It's been a while since I've been on the forum and using our rig as well. Financial and personal problems along with my neglect are some problems. I went to start the RV back in April and of course it took a while. It did start and ran but when I tried to start it again it wouldn't I came back a few hours later and after several cranks it started. My neighbor sad fuel pump and I told him that I had it changed once already. My neglect contributed to the problem and also the bad fuel pumps Ford sells. I researched the internet and other forums and suggestions were to replace filter. I did and the problem existed. It started to get way to hot to work on it so I left it alone for a while and decided to call for quotes at various dealers.The first time in 2008 it cost me $1500. Some of the quotes I got now are $800+- One dealer told me $1500 and blatantly admitted that the pumps only last 7-8 years!. I told him that I treat my gas and he said it didn't matter I asked how come so much and he told me the pump is $500 and the rest labor. Another dealer told me the pump is only about $150. I guess I am going to learn how to drop the tank. I have read where it may be possible to cut an access in the floor to be able to get to the pump without dropping the tank. Sorry for the rant.

Fuel pumps don't last forever in any car. A good replacement will last longer than a cheap replacement. Sitting is worse than driving. E10 is worse than pure gas (both increase moisture content of the fuel, which is the true killer)A new Bosch (OEM) fuel pump is $65 from Rock Auto. It shouldn't be more than a 2-hour job for a competent shop. Or you could buy a harbor freight transmission lift and do it in the driveway. If you do cut a hole to make replacements even easier, an bargain-priced pump is $20.FWIW - It seems the Delphi pumps have a shorter life than the Bosch pumps. The airtex pumps sometimes don't work out of the box but cost nearly as much as an OEM unit.

Thanks for the info carringb. I have a motorcycle jack I think would be able to hold the tank. I examined it while I was replacing the filer to see what I need to remove. Looks like 6 bolts and two straps. Then disconnect all electrical and plumbing and replace if needed. I HATE E10. I have had to clean more carbs on my bikes and ATV than I should now I treat everything. Had to clean the carb and tank on my Honda Genny and will probably have to do the RV genny too. $65 beats the hell out of $500. I guess that guy must have been smoking something.

Ron, so .... you're going to try and drop your RV's Ford chassis 55 gallon tank?How you going to empty it first .... and what are you going to empty it into? After you empty it into something, are you going to throw all the gas away, or somehow pump the gas from it's temporary container back into the tank? Of course all this has to be done ultra-safely.The above questions/issues are why I'll raid the piggy tank and have a repair shop do it if/when ever needed. Those issues are also why I recommend putting the best new fuel pump money can buy back in so you never have to do it again.I participated in a another forum discussion about in-tank RV fuel pumps - in which I tried to make the point that truck chassis manufacturers should install dual fuel pumps inside the tanks so that the chance of one failing and letting you down a long ways from home would be zero. Sadly, I didn't get very far with my logic in that discussion.

pnichols. I will pay myself as I am on fixed income. There is only about 10 gallons in the tank and I noticed it has a drain plug. I can drain that easy. Plus it is probably full of water and rust. I was told by one dealer that the check valve is probably stuck and that is why it takes several cranks to start. The failure of the pump back in 08 it wouldn't start at all. I do plan on putting the best pump in as to hopefully resolve this problem. You won't get an argument with me on dual fuel pumps. I have one better. Build to last. I have a 98 Suburban I run rarely and when I do it starts right up. Ford Fix Or Repair Daily!

FWIW - I went with the Denso fuel pump, which is a little more than the Delphi and Bosch pumps. Denso (Toyota parts division) makes some pretty good electronics, and so far its been working out great. I did it around 360,000 preventively. We also put the same pump in my brother's Expedition, which did fail in the driveway, but its sits most of the time since its dedicated to towing the boat.

Ford Fuel pump rant | Good Sam Community

carringb
Explorer
Jul 08, 2015
Fuel pumps don't last forever in any car. A good replacement will last longer than a cheap replacement. Sitting is worse than driving. E10 is worse than pure gas (both increase moisture content of the fuel, which is the true killer)

A new Bosch (OEM) fuel pump is $65 from Rock Auto. It shouldn't be more than a 2-hour job for a competent shop. Or you could buy a harbor freight transmission lift and do it in the driveway. If you do cut a hole to make replacements even easier, an bargain-priced pump is $20.

