Perform Engine Blow-By Test

cold. And on big rigs, this is a mandatory step. On a truck like that, it's the engine blowby. So what you want to do is you want to pull that cap. Let's show them what we're like to do it. Yep. I'll start the truck and then I pull the cap. And what you do is you take the cap on and we're not on level ground. So, and you usually see the cap bouncing around, you know, or you'll see actual smoke coming out of there. Come past it. Like this one does have a little bit of it because it had the PCV valve on there for a long time and I was plugged up and it ruined it, you know, and that's some of the stuff that they put on these trucks that ruin it. And they never had anything in the service record for replace this filter at x amount of miles and it's you have to replace it. It's not a serviceable filter. And it got plugged up with oil and it wasn't letting pressure out of the system and it created blowby in this engine and now it's totally gone and out of there. Got rid of it. The blowby? No, the the crankcase ventilation. The crankcase ventil. Okay. Yeah. This truck also has 150,000 miles on it, so it's it's getting up there in age. Okay. Um, we've got the hood open. Is there anything else in the engine compartment that you look for besides listening to it? No. Uh, other than just checking the