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OEM Throttle body hose vs AVO Throttle body hose??


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  • 1 year later...
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How precisely does the TB hose need to line up on the TB?

 

I installed the TB hose onto the TMIC first then slid it onto the TB. It seemed to be lined up just right to slide on without any fuss. I tightened up the clamps but it still seems to be leaking air from somewhere around the TB.

 

I have removed the donut from the TB end of the hose a few months ago because it was in rough shape and was causing a leak.

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  • 1 year later...
Bumping this thread as my car started to make this noise today and the first thing I said was it sounds like a balloon letting air out... Google searched and came acrossed this thread. I checked everything and so far nothing seems out of place or loose. Hopefully it's a simple fix! Car runs fine just makes this crazy noise when building boost

03 WRB WRX (RIP)

04 JBP STI (sold)

07 DGM Legacy GT (RIP)

12 OBP STI (DD)

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You may want to think about doing a vacuum/boost leak test.

 

Do you know how to do that ?

 

Are you still running the OEM tmic ?

305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD).  CHECK your oil, these cars use it.

 

Engine Build - Click Here

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  • 2 weeks later...

I pulled the boots off the end of my OEM hose and used t-bolt clamps to keep it and my inlet in place. Never a issue since.

 

With the slight amount of blow by its a matter of time until they start to slip off with the rubber boots in place. I had to fit the hose with the t-bolt loose and get very articulate with the 10mm flex drive to fit it perfectly as the its a bit a process to ensure it seats against the TMIC oulet and the TB inlet flush.

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