TMIC to TB Hose Recommendations - Subaru WRX Forum
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#1 Old 09-27-2013, 05:30 AM
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TMIC to TB Hose Recommendations

I recently went stage 2+intake. Recently started hearing that "lovely" sounding sucking/hissing noise. I'm guessing it has something to do with the TMIC to TB hose. I already had it happen to me stock and it was warrantied at the dealer and they replaced the hose. I'm thinking I should probably fix this before it gets too cold here and I have to work without feeling in my hands. I have a few questions about it though:

1. What is the best way to verify that it is definitely the TMIC to TB hose?
2. Should I replace the hose with an aftermarket silicone hose, if so which one is the best to go with?

I have done a little research on this and found people opinions for aftermarket hoses to removing the o-rings on each end of the stock one and getting t-bolt clamps to tighten either hose down.

What are everyone's recommendations please and thank you?

Andy - 12 WRB WRX
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#2 Old 09-27-2013, 06:05 AM
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You should get a process west tmic


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#3 Old 09-27-2013, 06:28 AM
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I was thinking more just a hose fix for now. That is a little less costly than a new intercooler for now.

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#4 Old 09-27-2013, 07:29 AM
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The "just replaced" connector hose is most likely rubber based and not silicone based. I was constantly changing stock connectors/hoses on my MR2T after I installed the T66 until I went silicone w/t-bolt clamps. From my personal experience there is really no fix for a connector hose that has developed a leak and the stock screw type clamps cut into the hose.

Silicone Hose HPS High Temp Reinforced Silicon Hoses Manufacturer

Good luck .
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#5 Old 09-27-2013, 09:03 AM
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Quote:
Originally Posted by texasmr2 View Post
The "just replaced" connector hose is most likely rubber based and not silicone based. I was constantly changing stock connectors/hoses on my MR2T after I installed the T66 until I went silicone w/t-bolt clamps. From my personal experience there is really no fix for a connector hose that has developed a leak and the stock screw type clamps cut into the hose.

Silicone Hose HPS High Temp Reinforced Silicon Hoses Manufacturer

Good luck .
^Yea the stock hose is rubber . Just ordered a silicone IC to TB hose. Thank you for your help.

Thanks to you as well neversummer. Maybe next summer I can get the IC upgrade.

Any idea what size t-bolt would be sufficient for this? If not no biggie, I can wait until the hose comes in and see then. I'd just rather be ahead of the game.

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#6 Old 09-27-2013, 09:23 AM
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Quote:
Originally Posted by arewmors View Post
^Yea the stock hose is rubber . Just ordered a silicone IC to TB hose. Thank you for your help.

Thanks to you as well neversummer. Maybe next summer I can get the IC upgrade.

Any idea what size t-bolt would be sufficient for this? If not no biggie, I can wait until the hose comes in and see then. I'd just rather be ahead of the game.
Your welcome.

The size of the t-bolt is determined by the size of the hose.
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#7 Old 09-27-2013, 09:23 AM
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Quote:
Originally Posted by arewmors View Post
1. What is the best way to verify that it is definitely the TMIC to TB hose? Boost leak test
2. Should I replace the hose with an aftermarket silicone hose, if so which one is the best to go with? Most any cheapy will do better than the rubber OE garbage
see bold
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#8 Old 09-27-2013, 09:56 AM
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^Thanks Paul!

Would this boost tester work? Would this be a worthy investment to purchase this?

Pro-Kit SUBARU IMPREZA WRX 2004 by turboboostleaktesters.com

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#9 Old 09-27-2013, 10:40 AM
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I bought that one a long time ago. Was fine. You can always make your own for about $12.

Also may want to look into a silicone elbow once you find out what TMIC you're going to stay with.

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#10 Old 09-27-2013, 10:47 AM
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Also may want to look into a silicone elbow once you find out what TMIC you're going to stay with.
I ordered a silicone hose for the TMIC to TB this morning. Is that what you're talking about with the elbow?

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#11 Old 09-27-2013, 12:35 PM
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No, the turbo to TMIC elbow. Siliconehoses.com has em... just needs to be trimmed a little bit. But this is after you find out what TMIC you are going to stay with for a while.

Derp... just noticed you had a 2012... not sure they even have em anymore.

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#12 Old 09-27-2013, 01:04 PM
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I don't believe I have that hose.

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#13 Old 09-27-2013, 05:37 PM
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#14 Old 10-02-2013, 08:16 PM
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Well I ended up getting a venair TB to IC hose and installed it tonight. When I took the stocker one off I noticed the TB side had a part that was folded in. I'm pretty sure when the dealer did the warrany for the screeching sound last year they didn't put it on correctly when they replaced it. Them damn rubber washer things. Dumbest idea going, fail! Fol. It eventually popped out while it was sitting there. I'm guessing that is why I was getting the noise recently. We will soon find out. If that isn't the reason then I'll do a boost leak test. But I'm pretty sure that was the problem. It really started happening when I went stage 2 with more boost which took it to the next step and started leaking. That's why it's tough to take my car back to the "stealer". At least when I do it I know what and how something was done and have better piece of mind.

The bump on the right bottom was folded or pinched up leaving a little gap on the TB.
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#15 Old 10-02-2013, 08:26 PM
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Looks like your culprit
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