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Old 08-25-2011, 11:53 PM   #1
kouki240
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Default Getting at EJ20G coolant hose below TB

I have a big leak from one of the coolant hoses underneath the throttlebody and having a hell of a time trying to get at the hose. Can anybody suggest what the best way to get at these hoses are?? I've removed the intercooler, recirc valve, and part of the intake so far but still can't get at the bottom of TB. Help?
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Old 08-26-2011, 01:36 AM   #2
suberdave
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just bypass that hose. unless you are somewhere very cold, i dont think you will have to deal with T/B iceing...

-=Suberdave=-
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Old 08-26-2011, 02:08 AM   #3
kouki240
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Unfortunately, I am somewhere very cold haha. About -40 degrees celcius in the winter, which is coming up. So that doesn't look like an option
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Old 08-26-2011, 03:53 AM   #4
Dominator
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They are a pain to get on and off the manifold even with everything out of the way on the top of the motor. Just gotta have small hands I guess.

This is a photo of my ej22t intake, it may or may not be similar, I don't know, but it might help visualize what you are dealing with. (I don't know why I took the photo at that angle)
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Old 08-26-2011, 07:18 AM   #5
Jessekrs123
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If worst comes to worst, remove the throttle body and just pull it up off of the hose.

The coolant throttle body delete is a good idea while you're in there. I've heard of people who live in cold climates who do this and have no problems. I'm guessing that if it is that cold, you have to let your car warm up first to get all the frost off the windows. I'm sure the heat from the block onto the intake manifold will warm the throttle body up enough. And unless there is significant moisture within the throttle body, you shouldn't have to worry about it. The throttle body will be bypassed by the IACV if you just let it idle.

This hose was a PITA to get off when I did the coolant delete. I actually got on top of my block and twisted it off with pliers from above. You can try to use needlenose pliers, get one end on the tip of the hose, then open them up against the throttle body and see if you can slowly get it to go down. That hardpipe is pretty long.

Just a jumble of thoughts...
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Old 08-26-2011, 10:31 AM   #6
TommyAtomic
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I live in bc and it can get extremely cold in winter. I have done the tb iacv coolant bypass. From what i've heard, with an aos/catchcan i should avoid most of the condensation in the tb that causes the issue that the coolant lines are there to resolve. I've installed a moroso aos and i'll let you know how that theory pans out come winter.

Btw to get at mine i pulled alot of stuff out of the engine bay. Intercooler, intercooler brackets, complete intake, windshield washer bottle, battery(although it wasnt in the way.) I have rather long arms with what i've been told are big hands and it was an uber pita to get at those lines. I went at it from both sides of the engine bay with pliers. I highly debated pulling the tb.

Last edited by TommyAtomic; 08-26-2011 at 10:39 AM.
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Old 08-26-2011, 11:37 AM   #7
luka
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best thing to do first is to grab the hose (anywhere) with a pair of needle nose pliers and twist to break the seal. once you can freely twist the line it slips off much easier than trying to simply pull it off. or if you're really fed up just cut the st** out of it :/
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Old 08-26-2011, 01:35 PM   #8
kouki240
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Thanks for the help so far, guys! The picture helped me out, the culprit is the 90 degree hose on the left hand side that runs below the wires. Looks easy in that picture but seems impossible to get at without the TB off.

I will be moving to Edmonton for the winter (I believe that city set one of the coldest temperatures in North America last year.) At this point I'm not willing to take the risk of having the TB freeze up on me, otherwise I would definitely do the bypass.

-TommyAtomic: do you recommend removing the TB? I'm not exactly excited about having to replace the gasket and detach all of the hoses, so I'd like to do it the simplest method possible. I luckily have long arms too, so hopefully I can do what you did.
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Old 08-26-2011, 01:56 PM   #9
kouki240
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luka- definitely contemplated doing that... at this point I'm just worried about getting another one on
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Old 08-26-2011, 04:31 PM   #10
kouki240
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One more thing - Subaru stealership said it would take a week for the stupid 90 degree hose to arrive!! Does anybody know the dimensions of the hose (still on the car)? Maybe I can go get a generic coolant hose and bend it?
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Old 08-26-2011, 06:10 PM   #11
TommyAtomic
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Quote:
Originally Posted by kouki240 View Post
-TommyAtomic: do you recommend removing the TB? I'm not exactly excited about having to replace the gasket and detach all of the hoses, so I'd like to do it the simplest method possible. I luckily have long arms too, so hopefully I can do what you did.

Short answer: No I do not recomend removing the TB. Way too much work. I do recomend detaching all the hoses and spraying brake cleaner and wd40 through there and then caping off those nipples. There was some nasty gunk in mine that only came out after spraying cleaner in alternating directions. A nice coating of wd40 will prevent corosion provided you cap it off. This is a good thing should you ever want to hook that coolant hose back up.
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Old 08-27-2011, 01:37 AM   #12
cmyles
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pull the intake? its a matter of 8 bolts, 2 gaskets and a throttle cable hahaha.
While you remove it, paint it
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Old 08-28-2011, 03:29 AM   #13
Jarrod164
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I will regretfully have to put my coolant lines back before winter as I'm from Edmonton too. Wish I could just leave it as it definitely was a bit of a pain.
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Old 08-29-2011, 01:51 PM   #14
wagonryan
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Just had that same leak on my 20g last night. I did the bypass mod while I was at it, but you don't need a "Subaru" hose if you decide to keep the TB coolant lines.

I had to stand on top of my engine with a pair of 1' needlenose pliers that have the 45* bend near the tips, that allowed me to grab the clamp (which was facing down luckily) and pull it off. Not exactly easy but definitely do-able, you just can't see what you're doing because it's underneath.
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