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Fuel Pump Assembly Broke

Took off the fuel pump assembly only to find out the reason why the Z wont start... the assembly was literally just hanging off.. is this a common issue where

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Old 12-10-2018, 07:24 PM   #1 (permalink)
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Default Fuel Pump Assembly Broke

Took off the fuel pump assembly only to find out the reason why the Z wont start... the assembly was literally just hanging off.. is this a common issue where the fuel pump assembly just breaks off??
I drive my car fairly normal, no track.. 09 370z 100k miles

Was wondering if I should try to DIY fix it or just find a replacement fuel pump assembly.
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Old 12-10-2018, 07:27 PM   #2 (permalink)
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Originally Posted by stealth23 View Post
Took off the fuel pump assembly only to find out the reason why the Z wont start... the assembly was literally just hanging off.. is this a common issue where the fuel pump assembly just breaks off??
I drive my car fairly normal, spirited driving no track.. 09 370z 100k miles

Was wondering if I should try to DIY fix it or just find a replacement fuel pump assembly.
It broke away from the top Hat....you can get a billet Hat from CJM Motorsports & those metal rods will push into the hat & be anchored in by set screws
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Old 12-10-2018, 07:31 PM   #3 (permalink)
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Normally you would heat those plastic tits up with a heat gun & pull the rods out,,,they have a small nipple on them. I haven’t seen one break off before; unless someone has mishandled it in the past
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Old 12-10-2018, 07:37 PM   #4 (permalink)
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Screenshot of hat.
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Old 12-10-2018, 07:51 PM   #5 (permalink)
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Others will chime in & help,,,as that bottom piece is a basket for the fuel pump & filter assembly to sit in. It unclips from the housing. There’s a strainer on the bottom of the pump & notice the fuel line does a 180* from the pump....as it pipes back down through a built in paper filter & then up to the top.
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Old 12-10-2018, 07:57 PM   #6 (permalink)
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Old 12-10-2018, 08:07 PM   #7 (permalink)
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WoW...there’s the billet Hat...with a modified pump assembly
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Old 12-10-2018, 09:21 PM   #8 (permalink)
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Yup, I had the exact same failure. The CJM hat is a nice piece. You do have to cut off the factory wiring harness connector and replace it with one that comes with the hat.
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Old 12-10-2018, 09:33 PM   #9 (permalink)
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This failure is starting to become more common. phunk is ahead of the curve on this.
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Old 12-11-2018, 04:58 AM   #10 (permalink)
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Unsure how long the oem paper filter last (before stopping up) others may know. You may be able to install a new one (in tank) without adding a new fuel line & making a return system,,,as the oem internally regulates fuel pressure & uses bypass pressure to work a venturi to pull fuel from the other side of tank...that’s the other hose you will see in tank that crosses over...”Phunk” is the owner of CJM Motorsports & he should be able to answer all questions....but his setup is definitely better than OE
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Old 12-11-2018, 08:11 AM   #11 (permalink)
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Originally Posted by jchammond View Post
Unsure how long the oem paper filter last (before stopping up) others may know. You may be able to install a new one (in tank) without adding a new fuel line & making a return system,,,as the oem internally regulates fuel pressure & uses bypass pressure to work a venturi to pull fuel from the other side of tank...that’s the other hose you will see in tank that crosses over...”Phunk” is the owner of CJM Motorsports & he should be able to answer all questions....but his setup is definitely better than OE
All the OP needs is a CJM top hat.
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Old 12-11-2018, 01:13 PM   #12 (permalink)
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I have the blue version looks nicer
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Old 12-11-2018, 04:43 PM   #13 (permalink)
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I have the blue version looks nicer
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Old 12-11-2018, 07:22 PM   #14 (permalink)
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At least he can probably see the threads of the AN fittings being screwed together,,,gotta have a dang good light with everything black
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Old 12-14-2018, 06:58 PM   #15 (permalink)
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I appreciate all the referrals from you guys.

Current production runs are bright black with laser white logo. As of 2 weeks ago, the stock type install kit include a swivel bulkhead fitting that can freely spin around (other than when it contacts the plugs of the unused holes). Hoping to update the website to reflect this sooner than later.
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