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OK, What are these manifold nipples "Supposed" to be for?
To anybody looking at this and contemplating taking apart their first Subaru, look and learn. I took mine apart a long time ago, and circumstances (including the shop) prevented me from reassembling in a timely manner. I thought I had enough pics (dozens), but I wish I'd taken twice as many. This thing is a veritable rat's nest of wire and hose. I also wish I'd taken notes on the order I disassembled it so I could go backwards on reassembly. The shortblock was the easy part, lol. That said, I don't recall what any of the labeled stuff in the picture is for. For info, I've pulled the guts out of the TGV and deleted the air pumps.
The rubber hose marked "A" runs down to the little metal t-pipe coming up from the water pump. I'd like to think it goes to either the throttle body or the coolant expansion tank, but I'm not going to pretend I know anything for sure at this point.
The two nipples coming off the throttle body are (I believe) for coolant, which I'm also going to ignore and cap (if I'm right).
"B" is the nipple hiding under the throttlebody.
Pretty sure I need to save one of these for the blow-off valve, no?
Thanks for some help, guys. I've gone as far as I can on my own I think.Open VacsS.jpg
Last edited by turbomacncheese; 11-21-2017 at 07:10 AM.
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Senior Member
Pictures didn't upload. But it sounds like "A" and "B" are the 2 lines that go to and from the throttle body. I'm 99% sure based on your description but will verify once you upload the picture.
Last edited by EODTech87; 11-20-2017 at 11:37 PM.
-Jason
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Senior Member
Here you go:
http://forums.nasioc.com/forums/show....php?t=2614458
My 02 manifold looks a bit different from yours so I'm not certain about A,B,D but C goes to the brake vacuum booster (you can probably cap it).
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Ahh, yes, the brake booster. Thanks. I'm looking through your link right now.
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Senior Member
A goes to the top nipple on the throttle body.
D goes to the lower nipple on the throttle body.
B goes to the BOV.
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Thanks Jason. Maybe I'm not losing my marbles after all.
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