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Hard fuel lines on top of my intake manifold are leaking?

Tiny
ETHAN ESTEP
  • MEMBER
  • 1998 GMC C1500
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
I have a 1998 GMC Sierra, and my hard fuel lines on top of my intake manifold are leaking, I’ve read that they’re supposed to have o-rings on them, I can’t find anywhere an o ring would sit. I’m wondering what it should look like.
Tuesday, August 30th, 2022 AT 4:32 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,878 POSTS
Can you upload a picture of what part is leaking? I assume it is the fuel lines going into the fuel injector spider which is common. Here is how to replace the O rings on the fuel line in the images below.
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Wednesday, August 31st, 2022 AT 7:20 AM

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