FWIW - It seems the Delphi pumps have a shorter life than the Bosch pumps. The airtex pumps sometimes don't work out of the box but cost nearly as much as an OEM unit.
ronaz01
Explorer
Jul 08, 2015
Thanks for the info carringb. I have a motorcycle jack I think would be able to hold the tank. I examined it while I was replacing the filer to see what I need to remove. Looks like 6 bolts and two straps. Then disconnect all electrical and plumbing and replace if needed. I HATE E10. I have had to clean more carbs on my bikes and ATV than I should now I treat everything. Had to clean the carb and tank on my Honda Genny and will probably have to do the RV genny too. $65 beats the hell out of $500. I guess that guy must have been smoking something.
pnichols
Explorer II
Jul 08, 2015
Ron, so .... you're going to try and drop your RV's Ford chassis 55 gallon tank?

How you going to empty it first .... and what are you going to empty it into? After you empty it into something, are you going to throw all the gas away, or somehow pump the gas from it's temporary container back into the tank? Of course all this has to be done ultra-safely.

The above questions/issues are why I'll raid the piggy tank and have a repair shop do it if/when ever needed. Those issues are also why I recommend putting the best new fuel pump money can buy back in so you never have to do it again.

I participated in a another forum discussion about in-tank RV fuel pumps - in which I tried to make the point that truck chassis manufacturers should install dual fuel pumps inside the tanks so that the chance of one failing and letting you down a long ways from home would be zero. Sadly, I didn't get very far with my logic in that discussion.
ronaz01
Explorer
Jul 08, 2015
pnichols. I will pay myself as I am on fixed income. There is only about 10 gallons in the tank and I noticed it has a drain plug. I can drain that easy. Plus it is probably full of water and rust. I was told by one dealer that the check valve is probably stuck and that is why it takes several cranks to start. The failure of the pump back in 08 it wouldn't start at all. I do plan on putting the best pump in as to hopefully resolve this problem. You won't get an argument with me on dual fuel pumps. I have one better. Build to last. I have a 98 Suburban I run rarely and when I do it starts right up. Ford Fix Or Repair Daily!
carringb
Explorer
Jul 08, 2015
FWIW - I went with the Denso fuel pump, which is a little more than the Delphi and Bosch pumps. Denso (Toyota parts division) makes some pretty good electronics, and so far its been working out great. I did it around 360,000 preventively. We also put the same pump in my brother's Expedition, which did fail in the driveway, but its sits most of the time since its dedicated to towing the boat.
K_Charles
Explorer
Jul 08, 2015
My F150 has 195,??? miles and my X has 182,??? and both have factory fuel pumps. Don't run the tank down to empty and don't run with a plugged fuel filter and a ford fuel pump will last a long time.
azrving
Explorer
Jul 08, 2015
Most later model engines will have a schrader valve test port to screw on a fuel pressure gauge. If the tank needs to be dropped and the pump runs at all, remove the schrader valve and install a hose on the fitting, remove the pump relay and use a jumper wire to power the pump and fill some 5 gallon jugs or give it to your buddies. It's not too difficult a job IF the tank is empty. Depending on how involved you want to get, some pumps can be repaired with a pump motor unit instead of the complete cartridge. Be careful or you will be on the news.
klutchdust
Explorer II
Jul 08, 2015
My GM fuel pump went 275,000 miles. Low fuel in the tank adds to the failure as the fuel keeps the pump cool. I cut a hole in the floor of my K-5 Blazer and replaced the pump in two hours including

repairing the floor. In your case dropping the tank and having it cleaned sounds like a good idea. I know this, if your car/truck fuel pump fails, have someone crank the engine and someone bang the tank

with a rubber mallet or wood and the vehicle usually will start one more time, possibly two to get you home or to a safe place, just don't shut it off. This comes from a AAA guy that has done it many times.
midnightsadie
Explorer II
Jul 08, 2015
if E 10 is the problem? why buy it?? be safe and if I was close I,d help , if mine I,d do it myself . that jack should do the job.
ronaz01
Explorer
Jul 08, 2015
midnightsadie wrote:
if E 10 is the problem? why buy it?? be safe and if I was close I,d help , if mine I,d do it myself . that jack should do the job.

Don't have a choice. It's in all the gas stations. And now the Gov't wants to increase to 15%.

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