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#1 2021-02-28 17:41:53

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Replacing power steering pump (mystery hose, broken connector)

SHORT VERSION

I DON'T KNOW WHAT THIS HOSE IS OR WHERE IT GOES!?: https://flic.kr/p/2kFPp8N



LONG VERSION

I'm finally getting around to replacing my power steering pump after putting it off for weeks while the temperature in Michigan hovered in the 20s.

With the return of 40 degree plus weather to the mitten state I ordered a rebuilt BB pump from Rock Auto, which seemed like the best low cost option after reading so many horror stories about the Cardones. I spent a long Tuesday off-work getting the original pump out, thanks to a serires of stubborn bolts (especially the awful, loathesome, intractable pulley bolt), several trips to the store for tools, and the need for a deep clean of the bracket, reservoir and engine bay. The main resources I consulted were:

dotmaster's replies to my original post: https://www.saab92x.com/viewtopic.php?id=86806

The always helpful-to-a-layman 06wrxguy's video https://www.youtube.com/watch?v=ThnXRNLsQEg

This old how-to from NASCIOC https://forums.nasioc.com/forums/showth … ?t=1941122

Today I intended to take advantage of a warm day off to install the new pump, but ran into a couple of issues.

1. I knocked out a bunch of the little vaccum hoses taking the pump out. I think I've figured out where all of them go except for one. I've looked all around and can't find anywhere for a hose coming out of the top of the engine block to connect. I can't find any pictures of it anywhere that show where it goes other than somewhere behind the pump. Wideshot and closeup links below:

https://flic.kr/p/2kFSYAB

https://flic.kr/p/2kFPp8N

IF ANYONE KNOWS WHAT THIS IS AND WHERE IT GOES I'D REALLY APPRECIATE THE GUIDANCE!


2. I managed to break a plastic connector on one of the hoses coming out of what looks like a little circuit box (whoops in the photo above). I'm hoping this is something I can just grab at o reilly or the like. Photo link below:

https://flic.kr/p/2kFPp5m


These seem like minor issues but I don't want to go any further with the installation until I know where that hose has to go.

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#2 2021-02-28 19:07:00

dotmaster206
Member
From: Denver, CO
Registered: 2012-03-10
User Number: 7123
Posts: 2145

Re: Replacing power steering pump (mystery hose, broken connector)

This is the nicest diagram I could find. It's for a Legacy but as far as I know it should be the same for the WRX.
https://legacygt.com/forums/attachment. … 1281363875

Your mystery hose is one of the PCV lines. Just carefully trace the lines and make sure it gets together properly. If you don't, you'll potentially have idle problems, check engine light, etc.

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#3 2021-02-28 20:30:21

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

Thanks dot! As far as I can tell the mystery hose has to be the light blue one which looks like it returns into the block but I haven't found the intake yet. It's got a very small hole compared to the others too. I guess I was hoping it was just attached to a release valve for excess vapors or something.

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#4 2021-03-01 08:22:17

saabroo
Not Moderater
From: Yardley PA
Registered: 2015-07-02
User Number: 31977
Posts: 389

Re: Replacing power steering pump (mystery hose, broken connector)

That looks like it was cut in the past and the little hose inserted into the original larger one. You can tell by the zip tie and the left over expandable plastic net sleeve.


2019 Audi A4 Quattro
2008 Audi A4 2.0T Quattro Avant
2005 Saab 9-2x 4EAT. SOLD
2010 Camaro V8 2SS/RS 6MT with Maggie. 513whp, 480tq. SOLD

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#5 2021-03-01 22:07:02

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

Oh okay so it's essentially just a plug at this point?

Someone in NASIOC suggested it might be that a nipple broke off of the EVAP or something but I can't find any evidence of a broken off part anywhere.

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#6 2021-03-02 08:02:03

saabroo
Not Moderater
From: Yardley PA
Registered: 2015-07-02
User Number: 31977
Posts: 389

Re: Replacing power steering pump (mystery hose, broken connector)

The other hose with the blue stripe on it. Does that look as if as it was spliced at some point?


2019 Audi A4 Quattro
2008 Audi A4 2.0T Quattro Avant
2005 Saab 9-2x 4EAT. SOLD
2010 Camaro V8 2SS/RS 6MT with Maggie. 513whp, 480tq. SOLD

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#7 2021-03-02 14:51:37

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

I can't see any hoses that were also spliced.

After another look I think the NASIOC guy was onto something. There is a spot in the middle of the EVAP solenoid that looks like a piece has been broken off.

The hole in the middle:

https://img.nasioc.com/image/UxIsJ

Soooooo. How important is the EVAP solenoid...?

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#8 2021-03-02 17:08:19

krazykarguy
Worst ninja editor, ever.
Supporter
From: South of North Carolina
Registered: 2007-04-06
User Number: 1944
Posts: 8723

Re: Replacing power steering pump (mystery hose, broken connector)

EVAP solenoid if broken will lead to a more-or-less permanent CEL.


2005 Aero 5MT
2014 Ford Mustang GT Premium 6MT - Sterling Gray Metallic - 475hp of crowd munching fun

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#9 2021-03-02 20:55:11

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

I've been in perma CEL mode with one thing or another since I got the thing. I can deal with for a couple of weeks while slowmo cheapskate shipping one from subaruparts.

