My 914 has been up on jackstands since December. In that time, I installed the CFR stainless fuel lines and and new fuel hoses (and a bunch of other stuff). I finally finished putting everything back together and took it off the jackstands this afternoon <yay!>.
I then put about 1.5 gallons of gas in it, had my son stand by with a fire extinguisher, and tried to start it up. I started by cycling the key on and off a few times, to allow the pump to prime itself and fill the fuel lines. Then, I heard it -- the disheartening sound of fuel splattering on the floor. <crap!>.
So, back onto stands and start poking around trying to find what was leaking. I was hoping to find a loose clamp or something simple. But, that's not my luck. It turns out the fuel pump is leaking internally -- fuel is coming out through and around the electrical connector.
Any idea what happened? The car was running fine before I jacked it up for its long-deferred maintenance. The pump was out of the car for a few months, could it have dried out internally and something cracked/failed?
And, does anyone have a known-good fuel pump that will fit my '73 1.7 D-Jet? I put a "wanted" ad in the classifieds section, but thought I might as well ask here, while I'm at it.
Or, would y'all recommend getting the rebuilt pump from AA? At $395, it aint cheap. Does anyone have any experience with it? Is it any good.
I know y'all would probably just recommend relocating the pump to the front, but I'd really like to keep the car as original as possible.
If it is the original pump, it will happen eventually.
I purchased an Airtek pump off Amazon for around $70. Also got a fuel gauge to mount on the fuel rail and necessary fittings all for under $100.
I mounted my pump on the firewall cause it was easier to access.
Do a search if you need additional info. You will find a bunch of usuefull threads.
Good luck!
Three prong pumps like to leak. Replaced mine with two prong pump. New ones are easily available. Moved to firewall, much easier than tank.
I like to keep mine stock too. But peace of mind overruled with fire safety concerns. Unless someone climbs under, no one will know.
You best bet is to convert to a two port pump. I found good fuel resistant o-rings to try and seal these pumps, but the pumps are not easy to open and reclose. So resealing becomes a bit of a gamble -- it depends more on your ability to bend the little tabs out of the way, and then retension them after.
And that doesn't even factor in the pressure relief setup which is that small aluminum 'knob' on the side. Those can leak as well and that little cap suffers the same issue with removal/installation.
I consider any used pump to be ready to fail as well. So unless you absolutely need accuracy, converting to a two port will allow you to buy a brand new pump which will last the life of the car.
You don't want the pump in the stock location unless you like sitting on the side of the road waiting for the vapor lock to subside. When the heater is off during the summer all the heat from the passenger heat exchanger dumps directly on the fuel pump
Bosch 2-port is $66 on Amazon.
https://www.amazon.com/gp/product/B000BZL8S2
I think someone mentioned a Volvo pump which has same sized fitting on either end.
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