Fuel injector leak question

[BullittAndy]

While driving tonight i smelled gas and pulled over and discovered a fuel injector leaking just under the fuel rail. When I wiggled the rail it sprayed gas out in a neat stream. While waiting on a tow I decided to twist/spin the injector around and when I started the car-no more leak!

I was happy that I fixed it but now I'm wondering-did I fix anything or just make it the 2 miles home without a leak? I know the smart thing would be to replace the o rings but could I have gotten lucky. the motor has been apart so the injectors are not stock and have been apart.

what do you guys think?

 

[jrichker]

What I think is that you are driving a fire bomb waiting to go off.

Fuel injector seal kits with 2 O rings and a pintle cap (Borg-Warner P/N 274081) are available at Pep Boys auto parts. Cost is about $2.74 per kit.. The following are listed at the Borg-Warner site ( http://www.borg-warner.com ) as being resellers of Borg-Warner parts:

http://www.partsplus.com/ or http://www.autovalue.com/ or http://www.pepboys.com/ or http://www.federatedautoparts.com/

Most of the links above have store locators for find a store in your area.

Use motor oil on the O rings when you re-assemble them & everything will slide into place. The gasoline will wash away any excess oil that gets in the wrong places and it will burn up in the combustion chamber.

The pintle caps fit either injectors with a pin sticking out the injector end or 4 with more tiny holes in the injector end
The pintle caps hold the O ring in place and keep it from sliding off and into the manifold. If the correct pintle caps are used, they do not have any effect on the injector spray pattern.


Heating the pintle caps in boiling water makes it much easier to install them.

 

[Daggar]

Pull the rails, replace the caps and o-rings on ALL of your injectors. Use a very thin layer of dielectric grease on the new o-rings prior to installation.

Kits available at most of the larger parts stores. They're a couple bucks a piece.

I'd bet that someone will even come through with a part number before too long.


Damn.... that's twice Jr beat me to the draw. LOL I must be getting old.

 

[BullittAndy]

I just found the problem, the metal mounting tab on the fuel rail is broken allowing the entire rail to move back and forth, looks like I'll be replacing that.

 

[BlownFiveLiter]

DO NOT DRIVE THE CAR UNTIL YOU FIX IT!!!! Don't even start it.

Refer to this thread for why it's an extremely bad idea to do so without fixing it first.

 

[BullittAndy]

Yep, that was almost me. I pulled over when I smelled the gas and discovered the leak. I twisted the fuel injector and it stopped leaking. I did drive it about one mile home (I know, I know).

After reading some threads I discovered the broken tab. I fabricated some brackets to hold the fuel rail down and it is now leak free-even while wiggling the rail.

The bracket is now tighter than with the facotry tabs so the problem is solved.

Thanks Stangnet!