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Connect O2 Sensor and Weld Bung

11:29
38:07
46.5K views

At 11:29 in

Budget Turbo Yukon XL "Uncle Rob" Final Assembly! Downpipe Fab & Wastegate Plumbing (Ready to Rip!)

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What happens here

The presenter then connects the previously extended O2 sensor wiring harness, ensuring it's routed appropriately. He mentions that he offered his O2 sensor bung to Ashton (a colleague), realizing he no longer has a steel bung for his own project, only aluminum. He expresses concern about whether the new O2 sensor (from an old exhaust component he harvested) will work, having previously stripped its threads, forcing him to cut it out. This time, he carefully cuts the old O2 sensor out again using a reciprocating saw, showing precise cuts, and notes that a normal wrench can be used to screw it in. He then re-welds the O2 sensor bung onto the downpipe.

Goal: Properly connect the O2 sensor and weld its bung to the downpipe.

Tools and materials

  • O2 Sensor Bung — Mounting the O2 sensor
  • O2 Sensor Wiring Harness — Connecting the O2 sensor
  • Reciprocating Saw Milwaukee — Cutting out the old O2 sensor
  • Welder Fronius MagicWave 2300 — Welding the bung onto the downpipe
  • Welding Helmet Vizor 4000 — Eye protection during welding
  • Welding Rod — Welding the bung

What they say

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you know something i've been saying pretty much since i started working on cars i don't know when the first time i said this was but you're not really working until you're pleading now i'm working is that not the truest thing though like once you draw blood you're in it you're just just in there doing it just getting it done and it feels really good so i'm not saying smash your knuckles on things for fun but like you know get in there and tear it up just like i did to make this downpipe while i wasn't filming it this is the part that goes up at the top um it'll set you know use your imagination this is what it is positioned like um i know that these two pieces are gonna stay where they're at i'm not so sure about the last two i may reorient that a little bit uh i gotta get rid of this ride height travel sensor because the arm's broken anyway it doesn't matter i'll probably just tack these in a couple more spots just leave them that way because the way it sits right now this downpipe uh points at the ground near the transmission which is fine eventually i will finish it to the exhaust but for right now it's just going to stay like this until i can you know really get in there and science it out this is going to do the job just fine that was one of two items on my list for tonight the other one is the o2 sensor extension so we're gonna get at that right now this is the culprit this dingle bobber right here i know the right move is to peel this up but man it looks like this whole thing is wrapped in tape i don't know we'll see i'm gonna shut the camera off get in there and tear it up report back momentarily so literally as soon as i shut the camera off roll back under there a light bulb went off in my head and i thought hey you know what this doesn't need to be here anymore i'll just unclip this and take the whole thing back up through here then i won't have to do that pretty amazing because uh it occurred to me when ashton said when he was doing his truck at some point he had like tanked a speed bump or something and it just had this wire like dangling so he was like oh that's convenient he just picked it up and plugged it right in so how about that not a bad deal at all because it just runs down right over there i can probably unclip it one more time plug it right in without extending anything and then just bundle up the second o2 connector because that one's not going to get used anymore i could just cut it off but you know we're not going to do that guys…

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