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Old 11-27-2009, 10:03 PM   #1
moby4dick
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Member#: 51901
Join Date: Jan 2004
Chapter/Region: Tri-State
Vehicle:
'04 WRX
WRB

Question Turbo oil hose - what size?

Does anyone know what size (ID) hose connects the two hard lines (the bottom facing turbo oil line to the one going into the block)? Also, what kind of clamps should I replace the existing ones with?

I thought I was done with my replacement header and uppipe, but found I had an oil leak...the rubber hose pulled out from the turbo side. I think the hose due to my new setup needs to be like a 3/4" longer, because the top of the hose is sitting at the bottom of the turbo's metal oil line.

Thanks!
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Old 11-28-2009, 01:58 PM   #2
Haelan
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Join Date: Jun 2007
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2013 Subaru STI
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The turbo oil drain hose should slide up onto the turbo hard line--it should have plenty of length. You may just need to secure it with better clamps. It's possible, but pretty tough, to re-seat the hose without pulling the turbo.

-You'll need to get under the vehicle.
-Get both spring clamps off of it and let them slide down towards the oil pan.
-Use a small sharp object to pry at the top hose opening at the turbo. Make sure the hose isn't kinked under the hardline. I had to push and pull the hose to get it lined up properly.
-Use a pair of needlenose pliers and very lightly grip the bottom hard line. Push up so the edges of the pliers are pushing on the bottom of the drain hose.

With any luck it should slide right up. Re-use the top spring clamp and for the bottom go with a worm clamp so it won't slide down again. I've had to do this twice and it takes some real patience.
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Old 11-28-2009, 04:08 PM   #3
moby4dick
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WRB

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Quote:
Originally Posted by Haelan View Post
The turbo oil drain hose should slide up onto the turbo hard line--it should have plenty of length. You may just need to secure it with better clamps. It's possible, but pretty tough, to re-seat the hose without pulling the turbo.

-You'll need to get under the vehicle.
-Get both spring clamps off of it and let them slide down towards the oil pan.
-Use a small sharp object to pry at the top hose opening at the turbo. Make sure the hose isn't kinked under the hardline. I had to push and pull the hose to get it lined up properly.
-Use a pair of needlenose pliers and very lightly grip the bottom hard line. Push up so the edges of the pliers are pushing on the bottom of the drain hose.

With any luck it should slide right up. Re-use the top spring clamp and for the bottom go with a worm clamp so it won't slide down again. I've had to do this twice and it takes some real patience.
You were right about the hose sliding. I went ahead and pulled the turbo and found plenty of hose, but pushed down on the bottom hard line. The clamps don't exert enough pressure to hold the rubber anymore.

So, I will replace the hose and the clamps; I've been told the hose is non-standard and Subaru specific, so off (yet again) to the dealer I go on Monday. It seems to me the only way to secure the top clamp is from the bottom, since the turbo will not allow me to get under it from up top.
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Old 02-02-2010, 08:40 PM   #4
Su||y
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Location: Phoenix, Az
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Stage Catless

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Exactly what I needed to read, bumping this for myself for later.
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