Combo fuel filter/ pressure regulator won’t fit tight and leaks

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gabsgrammy54
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Combo fuel filter/ pressure regulator won’t fit tight and leaks

Post by gabsgrammy54 » Tue Mar 12, 2019 7:48 am

Trying to install new fuel filter/pressure regulator on 2000 Dodge Neon ES and it won’t fit tight and it leaks. Is there that much variance in sizes that I could have gotten wrong size? Would reinstalling old one to see if it fits and doesn’t leak be a good way to determine that new one is incorrect size?

Professor_Brap
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Location: Central Ohio

Re: Combo fuel filter/ pressure regulator won’t fit tight and leaks

Post by Professor_Brap » Tue Mar 12, 2019 9:12 am

Is the Oring on it ripped?
2001 R/T -Tabbie
1993 Build date Iris Sedan- Tamaryn
1996 Strawberry Sedan- RTVberry
1998 Neon R/T Coupe 2.4 swapped- aR/Tic
bunch of other FWD 80s-90s Mopars.

JeremyJ
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Location: Western WA

Re: Combo fuel filter/ pressure regulator won’t fit tight and leaks

Post by JeremyJ » Tue Mar 12, 2019 4:17 pm

Have you compared the two side by side? I had some slight trouble getting mine to seat properly, but it eventually went in all the way and functions as it should. It's possible you have the wrong part.
2002 Neon base -> 2005 SRT-4 ACR -> 1996 Dodge Neon sedan -> 1999 R/T Coupe -> 2002 R/T -> 2003 SRT-4

Build Thread: https://forum.2gn.org/viewtopic.php?f=51&t=69296

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NickKo
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Re: Combo fuel filter/ pressure regulator won’t fit tight and leaks

Post by NickKo » Tue Mar 12, 2019 9:31 pm

Double-check that the (tiny) little O-ring that goes on the end of the regulator, didn't get stuck up inside the regulator housing bore seat, when you removed the old regulator.
I've seen it happen where that tiny O-ring will come off, remaining stuck inside the regulator seat area.

- Nick
-1998 2-dr SOHC MTX= 52mm TB; Maddog STS
-1999 4-dr DOHC ATX= went to car heaven (junkyard)
-2000 Ply.LX with MTX = Maddog STS; CAI; R/T muffler + Header
-2001 Ddg.ES ATX = UDP, Magnum Header; + Syked PCM 'pending'

-1971 Ply.Scamp SL6cyl. ('Horse Traded' away)
-1968 Chry.300 w/440 V8 (sold)
"MoPar or No Car"

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