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Install AN Fittings onto Transmission

6:15
42:57
43.7K views

At 6:15 in

Budget Turbo Yukon XL 4L80 Conversion: AN Line Conversion! Best Transmission Cooler Line Upgrade

What happens here

Carefully thread the long AN fitting into the rear transmission cooler port and the short AN fitting into the front port. The video emphasizes that the o-rings will create the seal, so overtightening the threads is unnecessary and could cause damage. The installer uses a standard wrench for this, noting that specialized AN wrenches are ideal but not strictly required if careful.

Goal: Securely attach new AN fittings to the transmission.

Tools and materials

  • AN Conversion Fittings ICT Billet — The new fittings being installed
  • Wrench — Tightening the AN fittings

What they say

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they're using some good old-fashioned ant lines yeah we'll start with this back one the back one goes in the back do you think i need to repeat that the back one goes in the back yeah no way i don't know that's pretty tough someone might mess this up long one goes in the back short one goes in the front remember that yep these fittings these fittings are like a mullet party in the back long in the back party in the back yep unless you got a four-wheel drive truck then you're just business all the way around or party all the way around depending how you want to look at things yeah does anybody else have a really bad habit of i like to picture baby jesus in a tuxedo what is it what does he say like because because you know like he's classy but he's here to party or something like that somebody fill that in okay we'll fill up the other one up in here actually before i stick this in there i'm going to figure out what size the wrench is to put it on i kind of finagled a three-quarter inch over the old fittings these ones may be similar yep that'll do these are your three-quarter size are you having fun on your throne yeah does anybody else have a bad habit of just tearing the crap out of your fingers to tighten things instead of just getting wrench when you should because you just like got to use your fingers i don't know yeah i don't know i just like if my hand's already in there i'm just gonna do it all right so i'm gonna use the ratcheting side of this just because i can we don't want to make these super duper tight the o-ring is going to make the seal not the threads so we don't have to be concerned about that does that help you yeah so i felt it kind of bottom out and i'm just going to give it a little bit a little bit more so i felt it get get snug and then i don't know i didn't even give it an extra half a turn because once once that base is contacted then the o-ring should be making the seal it's not pipe thread so it's not tapered it's all in the o-ring the cooler is already on here this is a cooler from

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