlet and on a ford that is part of the sending unit. if you stick with the original unit, it all comes in one piece.. Installed the original unit, pump and all. Quite expensive from ford. $176. You can just replace the pump on a ford, but figured it was getting old too. Now, he dropped the tank down a little, and removed the rear driveshaft bolts and swung it out of the way. That let the tank come down a lot. It had about 5 gal of gas in it.
Took him about an hour at the most. Guess the clips are tricky to take apart, I would get new ones.
REt good luck
Took him about an hour at the most. Guess the clips are tricky to take apart, I would get new ones.
REt good luck
New User
Joined: Mar 2003
Posts: 24
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Just had a ford mech install one for me tonight, .I am too old to get under it and do it myself. My tank is probably a lot like yours, 88 150. It is a long tank .Usually the mid tank is 19 gal. Look and be sure you get the pump to fit the tank opening, 3 5/8" opening. My unit was bad at the outlet and on a ford that is part of the sending unit. if you stick with the original unit, it all comes in one piece.. Installed the original unit, pump and all. Quite expensive from ford. $176. You can just replace the pump on a ford, but figured it was getting old too. Now, he dropped the tank down a little, and removed the rear driveshaft bolts and swung it out of the way. That let the tank come down a lot. It had about 5 gal of gas in it.
Took him about an hour at the most. Guess the clips are tricky to take apart, I would get new ones.
REt good luck
Took him about an hour at the most. Guess the clips are tricky to take apart, I would get new ones.
REt good luck
Junior User
Joined: Nov 2003
Posts: 67
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Dont Drop the tanks!!!!! UNbolt the bed.... Undo the nuts on the left side of the bed completly and loosen the bolts on the right side. Get a friend to help you tilt the bed and put a 4x4 between the bed and the frame. dont foget to und the filler neck (3 bolts and 1 clamp for each tank) its much easier than dropping the tank
Lead Driver
Joined: Nov 2002
Posts: 9,555
Likes: 40
From: Concord, NC
Each one has its difficulties (dropping tank vs. removing bed). I think the lesser of two evils is dropping the tank (in my personal experience and opinion). I dropped my rear tank a couple years ago to replace the sending unit. The hardest part was disconnecting the hoses and electrical connection, and reconnecting them when I put it back together. Get the tank as empty as you can first. I'm running a NAPA fuel pump, and I have no complaints or problems what so ever. I can't remember how much I paid for it though. Good Luck.
Senior User
Joined: Nov 2003
Posts: 149
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From: Illinois
ok im thinking of just droping my oen tank or having another nutjob mechanic to do this for me. what is the sending unit?
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Junior User
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I need to know the capacity of the center tank. Autozone lists 2 different part numbers, one for a 17 gallon and one for a 19 gallon. I have never been able to squeeze more than 15 gallons in it, but I usually never let it get below 1/4 to 1/8 of a tank. So I am guessing that it is the 17 gallon model, and the 19 is for single tank trucks. Does this sound right? I need to be sure before I order the part.
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Thread Starter
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Junior User
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Autozone lists the same part number for the pump by itself for both 17 and 19 gallon tanks, but the "Master" kit with strainer and sender is listed as two different numbers. I assume that is the difference in the sending units to account for the level of the fuel (float, maybe?). And after reading alot of other posts, I think I will take the bed off, or at least slide it foward far enough to get to the tank. I had just filled it up on the day it died, and I don't want to have to buy a bunch of gas cans and siphon out all that gas.
Thanks
Thanks
Lead Driver
Joined: Nov 2002
Posts: 9,555
Likes: 40
From: Concord, NC
You should have a 19 gallon. The 17's were used in regular cab, short bed configurations. I say go ahead and get the whole sending unit (the entire part that goes into the gas tank) since you are going to have to take it out anyway. I recommend getting one from NAPA because I believe they have higher quality parts than Autozone.
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Anyone have any thoughts on used fuel pumps? There is a salvage yard here in Jacksonville Fl (Rusty Acres) that specializes in Fords. I need a new rear tank (cracked), which I can get from them for a reasonable price, and they have pumps too. Anyone have expericence with this comapny? I usually don't mind used or re-man parts, but due to the degree of difficulty in changing pumps, I am hesitant about buying anything but new. Not that "new" means anything with most auto parts....
Lead Driver
Joined: Nov 2002
Posts: 9,555
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From: Concord, NC
If you have to get a new rear fuel tank, you may as well put a new fuel pump in while you have good access to the tank. The hardest part is dropping the tank, so it's worth it to replace while the tank is out - it beats having to drop it again if the used fuel pump fails soon after you put it back. I got a new pump from NAPA (it was new, not rebuilt) and it has done just fine over the past 2 years or so.
Freshman User
Joined: Jun 2003
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How much less is a used tank or pump? I can't see it being worth not buying new. Check autozone.com or www.partsamerica.com (Advance), etc. for new tank prices. I think they were around $100 or so.
My front pump or check valve or something is bad, so I know what you mean on all this fuel stuff.
My front pump or check valve or something is bad, so I know what you mean on all this fuel stuff.