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Pauldeacs80
Newbie


Joined: 30 Jul 2019
Posts: 19



PostPosted: Sat Aug 24, 2019 4:13 pm    Post subject: Metal pas pipe replacement Reply with quote

About to embark on the replacement of the 2x metal link pipes on the power steering rack on my Carrera 2. Just wondering how people tend to go about this, drop the front subframe to access the rack or try and slide tee rack out through the subframe gap between the subframe and body?
 
  
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crash7
Hockenheim


Joined: 28 May 2011
Posts: 653



PostPosted: Sat Aug 24, 2019 8:07 pm    Post subject: Reply with quote

You do not have to drop the subframe, the rack will slide out of the drivers side.

Joint to the steering column can be awkward, not difficult, that aside it’s straight forward.
 
  
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Pauldeacs80
Newbie


Joined: 30 Jul 2019
Posts: 19



PostPosted: Sat Aug 24, 2019 9:23 pm    Post subject: Reply with quote

Yep was just wondering if anyone had done it by dropping the subframe at the front as this would avoid having to try extracting the two hose lines to the rack. I’ve seen a couple of posts where people have struggled to remove these without damage or difficulty.

Dropping the subframe may avoid this issue.
 
  
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Paynewright
Monza


Joined: 17 Apr 2018
Posts: 204
Location: Nr Lutterworth Leics


PostPosted: Sun Aug 25, 2019 6:40 am    Post subject: Reply with quote

I wanted to change the transverse brake pipe due to an advisory so did the rack pipes at the same time by dropping the subframe. New suspension went on shortly after so a geo check was planned anyway. If going this route ensure the fuel tank is low on fuel as you have to prop this up when the subframe is unbolted. Car is a C2 manual.

I did try and undo the hose/pipe fitting on the rack, however, the bolt was v tight and I didnt want to risk snapping it!

Dropping subframe is a 2 person job if you dont have any special lifting gear IMHO.
 
  
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wasz
Sepang


Joined: 28 Dec 2012
Posts: 2979


1999 Porsche 996 Carrera 2

PostPosted: Tue Aug 27, 2019 9:46 am    Post subject: Reply with quote

Depends I think if your car has PSM.

Early 996 had no PSM and has a one piece steering column, you can't separate the lower steering shaft. My '99 has this.

Later cars with PSM the lower UJ can be disconnected.

I'm not sure of the cut off year I'm sorry but I think it came with the introduction of PSM.

If yours is an early car then you will be dropping the subframe. Care not to damage the plastic coating on the end of the steering column splines.

Mine flaked off and broke up so I had to change the complete steering column doing this job eh!
_________________
My special order MY99 Vesuvious Charcoal 996 | Clutch, Fly RMS IMS AOS Job |
Steering Rack Hard Lines | Air Con Compressor / System
 
  
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Pauldeacs80
Newbie


Joined: 30 Jul 2019
Posts: 19



PostPosted: Sat Aug 31, 2019 9:15 am    Post subject: Reply with quote

Thanks for the info. It’s a 98 Carrera 2 non pasm. I’m a little confused by what you mean about the plastic coating. At a glance the column is attached to the splined stub on the rack by a pinch bolt. My plan was to undo this pinch bolt and the subframe to allow the subframe to drop enough for access. Where is the plastic coating you mention? Further up the column?
 
  
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Paynewright
Monza


Joined: 17 Apr 2018
Posts: 204
Location: Nr Lutterworth Leics


PostPosted: Sat Aug 31, 2019 7:37 pm    Post subject: Reply with quote

The plastic coating is sort of over the splines on the column and fits into the UJ.
 
  
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Pauldeacs80
Newbie


Joined: 30 Jul 2019
Posts: 19



PostPosted: Sat Aug 31, 2019 10:18 pm    Post subject: Reply with quote

What an utter twat of a job... got the subframe down and the old pipes off fairly easily. Fitting the new pipes went well until the last union on the front of the rack. Had it nearly done up but then without even applying much pressure it suddenly went lose again. Stripped the sodding threads out of the rack!!

Not the end of the world, new racks are not crazy price BUT the high/return pressure lines are fully stuck in rack, they also have split crimps on them. Looks like I’m buying a set of those too. £1000 worth of parts coming up it seems. Utter rubbish design.

Interestingly amongst the invoices for my car is one for..... a brand new high pressure line and a return line, fitted by the Porsche main dealer at 96,000 miles at a cost of £1300 (parts and labour). Replaced due to the crimped joints failing. Less than another 100,000 miles on they need replacing again, appears those crimps don’t last.
 
  
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wasz
Sepang


Joined: 28 Dec 2012
Posts: 2979


1999 Porsche 996 Carrera 2

PostPosted: Mon Sep 02, 2019 9:21 am    Post subject: Reply with quote

Hmm

Can you take the rack to a hydraulic hose specialist e.g. pirtek they may have a trick up their sleeve for the stripped thread (e.g. helicoil or an oversize connector.

Failing that they may be able to supply some new ends for your hoses to go into new rack and crimp onto your old lines in situ.

They do this stuff all the time on trucks and farm machinery.

20 years or 100k is par for the course really on a car part, these are past their "end of life" now so continuously need parts and labour.
_________________
My special order MY99 Vesuvious Charcoal 996 | Clutch, Fly RMS IMS AOS Job |
Steering Rack Hard Lines | Air Con Compressor / System
 
  
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