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Old 08-28-2019, 11:06 AM   #315
Scooby Specialist
Member#: 138994
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: DeKalb-ish, IL
06 WRX Ltd


Yes I do have one of those diagrams I was working from. Those other ones you linked do help some, I see one of the IC sprayer hoses is on that diagram instead of the other diagram.

Using the grommet as my fixed point reference:
Front routing I think is pretty strait forward. I can tell from these diagrams and online photos that the hose w/ grommet passes from the drivers compartment towards the LHS (not forwards) and into the LHS fender cavity. From there it appears to run forwards (probably along with electrical harness) and into the engine bay via an inner fender pass-through. Another hose goes up and rearwards to the same area as the wiper fluid connection at the hood/cowl area. The on-hood hose contains the check valve and connects to the nozzle with an 90el. Nozzle is mounted in the forward duct partition so if it's a split duct then only the front (engine side) half of the TMIC is getting sprayed.

Rear mounting is the pain since I want to mimic the factory routing. I know it could be routed any way and still work just as well. But...well...that is not how I operate. So at whatever point the grommet hose ends is where the clear hose begins. This is likely right near my left foot. I can see from factory photos that the black joiner is near the 12L tank, so that means the white joiner goes in front. This hose routes along the fuel lines and conveniently has a snap-in location on those plastic brackets. A few separate clips are needed (where exactly I do not know) along the way. This hose must head over by the rear seat cushion and from there it goes up the wheel well. Not clear if it just get foam taped on the chassis or if it goes under the plastic trim. So from there the hose might go 2 ways [1) up into the parcel shelf or 2) through the strut tophat area] and then down to the center of the trunk. Here it attaches direct to the hose on 12L tank. Or it connects to another hose the routes to the RHS wheel well and down to the hose on the STI tank.

"Subaru Impreza Spec C Parts" Hmm I wonder if some 2006-2007 fenders with the side-marker holes would arrive safely over here?
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Last edited by JarHarms; 09-10-2019 at 09:18 PM.
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