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Old 03-21-2013, 10:00 PM   #1
gsrcrxsi
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Default Power steering leak at the rack

2010 WRX
87000 miles
Lifted/stage 2 (probably doesn't matter)
WL steering rack bushings

Seems I have a leaky PS rack . I first noticed the PS level a bit low, topped it off, then again noticed it was low about 1-2 weeks later. Looked around the pump and it was all clear. No leaks at the pump.

While doing some other things, I took a look at the rack and found this.





Can't really tell exactly where it's leaking from. Either the top seal where the pinion shaft goes, the paper gasket between the top half of the pinion housing and the rack, or from one of the hard line fittings. I can't really tell as everything has a nice coating of ATF/PS fluid. Are either of these seals a common point of failure? Also. The top rubber "cap" where the pinion shaft is, is that supposed to be loose, I can lift up the edges.

I can probably clean everything off with brake clean and then start the car and look for leaks. But I figured I'd ask if any if this was relatively common. Sorry for the crappy cell pics. Hopefully someone can shed some light on this.
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Old 03-22-2013, 11:02 AM   #2
gsrcrxsi
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bump for the people not doing their work on a friday afternoon
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Old 03-23-2013, 05:39 PM   #3
gsrcrxsi
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Bump.
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Old 03-23-2013, 10:35 PM   #4
Antiharper
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Sorry man looks like you should clean it off and pin point that leak. I haven't seen many suby racks fail, and the ones I have leak at the inner socket. If its those lines or fittings take the rack out and build your own. Most of the stuff is replace now a days, a good parts guy will be key. Good luck
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Old 03-24-2013, 12:02 PM   #5
gsrcrxsi
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yeah i read a few replies on IWSTI, and it seems a few people have had this same problem, where its leaking from the pinion valve assembly. and needs to be replaced. ~$300 part :/.

wonder if i can rebuild that.
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Old 03-25-2013, 01:29 PM   #6
gsrcrxsi
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seems you can rebuild the pinion valve assembly

http://opposedforces.com/parts/impre...llustration_3/

Seal kit is 20 bucks.
p/n: 34191AG050

or the whole pinion valve assembly for ~300
p/n: 34113FG0109L

has anyone done this? im not afraid to replace seals (ive rebuilt entire manual racks before). but admittedly ive never worked on a PS rack before. is there anything "special" about it that would otherwise prevent me from just taking the pinion valve assembly apart and replacing the seals?

it just seems a waste to blow $300 to replace a lot of hard parts that arent broken, just for leaky seals.
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Old 03-25-2013, 02:01 PM   #7
gsrcrxsi
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just placed an order with subarugenuineparts

1 - 34191AG050 - Seal Kit
1 - 34122AG000 - Oil seal (looked like its not included in the kit)
1 - 34164AG020 - Circlip (this was just in case, if it breaks or something)

total -$42.xx including shipping. we'll see how this goes.
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Old 03-25-2013, 02:55 PM   #8
Antiharper
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Let us know, at the dealer we just replace the whole rack. I'm curious what you encounter. Good luck
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Old 03-25-2013, 03:47 PM   #9
gsrcrxsi
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the whole rack? jesus. talk about a waste of money for the customer. especially when the leaky part is just the pinion valve assembly, which if you replace that, its still $300. but the cost for a while rack, wow.
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Old 03-25-2013, 05:36 PM   #10
gsrcrxsi
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looks like things have to be pressed apart for this whole rack. cancelled my order. while im more than capable, i dont want to get into a situation where this will not fix the issue or something breaks.

but now im talking to the parts guy at the dealership, he shows p/n: 34113FG030 for my 2010 WRX, whereas, i found the other number listed above (from opposed forces, which only lists 08 data, nothing more) for the whole valve assembly. not sure what the difference is.

looks like 34113FG0109L is for 2008-2009
and 34113FG030 is for 2010.