From some more research it looks i should avoid using the turbo because of how the computer measures pressure. I can live with that for a couple of weeks too I suppose.

So I've removed the solenoid, electrical taped up the connector and thrown vaccum plugs on the nipples and outlets. Will be trying to start it up to finish the PS fluid flush tomorrow.

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#10 2021-03-03 11:25:20

krazykarguy
Worst ninja editor, ever.
Supporter
From: South of North Carolina
Registered: 2007-04-06
User Number: 1944
Posts: 8723

Re: Replacing power steering pump (mystery hose, broken connector)

You must be in a non-inspection state.  lol


2005 Aero 5MT
2014 Ford Mustang GT Premium 6MT - Sterling Gray Metallic - 475hp of crowd munching fun

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#11 2021-03-10 13:50:09

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

Motorcity Michigan baby!!!!!!!!!!!!!!!!!!

You barely have to have a license plate round these parts these days.

Just wish the junkyards had more subies in 'em.

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#12 2021-03-10 14:00:08

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

So far so good with the remanned PS pump. Flushed the system then spent a good forty five minutes with wheels up/wheels turning to get the vibrations out. The way it was shuddering initially I thought I might have a dud on my hands but it all went away eventually.

Still got a tiny bit of coolant smoke wafting out the engine side of the return hose. That's the one place I didn't buy new clamps so gonna give that a try today. Tempted to switch back to the summer wheels while I'm at it...

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#13 2021-03-16 11:41:19

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

After all of this the car started overheating and spewing smoke again at a traffic light over the weekend. I finally caved in and took it it to the shop yesterday.

They're saying I've got a waterpump leak and a small radiator leak. They're recommending buying a Gates timing belt kit w/pump and a Koyo radiator, which a quick scan of the boards seems to confirm is pretty standard. It looks like I should expect to be charged 4 - 5 hours of labor if they do it for me? I'm not feeling particularly motivated to pull another another set of pulleys out myself in the near future.

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#14 2021-03-16 12:49:14

ChasedToast
Vroom Vroom!
From: Southern Michigan
Registered: 2017-08-29
User Number: 41961
Posts: 18
Website

Re: Replacing power steering pump (mystery hose, broken connector)

Baobiao wrote:

After all of this the car started overheating and spewing smoke again at a traffic light over the weekend. I finally caved in and took it it to the shop yesterday.

They're saying I've got a waterpump leak and a small radiator leak. They're recommending buying a Gates timing belt kit w/pump and a Koyo radiator, which a quick scan of the boards seems to confirm is pretty standard. It looks like I should expect to be charged 4 - 5 hours of labor if they do it for me? I'm not feeling particularly motivated to pull another another set of pulleys out myself in the near future.

I'd recommend against the Gates kit, as they've been known to have issues with the timing belt tensioners failing. I'd go with the Aisin timing kit instead, which seems to be the new "OEM" quality equivalent.

Koyo is a quality brand, so you shouldn't have much to worry about there. Labor time sounds about right to be also.

Hopefully you can get everything situated!


2005 DSM Aero 5MT "Stage 2"

Blog: chasedtoast.wordpress.com
Store: chasedtoast.bigcartel.com

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#15 2021-03-18 15:11:16

elislider
accept no substitutes
Registered: 2014-11-30
User Number: 25881
Posts: 530

Re: Replacing power steering pump (mystery hose, broken connector)

This looks like an 06, so assuming its an 06 Aero then here is the diagram for the 06 WRX: https://parts.subaru.com/a/Subaru_2006_ … 50-03.html
These hoses always get petrified and break. Its not expensive to replace all the hoses, but the solenoid is expensive new so i recommend getting a used one on ebay
You need
1x https://parts.subaru.com/p/Subaru_2006_ … AC690.html
1x https://parts.subaru.com/p/Subaru_2006_ … 0C040.html
1x https://parts.subaru.com/p/Subaru_2006_ … AC241.html
1x https://parts.subaru.com/p/Subaru_2006_ … AB160.html
solenoid: https://parts.subaru.com/p/Subaru_2006_ … AA391.html

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#16 2021-04-09 19:52:19

Baobiao
Member
Registered: 2020-08-05
User Number: 46983
Posts: 46

Re: Replacing power steering pump (mystery hose, broken connector)

Thanks for the feedback folks. Finally got the car back after a couple of weeks in the shop. Got it done at Auto Ave in Ypsi. They seem to have done good work and were very upfront about everything, but they did forget to put some of the plastic covers back on (air scoop thing, bottom engine cover - noticed the next day and went back) and were a little pricier than my usual Packard Auto.

ChasedToast I went with the ASIN. So far so good. Turned out it was a Gates that had gone bad in the first place.

Elislider thanks for the parts list. I was able to snag a used solenoid from FXTI's Aero part-out for $30 quick-shipped. Thanks again FXTI. I was gonna try to get by without new hoses but after having another look I think I'm gonna swap 'em all out after all. Definitely not trying to snap another solenoid to bits.

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