Arey558

Hey i just ordered the #703 fuel injectors to put in my 95 and i had a question about the O rings. Do i need to replace the current O rings in my rig when i replace the injectors and if i do is there a certain O ring to get? I'm new to this so I'm just trying to clarify

troy fritz

Allways replace o-rings when replacing injectors.They are like $8.The new injectors should come with them.

Arey558

I just ordered them used and they don't come with them. So do i get specific O rings for 703 injectors when i buy them?

troy fritz

Yes.Or you can take one of the old ones to AZ and they will get the ones you need.

FourWinds

Yep... replace the O-rings while you're at it.

je4reyk

Try going through summit racing ,that's were I'm going to get mine ,they are like six bucks for all 12 + shipping

rich

Just go to the auto parts store and ask for fuel injector O-rings they are all the same as far as jeep says make sure to lube the O-rings with vasoline before you try to put them in the manifold ,and the fuel rail g/l Arey558

FourWinds

any lubricant will do... oil or atf work just fine, too... just don't put em in dry...

Arey558

thanks guys i should get my injectors in the mail soon and i went to autozone and they have the O rings i need. Btw thanks for letting me know i needed 12, i honestly didnt know that lol

truckntractorhick

yup one on each side!

$800XJCherokee

I just pulled out my injectors on my 4.0 yesterday.I picked up the new rings from napa. The bottom s matched up but the uppers were the same size as the lowers and they didnt fit. I had to reuse the old uppers so take them off carefully just incase you run into the same problem. Tripple check for leAKS WHEN YOU ARE DONE BECAUSE YOU WILL LOOSE THE JEEP TO A FIRE IF YOU DON'T. I used motor oil to lube it and wiggle them back in. once i started it I had a drip until the car heated up and the tops finally sealed up. I got 177,000 on mine and i couldnt believe the build up in there. Im suprised it was running at all. What a difference it made when i was done. Even soaking the old injector tips overnight and blowing out the fuel rail made her run great. Good luck.

Arey558

What's the best way to clean out my fuel rail?

truckntractorhick

i did it yesterday! i took all the injectors off and scrubbed the rail with steel wool and soaked the injectors in injector cleaner!