but i thought 08-10 were all the same? so confused righ now.
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Old 03-25-2013, 10:16 PM   #11
Antiharper
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Quote:
Originally Posted by gsrcrxsi View Post
the whole rack? jesus. talk about a waste of money for the customer. especially when the leaky part is just the pinion valve assembly, which if you replace that, its still $300. but the cost for a while rack, wow.
Warranty work buddy. We don't get out of warranty cars very often
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Old 03-25-2013, 10:20 PM   #12
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Quote:
Originally Posted by Antiharper View Post

Warranty work buddy. We don't get out of warranty cars very often
Also it would almost work out to the same money to pay to have it disassembled and seals replaced so I'd rather have a new rack then old rebuilt one.. It is only a little bit more.. I think.
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Old 03-26-2013, 10:31 AM   #13
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i imagine its a lot easier/cheaper to just replace the whole valve assembly ($300). it unbolts from the steering rack with 2 bolts, and the hard lines, throw the new one in, bleed the rack, done. whereas the whole rack will run $700ish + labor + alignment
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Old 03-26-2013, 10:32 AM   #14
gsrcrxsi
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local dealer wont price match SGP :/. but theres one on ebay that (after shipping) comes out to be cheaper than SGP, so i think ill pick that one up.

i think ill also probably rebuild the old one and keep it as a spare.

Last edited by gsrcrxsi; 03-26-2013 at 10:50 AM.
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Old 05-31-2013, 09:55 PM   #15
JustA2.5Eye
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^yo son. Update this thread. We went HARD on this fix.
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Old 07-24-2013, 11:01 AM   #16
ecbmxer
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Curious as to the outcome of this. My 2010 WRX has a leaking rack right where the steering shaft goes in. Dealer is talking to their rep to see if they can cover it. Otherwise I'm either buying a pinion valve or a used rack off ebay.
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Old 07-24-2013, 01:55 PM   #17
gsrcrxsi
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i bought a new valve assembly off ebay for ~280 bucks.

dropped the rack
removed old valve
installed new valve with new o-ring (follow FSM)
reinstalled rack
bleed the PS system

good as new. its pretty labor intensive and cant be done without removing the steering rack.

i didnt bother with a warranty claim as i was about 85k miles.
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Old 07-24-2013, 03:33 PM   #18
ecbmxer
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Damn, I was hoping you could get in there w/ the rack in the car. Did you get realigned after replacing it? Any clue if the pinion valve is the same between all 08-10 non STI Impreza/WRX models? There is a whole rack at a salvage yard near me for ~$75 I could steal the pinion valve off of.
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Old 07-25-2013, 08:39 AM   #19
gsrcrxsi
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yes you will need an alignment after.
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Old 07-29-2013, 11:14 PM   #20
ikeryder13
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Quote:
Originally Posted by ecbmxer View Post
Damn, I was hoping you could get in there w/ the rack in the car. Did you get realigned after replacing it? Any clue if the pinion valve is the same between all 08-10 non STI Impreza/WRX models? There is a whole rack at a salvage yard near me for ~$75 I could steal the pinion valve off of.
I am having the same problem but I wanna know y not just replace the whole rack?
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Old 07-31-2013, 05:54 PM   #21
AliBenn
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ALL insurance companies will send the rack off and get rebuild(remanufactured new seals and boots) usually $100-$150 with the rack removed

unless the vehicle is current model year with low miles
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Old 08-07-2013, 03:34 PM   #22
caramall2
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Sorry for the hijack, but is a rebuilt rack for around $300 (online parts store) a smart way to go versus a new one for $600? I don't have any experience on rebuilt racks. I hate to dish out $600 plus right now.

If rebuilt are ok, why not just get one rather than change out the valve on current rack?
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Old 08-07-2013, 06:10 PM   #23
gsrcrxsi
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Because I'd trust a used OEM rack over one that was rebuilt with god knows what bull**** bottom dollar parts and seals.

But that's just me.

Over 100k on my rack now. Not a single issue after the valve replacement.
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Old 08-08-2013, 03:12 AM   #24
ikeryder13
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Yeah I agree... I'm just gonna get a used one... Found one cheap on eBay....
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