Author Topic: Leak from the fuel rail?  (Read 3919 times)

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Offline TRICKSIXPA

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Leak from the fuel rail?
« on: March 29 2012, 06:05:24 PM »
So got done putting my engine back together on my WE4 hook up the battery today to set the TPS, so I turn the key to the accessory position. Smell fuel and the #2 injector is wet. Looks like it's leaking from atop it. I put 42lb injectors in cause the stock injectors were falling apart when I removed them. The 42 are used but the Orings looked pretty good. Used some vasoline to seat the injectors in the cup. Before I rip the rail off what should I be looking for so I can get this fixed. Thanks
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Offline ULYCYC

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Re: Leak from the fuel rail?
« Reply #1 on: March 29 2012, 06:17:40 PM »
Before we make a 10 page guessing game just pull out the injector and check the O ring. I would not install used injectors without a new O ring set on all..
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Offline Steve Wood

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Re: Leak from the fuel rail?
« Reply #2 on: March 29 2012, 06:17:52 PM »
bad 0 ring
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Offline SuperSix

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Re: Leak from the fuel rail?
« Reply #3 on: March 29 2012, 07:24:16 PM »
Did you use any lube putting the rail on?
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Offline gbsean

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Re: Leak from the fuel rail?
« Reply #4 on: March 29 2012, 08:37:53 PM »
what happened to my post about o-rings

Offline TRICKSIXPA

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Re: Leak from the fuel rail?
« Reply #5 on: March 30 2012, 08:45:20 AM »
Would the Orings be the same size as the stock injectors? I know the OD would be what about ID.
Yes the O rings were hit with a little bit of Vasoline when I installed them. I'll let you guys know what I find this weekend when I pull them off. 
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Offline SuperSix

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Re: Leak from the fuel rail?
« Reply #6 on: March 30 2012, 08:47:53 AM »
Would the Orings be the same size as the stock injectors? I know the OD would be what about ID.
Yes the O rings were hit with a little bit of Vasoline when I installed them. I'll let you guys know what I find this weekend when I pull them off.

Yes - they are the same as stock.

Let us know what happens!
'87 GN, 60lb, TA49, THDP, FTP cam, T+ lots o' shit - SOLD
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Offline TRICKSIXPA

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Re: Leak from the fuel rail?
« Reply #7 on: April 01 2012, 09:53:38 PM »
Well I pulled my fuel rail today and saw a chunk missing from the O ring. Apparrently this happened while the O ring was in the cup. The piece of rubber that was shaved off fell out. I ordered a Oring kit from GM it was only $15.00 comes with all the Orings for the Injectors and the FP regulator.
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Offline $1987 GN$

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Re: Leak from the fuel rail?
« Reply #8 on: April 01 2012, 10:34:13 PM »
The Ford dealers have them in stock and about 60 cents each iirc. If you have to wait long.


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