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Old 11-18-2019, 08:47 PM   #1
drtofu
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Member#: 112799
Join Date: Apr 2006
Default Identifying a leak - 2002 WRX Impreza Wagon

Hi all, I have a 2002 Impreza WRX with a leak that I’m trying to identify and repair… perhaps you can help!

At stop lights, I’ve been seeing white smoke coming from under my hood and there’s an acrid, burnty smell — not what I’d call sweet — and it’s bad enough that I use recirculating air now to keep it out of the cabin.

I thought it was power steering fluid at first but not sure. What does ATF Dextron III smell like when it boils off?

I looked under the hood looking for wet spots and found this hose. The hose itself looks wet as is what’s underneath it (the wet stuff is actually grease and collected dirt — I just wiped some of it off). My guess is that it’s dripping onto something hot — can something perhaps be spraying onto this area, or drips boiling and condensing on these things? Any eagle-eyes know what this is?

(I already looked through the service manual but the line drawings are a bit hard to follow — wish there was an interactive point-and-click “what is this thing” on the web, you know?)

I took some pictures —*

https://i.imgur.com/7F1J1ZV.jpghttps://i.imgur.com/Hh0bAU9.jpg

Also, notice the white splatters? Coolant spray, right? Looking at the splatter pattern… Maybe it originates from this hose area — it might be from washing the car — perhaps it’s coming from somewhere else? It’s possible there are multiple things going on.

Hopefully it’s checking a spring clamp or some other easy repair!

Last edited by drtofu; 11-18-2019 at 10:20 PM.
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