Fuel Pump Assembly Broke

cv129

No like!

Phunk FTW!

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DOOMMONKEY777

had mine replaced around 21k miles under warranty, yeah its a common issue with nissans

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Tractionless

Wishful thinking on the concept by Nissan that has failed many of us time and time again. With 10 gallons in the tank and going around a sweeping right hander on the street with luggage in the car I fuel starved thus losing suction from the LHS of the tank anyway.

I've found the Holley Hydramat 11mm fuel pump pickup sock will fit on our OE pump inlets (11.3mm); however, haven't put it to practice yet. Hopefully will fix the issue with the least time/money investment for a street only car.

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phunk

It won’t change anything. When slosh starvation occurs it’s because the fuel has sloshed to the left side of the tank. The hydramat will still be in the wrong place in relation to the fuel it’s seeking. It will attach to the pump though, as long as you cut openings in the canister to allow it to fit. But unfortunately it’s not going to to be worth any time or money. To fix the right turn slosh starvation you need to either contain the fuel from sloshing, increase your ability to recover fuel when it does slosh, or get a pickup in the area where it’s sloshing to. A hydramat in the stock fuel pump location won’t be able to address any of this.

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cgr406

Well, I’ve screwed the pooch. I was reassembling my fuel pump assembly & I managed to drop it. One of the locking tabs on the pump housing / filter assembly (that retains it in the outer canister) broke off. Other than just searching on-line, does anyone have one laying around or have any suggestions as to where I can purchase a replacement pump housing / filter assembly?

Attached Images

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Tractionless

I may give a try considering the hydramat pickup is much larger than OE and it retains fuel within, whereas the OE does not. Maybe in the street environment it will give enough time for the fuel to slosh back.

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Jayhovah

Interested to see how it works for you, though it might be hard to quantify the results.

I think the easiest fix for a street car is just to fill up early and often, but who has the discipline for that?

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phunk

We have a more basic starvation fix in the works but it wont begin to materialize until after we release the new 350z twin pump. Which means its a ways out, probably summer time.

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fayez911

you could find 370z fuel pump on eBay, some of the sellers could give you a life time warranty with an extra money you would pay, I guess I might buy one of these as my fuel pump is giving me an incorrect reading.

Tractionless

Buy new OEM only from Ebay or elsewhere. Used part Ebay sellers will just change their username and leave you hanging on the warranty. The dealers that give discounts to forum members aren't always the least expensive source.

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RumbleFish

Just had my fuel pump go out on my 2010.

Fortunately, I found this OEM Aisan @ Parts Geek
https://www.partsgeek.com/catalog/20...fuel_pump.html

$173 for 2010-2015, $207 for 2016+ (from what I could tell)

My local mech. couldn't get one from his dealers for less than $550!

He was blown away, says it's the exact same as the oem from Nissan.

While I didn't do the job myself, I understand this can be done fairly easily if you have the work space and proper tools. (there's even Youtube vids)

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JSON

So my fuel pump is also just hanging around, connected by wires, because the studs broke. Should I just replace the entire assembly with the Aisan? Or are people normally just replacing the top hat (from the quick read, the pump attaches directly to it?)

Spooler

Get the billet tophat from CJ Motorsports.

phunk

Advantage to replacing the entire fuel pump assembly is that you will get a fresh filter in there. They are molded into the plastic housing and cannot be replaced without getting the entire new assembly. So it depends on your odometer reading I would say. If you are getting up there mileage you may want to replace the entire thing or even do both if you dont want it to happen again.

If you do replace it, highly recommended that you do stick with an original Aisan unit. I believe ConceptZ has the lowest prices on them.

billet hat link if needed:
https://cj-motorsports.com/products/...-pump-hat-370z

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