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Old 06-13-2019, 08:05 AM   #1
6DemonBag
Scooby Newbie
 
Member#: 383438
Join Date: Mar 2014
Default Hard Line Replacement

Hey NASIOC, Im attempting to fix the broken OEM hard brake lines in the rear of a 2007 Impreza Outback Sport wagon. I live in the Northeast and the weather and salt have not been kind. Brakes went out completely while driving a week ago. Can anyone chime in and educate me please on the specifics of the hard lines that meet at the rear passenger side union box, where the rear lines split after leaving the car's interior, just under the rear seat? IE what diameter is the stock line, what type of flare the existing OEM lines employ, and what size thread and pitch the fittings use? I'm going to attempt to cut the rotten pieces awayup to the point where the plastic coating on the existing lines begis, reflare, and reconnect. Im not sure if this is possible, but it seems doable and possibly less work than dropping the rear diff, subframe, and fuel tank to replace the lines out back. Thanks in advance.
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Old 06-14-2019, 08:47 AM   #2
6DemonBag
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Member#: 383438
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Default

According to post here on NASIOC the hard lines are 45 degree cone flare and lines are 3/16 diameter.
https://forums.nasioc.com/forums/sho....php?t=1581745
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Old 09-20-2021, 04:25 PM   #3
GK1707
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Member#: 373868
Join Date: Nov 2013
Chapter/Region: Tri-State
Location: Queens, NY
Vehicle:
'04 STi
WRB

Default

Bumping this from the dead. Doing all my brake lines soon. Switching over to stainless lines but also just wanting to confirm this is the same brake line diameter and flare type for an 04 STi as well?

Does anyone also know the fitting type/thread pitch for the brake hard lines. Its looking like these fittings may give me a tough time so just want all this information in advance so I can buy the fittings before I take it apart.
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