BigTDogg MA Posted January 11, 2022 Share Posted January 11, 2022 Hey gang, loooong time since I've been active here, but I know where to go when I do have a question I'm replacing my knock sensor soon, and I'm attempting to do it without removing my throttle body. I would like to replace hoses which are under the IC down in that area since I'm in there. Does anyone have a list of the hoses in there that I should replace? I'm thinking #29, maybe #21 and #22? Any other tips or tricks I should know about this job? I've got long needle nose pliers, bunch of extensions and wobbles, magnetic wands etc and I'm mechanically inclined with the vocabulary of a sailor. Link to comment Share on other sites More sharing options...
silverton Posted January 11, 2022 Share Posted January 11, 2022 Only the intercooler needs to be removed to gain access to the knock sensor, so unless you see any of the hoses in there leaking, I would leave them alone. knock sensor torque is 24nm, be sure to clock it the same direction as the one you remove. Link to comment Share on other sites More sharing options...
VespaGTS Posted January 11, 2022 Share Posted January 11, 2022 I replaced all my vacuum lines. It’s a project. Some easily cracked during removal. Also zip tie them in place. I found this image to be helpful when I installed my EBCS. At least to figure out where they are. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
BigTDogg MA Posted January 12, 2022 Author Share Posted January 12, 2022 Can the PCV assembly be replaced with the IC off? I just checked and mine is 110k miles old :-/ Link to comment Share on other sites More sharing options...
Infosecdad Posted January 12, 2022 Share Posted January 12, 2022 Can the PCV assembly be replaced with the IC off? I just checked and mine is 110k miles old :-/ Yes, it's a bit tight, but doable; I've done it a couple times. I would get the whole PCV assembly of hoses as they are heading toward porcelain status... Link to comment Share on other sites More sharing options...
whitexc Posted January 12, 2022 Share Posted January 12, 2022 I agree. It's not the easiest but very do-able with the TMIC out of the way. I would go OEM but there are aftermarket parts available and you get the whole setup. Sent from my SM-G996U using Tapatalk Link to comment Share on other sites More sharing options...
BigTDogg MA Posted January 13, 2022 Author Share Posted January 13, 2022 PCV Hose kit for the 2005 Legacy GT is 11815AB790, Correct? Thanks gang! Link to comment Share on other sites More sharing options...
Infosecdad Posted January 13, 2022 Share Posted January 13, 2022 PCV Hose kit for the 2005 Legacy GT is 11815AB790, Correct? Thanks gang! Yep, that's what https://parts.subaru.com/p/49223720/11815AB790.html says. Link to comment Share on other sites More sharing options...
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