anyone ever replaced the combustion seal on an injector?

[rs4-380]

Injector came out with my lower manifold. The consensus seems to be that you need to replaced the combustion seals. Etka shows some drawn out process with a couple of specific tools. Are the tools that important or can I jsut cut the old one off, slip the new one on and stick it back in?

[iamshayan]

Injector came out with my lower manifold. The consensus seems to be that you need to replaced the combustion seals. Etka shows some drawn out process with a couple of specific tools. Are the tools that important or can I jsut cut the old one off, slip the new one on and stick it back in?You can cut the old one off. But the new one won't slip on as it's undersized. The install kit is like a couple of cone ended cylinders that expand the Teflon seal so I can slip on. Can you bring the injector to the dealership / indie shop and ask them to do it for you?

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[theweebabyseamus]

I did. I forced it on the injector and once it got in the channel it sits in I tightened a zip tie around it and gingerly used some needle nose to go around repeatedly squeezing the zip tie to compress the seal. It went into the head with a light amount of tension and has been fine since.

Edit: I may have used the tip of a pen (recommended by a tech at my local dealer) to expand it gradually. Can’t recall.