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Advice with high pressure power steering hose replacement.
#1

I just got done changing both of the high pressure hoses to and from the steering rack.  It took me much longer than it should have, so I thought I'd share some advice. 

 

I followed much of Clark's Garage's steps to remove the entire steering rack short of removing the tie rods.  

 

You can get to the banjo bolts that hold the high pressure hoses from the top and back.  In my case, this didn't do me much good as the 6mm hex fitting just stripped.  At these funny angles, you are more likely to strip these banjo bolts.  I managed to get a standard hex head wrench on the darn bolt, but it would not move.  

 

Advice 1:  When you take everything off and move the AC unit in, you can just maneuver the rack around so the steering column can twist and drop down so you can gain access.  

 

Advice 2:  The current 968 Banjo bolts are discontinued.  This is a good thing because they are garbage.  The early 80's 944 banjo bolts are still for sale.  These are nicely bolt shaped and can easily be wrenched.  Buy these in advance and count on tossing your current bolts.  I needed 2.   

 

Advice 3:  The hose from the pump to the steering rack has many OEM options because it's expensive.  I do think it's something that can be rebuilt.  I bought a cheap after market hose (120$).  I got it to work, but it didn't fit without some fussing and bending.  I was very concerned that this hose not fitting was going to alter the angle or something on how the rack fit after putting it back. It looks right in the drawings -- It's like someone made it using a drawing versus a template.  Of the 3 options (new, rebuild, or aftermarket), rebuild is likely the best option for value and end quality if you can find a good shop.  I have no idea where to go here in PDX.  If there is a good after-market fit out there, please do tell.  

 

Advice 4:  Change both hoses.  I only needed to change the pump to rack hose.  The Rack to cooler hose was about 140$ from Porsche.  It fit perfectly.  It's not easy getting in there and it took many hours.  Change them both.  Don't forget to buy all the crush washers.  You'll need 6.  

 

I hope this helps someone have a better afternoon.  I was really glad to see my steering rack had zero leaks.  I would up changing all of the hoses (even the low pressure).  

 

 

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93 Red Coupe
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#2

I've replaced all the items in my steering system except the pump, which I rebuilt. I ordered the high pressure hose from Pelican (not the really expensive PORSCHE branded hose, just their standard replacement). I found this hose, while it did fit, was too long by an inch or so, causing it to run in a slight 'S' shape once bolted in, instead of running straight along the rack like the original hose. If I had to do it over again (and I just might) I'd buy the expensive PORSCHE hose.

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-Austin



'94 Black/Tan Coupe

6sp. LSD, 18" Carrera Lightweights, M030 struts and sways, Racer-X chip, airbox mod
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#3

You can always take your original hose to a company that makes hydraulic hoses for heavy machinery (cranes etc.). They will cut some hose at the exact length and clamp the original connections on it. Far cheaper solution and safe too. Mine is holding out for 8 years now, not a drop spilled.


I mean, from THAT hose that is ;-)
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#4

Agree with Bulti. I had a hydraulics shop do that for my powersteering hose and for my clutch hose. Three years in and so far, so good.

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-Matt

1993 Midnight Blue Porsche 968 Cabriolet (toy! Currently under restoration)

1995 Jeep Cherokee (war wagon, Zombie Apocalypse Response Vehicle)

2015 Mazda 3 (my reliable, nice car)

 
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#5

Good idea guys, thanks! Now to look around the garage - did I save my original leaking hose...?

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-Austin



'94 Black/Tan Coupe

6sp. LSD, 18" Carrera Lightweights, M030 struts and sways, Racer-X chip, airbox mod
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#6

What!? You dont save every part you replace, no matter its condition - just in case? :0)

(U should see my pile of oily seals, leaky clutch master and slave, ruined rubber bits, engine hydraulic mounts, and now ols stereo bits, etc)

Bit by bit they become a sort of pop art in my garage, ala sanford & son...

Aaahhhh the glorious man-cave, beautiful to me if only because no one else in the family wants to hang out there, my happy place!

Ok back to the thread topic, ahem, yeah gotta make sure i save that hose...
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