Mishimoto aluminum radiator hose install - Subaru WRX Forum
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#1 Old 07-30-2012, 09:32 PM
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Mishimoto aluminum radiator hose install

Has anybody installed this yet, because I've got some questions on the install. I already have the mishimoto radiator installed and the upper radiator pipe doesn't exactly match up. I'm assuming that's what the couplers and bolt clamps are for. Should radiator fluid be running through the couplers, or does the fit have to be perfect?





EDIT SEE PICS

I installed the aluminum hose and found out that Mishimoto sends 1.5 OD t-bolt clamps with the kit and they are way too small! 2.0 OD clamps are on there way but the ghetto ones will have to do for now. While I was at it I wrapped the downpipe and turbo. I also bought a Grimmspeed heat shield and quickly found out that ever since the downpipe was upgraded years ago, the heat shield brackets are MIA. Does anybody know if there are one or two brackets and where they were placed? Right now I have none.





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Last edited by doctorjf21; 08-11-2012 at 07:29 PM.
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#2 Old 07-31-2012, 05:45 AM
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If the couplers are 5 ply it should be ok. It's the flimsy 3-4plys that I would question.

You sure you rec'd the correct hose kit from Mishimoto?

Paul
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#3 Old 07-31-2012, 09:39 AM
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The upper aluminum pipe will make it pretty tough to burp your coolant system. It is common to gently squeeze the top radiator hose to help relieve any air bubbles which may be trapped in the upper part of the system.

John
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#4 Old 07-31-2012, 09:55 AM
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Thanks for the replys guys. I ended up calling Mishimoto and they said that the aluminum pipe should not contact any metal, that's what the couplers and clamps are for. Radiator fluid does run through and contact them. I'm not sure if they are 3/4/5 ply though...just going to roll with it. The t-bolt clamps are going to be a bitch! You guys want me to post some pics after the install?
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#5 Old 07-31-2012, 09:57 AM
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look at the couplers and count the layers. Pics are always sweet.

As John said, I'd probably get a samco set or another radiator hose set so you can burp the system correctly.

Paul
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#6 Old 07-31-2012, 09:57 AM
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I have a kit like this on the Evo and it's slowly leaking from coupler on the radiator side. I also noticed that the couplers mushroom pretty quickly. Went back to stock immediately. Do not see the overall benefit in these.

Quote:
Originally Posted by man show View Post
The upper aluminum pipe will make it pretty tough to burp your coolant system. It is common to gently squeeze the top radiator hose to help relieve any air bubbles which may be trapped in the upper part of the system.
My #1 purchase in tools is a funnel kit that burps the coolant system for you. Way less messy and gets the job done. I have used it on all my vehicles.

- Sandra
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#7 Old 07-31-2012, 10:51 AM
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Squeezing your top hose is free.99 and I didn't spill a drop of coolant. The key is a gentle squeeze.

Mason
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#8 Old 07-31-2012, 12:50 PM
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^Perve

Sandra doesn't like leg-humpers... hahahha

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#9 Old 07-31-2012, 01:15 PM
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^ I see what you did there.. hahaha

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#10 Old 07-31-2012, 01:30 PM
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LOL, jerks....I would charge way less than free.99!

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#11 Old 08-01-2012, 07:35 PM
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Those fancy pluggable coolant funnels are the jam... but I still squeeze my hose.

John
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#12 Old 08-01-2012, 09:29 PM
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Quote:
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... but I still squeeze my hose.
Is that why your palms are hairy?

Kirt
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#13 Old 08-02-2012, 05:16 AM
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Niiiiice LOL

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#14 Old 08-02-2012, 07:09 AM
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Another hose squeezer here. Even do it when I'm working on my wife's box. Econo-box. It's a Corolla.

Get your mind out of the gutter.

-Chris
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#15 Old 08-03-2012, 11:39 AM
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Mishimoto sent me 1.5OD t bolt clamps, which are way too small! I can't even get a thread started while using pliers. They are sending me free replacement t bolt clamps, 2.0 OD, and new couplers. Right now I'm using the ghetto clamps from pepboys on the upper radiator pipe. Since I can't squeeze the upper pipe to relieve trapped air in the radiator, is there some kind of kit or tool I can buy to do this? It's fine now, b/c I've been slowly letting the car get up to temp, then letting it cool and opening up the cap to let the air escape. I've had to do this cycle 4 times now, and finally all the air is out!
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