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1987 Porsche 944 Turbo Front Struts

I was hearing a rattle in the front of my 87 944 turbo and we narrowed it down to the passenger side strut making the noise. I've looked on the forum and I saw where some have replaced the cartridges in them.

My question is if this is better than doing the whole strut or is this just as good and is there a preference on the cartridge we use?

Thanks in advance for the assistance!!
Old 07-16-2012, 02:40 PM
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Originally Posted by motorscuba View Post
My question is if this is better than doing the whole strut
replacing the cartridge is, more or less, "doing the whole strut". Unless of course the strut housing is toast, in which case you would replace that anyway even if you first set out to replace the cartridges.

If you want a stock shock, Boge/Sachs made all the stock shocks for cars that didn't come from the factory with Konis (M474 or M030). If you want a little stiffer than stock, go for the Konis. If you daily drive the car, I would recommend Boge/Sachs.

Take care!
Old 07-16-2012, 07:54 PM
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Thanks. I'll look them up. I understand the housing or part of the casing needs to be cut to replace the cartridges?
Old 07-16-2012, 08:31 PM
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the factory strut has no 'cartridge' inside (what you see is the strut itself), so you'd effectively be cutting the top off of it so that you can insert a whole new strut inside it. the obvious downside is that this adds weight.
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Old 07-17-2012, 09:58 AM
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the factory strut has no 'cartridge' inside (what you see is the strut itself), so you'd effectively be cutting the top off of it so that you can insert a whole new strut inside it. the obvious downside is that this adds weight.
Oh. But isn't that how you put new inserts in? Guess I'm just confused.
Old 07-17-2012, 03:58 PM
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yes, that's how you put inserts in. i was just pointing out that the factory struts do not have inserts in them, so you would not be 'replacing' a cartridge (you would be adding inserts).
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Old 07-18-2012, 08:42 AM
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Well I called Porsche to see what struts I had and they told me that it was the standard ones but when I took a look at them they were yellow. At the top of the cartridge body was a screw in flat top piece that we were able to move with some channel locks which indicates to me that they were of the removable types and that someone had changed them at some point.

I believe these sound like Koni's but if anyone can confirm this please do.


Thanks
Old 07-24-2012, 09:06 AM
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pictures would go a long way towards explaining what you've got.

I had a set of Koni struts for my 951 rebuilt to the tune of about $500 including shipping costs. worth it, IMO as I want to keep the 951S stock.
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Old 07-24-2012, 09:39 AM
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You must have the M030 struts. Or aftermarket.
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Old 07-24-2012, 05:13 PM
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Ok here are some pics of the strut I have. Please help with any info you have.

Thanks in advance guys!!



Old 07-29-2012, 02:44 PM
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They look like yellow painted factory Sachs/Boge struts to me...
Are there any part numbers visible? The M030 Konis on the 951S have part numbers radially in the strut body (though the Sachs/Boge probably do as well though the part number will tell you which struts they are), and the lower spring mounts are also adjustable. If these are Koni struts (I think there were non-height adjustable sport option Koni struts available) then they are likely a bit stiffer than the regular old Sachs struts.

Part numbers will tell you everything you need to know.
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'84 944 - gemini grau/tan+brown - lightly modified. purchased in 11-2001
'85.5 944a - indischrot/black - at least it handled well. mid 2001-mid 2004
'83 944 - zermatt silber/black - Dad's 40k mile time capsule. purchased in 09-1998 @ 18k
Old 07-29-2012, 06:01 PM
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Unfortunately there is no visible writing at all so no brand or part numbers are available. But if I am understanding correctly the stock Sachs/Boge struts didn't have a replaceable cartridge and if you look at the top of the strut housing where the cartridge comes out of there is a screw in top piece that seems to mean that these cartridges are replaceable but please correct me if I'm wrong.
Old 07-29-2012, 10:16 PM
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Does anyone know if these are stock or aftermarket?? I've found out that some of the stock ones may have had replaceable inserts so I guess there is a possibility that they could be stock but if anyone can shed light on this please do. Thanks.
Old 07-31-2012, 07:04 PM
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no porsche factory stock front shocks for the 944/951 had replaceable inserts.

can you provide photos of the top of the shocks, in the engine bay?
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Old 08-01-2012, 05:34 PM
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Those look like the M474 "Koni Sport" struts, not the M030 ones.

As Nize said above, none of the 944 Turbos have replaceable cartridges, even with that top screw in piece that you mention.

If you want to fix them, you will have to either send those out for a rebuild or buy the 1414 Koni inserts and do the "Hacksaw Conversion" to your set. At least with buying the 1414's you get a lifetime warranty.

Many threads on Pelican regarding this topic if you do a search.

Good luck,

Keith
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Old 08-13-2012, 12:05 PM
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Thanks Nize and KD. I found a pair of adjustable Koni's and decided to put them on the car. I'll probably hang on to theses just in case and maybe rebuild them at some point. I found a few useful threads on the hacksaw 1414 conversion that was very helpful. Did I hear somewhere that Paragon has a service that will do that for you if you ship them in?

I'm having them installed this weekend!! That's good news?..missed driving my baby!!
Old 08-18-2012, 12:28 AM
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Once removed I found that they were Koni KN2 struts. I might have them rebuilt or maybe I will have them converted with the hacksaw method. I there anyone out there that does the conversion for a reasonable price?

Thanks
Old 08-22-2012, 09:26 AM
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Look at Paragon's site, as this is somewhat their specialty.

Personally, doing the conversion is really no big deal, and I would just do it myself. Get your hacksaw out along with a measuring tape and a drill, and you should be good to go.

Paragon Products - Porsche Parts & Accessories - Koni, Pagid, K&N, Bilstein, Racers Edge, Weltmeister, Porsche suspension, porsche brakes, 911 parts, 944 parts, 968 parts, 914 parts, 930 parts, boxster parts, cayman parts, 968, cayenne

And here are the instructions:

http://www.paragon-products.com/kb_results.asp?ID=50

Of course you are now heading down that slippery slope for full coil overs, higher spring rates, bumpers and dust covers....

Good luck, Keith
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Old 08-22-2012, 09:41 AM
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Very easy to convert these struts, have done it many times....word of warning, when you drill into the bottom, make sure you have something (like a shop towel) to catch the oil, it's under pressure and can really make a mess. To convert both sides takes a few hours.

BTW, DO NOT remove that "flat piece" there is oil in the strut housing, it's under pressure and will give you and your workspace a complete oiling, those are not replacable strut housings.
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Last edited by 89-944NA; 08-22-2012 at 12:01 PM..
Old 08-22-2012, 11:58 AM
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Yeah thanks guys. I saw the link before and if I had garage space I'd probably try to tackle it but I don't. I see Paragon charges about the same for the conversion as Koni charges to rebuild. At least with the conversion it frees you up for any future problems to just use inserts so I am probably leaning the conversion way.

I did see that the oil is under pressure in the strut and it will give you a pretty good bath if you do it wrong!! lol.

Thanks for the info guys.

Last edited by motorscuba; 08-22-2012 at 05:13 PM..
Old 08-22-2012, 04:58 PM
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