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Joined: 13 Jan 2008
Posts: 680
Location: Beds

1996 Porsche 993 Targa

PostPosted: Wed Aug 24, 2011 10:32 pm    Post subject: Like for like suspension change Reply with quote

Finally completed my new suspension swap, its taken a while....5 months!

I,m blaming my new daughter and putting my back out!

I started the strip down just after the Waddeston meet, a few things needed looking at, the wishbone bushes were shot....the car was almost undrivable, despite just passing an MOT!

Also, I managed to get the original genuine Porsche M033 kit at their special price...£450, sadly they have now stopped this deal!

As mine has the original M033 and has done 75K miles I felt it was time to refresh it.

Finally the calipers needed a once over to stop any plate lift probems re-occouring.

I decided to build up new struts using genuine parts, and replace all bolts, all the nuts removed had to be replaced anyway as they are single use type. All the suspension mounts were also replaced.

Jackals site is the best guide although I did a couple of things differently.

Pics below:

This is what it looked like at the start:

I decided to split the brake lines instead of slotting the bracket on the damper, close up of joint here, note the corrosion, if you do this expect to replace the pipes as the nipples will probably be seized!

The entire hub was removed and stripped down

If the discs dont come off use 2 M8 bolts to push them off the carrier, its described in the manual

This is the naked hub, before and after cleaning

Removing the rear struts was a nightmare! Not helped by me parking the car too close to a tree..dohhh!

Remove the air filter cover and the heater blower to reach the top mounts, and I thought Minis were tight for space!

You have to remove the bottom arm, its much easier if the car is higher off the ground! mark the position of the eccentric first.

Access to the nuts on the adjusting eccentrics is hard, remove this bolt, it will let you move the duct out of the way so you can get a socket on it.

Brake discs were ok, just needed cleaning with a cup wire brush on an angle grinder: here is the rear, before and after:

The calipers were ok, all the plates were removed and cleaned, mating surface with the caliper was coated in high temp grease, removing the plates is a pain, but worth doing.

Heres what you get with the suspension kit, dampers and springs...nothing else!!! I bought all new parts from Type 911 and Design 911, I cleaned up the bottom support plates as they were out of stock everywhere!

New parts laid out as per PET

Assembled struts, rears, note the colour coded springs that must be matched with a correct thickness spacing washer

Wishbone bushes were replaced with black Powerflex ones, easy job, I had the wishbones water grit cleaned, all the balljoints were fine, only the nuts needed replacing.

Arm refitted, being torqued up.

I made my own "Hazet" socket for the front struts, modified spark plug socket with an angle grinder

Tightening top strut nut

Close up

Strut fitted, adjusting bottom nut with C spanner

Rear strut fitted, I was going to do a Jackal style full clean up, but I gave up!

Parts replaced! I lost count but its around 100!

All done!

I set the camber and caster by basic measurement.

Last things are, proper geo checkand ride height adjustment, just in case your wondering I did double check the part numbers of the springs and struts, they are M033! But it is higher than it should be at the moment!

Finally whats it like?

Chalk n Cheese, Black n White, Night n Day Very Happy Very Happy

Drives like shes on rails!

Very happy bunny!

Edit to add Word doc with parts list

P.S Thanks to OPC Hatfield for parts support, Type 911 and Design 911 were also great!

MOD: moved to FAQ for ease of future reference
"They don't tell me nuthin"
Targa gone!!
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Long Beach

Joined: 01 Jan 2007
Posts: 6762

PostPosted: Thu Aug 25, 2011 6:45 am    Post subject: Reply with quote

Nice project Mark great write up

I guess you could have used a ring spanner on those top mounts as another method of getting on and off Question

I have to do this on the 964 in the next few weeks Grin
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Joined: 22 Aug 2010
Posts: 2589
Location: Hertfordshire

1997 Porsche 993 Carrera 2S

PostPosted: Thu Aug 25, 2011 7:57 am    Post subject: Reply with quote

Thanks for the write up Mark Thumb . I'm sure it will come in very handy at some point in the future.
1997 993 Carrera S

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Zuffenhausen :O)

Joined: 15 Mar 2009
Posts: 2848
Location: Hampshire

PostPosted: Thu Aug 25, 2011 8:42 am    Post subject: Reply with quote

Nice work. Thumb
If you can keep your head whilst all those around are losing theirs you obviously haven't grasped the seriousness of the situation!

993 C4 Varioram Coupe
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Joined: 09 Oct 2010
Posts: 1825
Location: Rural Essex..

1996 Porsche 993 Carrera 2

PostPosted: Thu Aug 25, 2011 9:01 am    Post subject: Reply with quote

Brilliant write up well done. worship
I noticed thet you made a comment about a word doc with all the part numbers? Can I have copy at some stage?
Also, for people who are not able to (or don't want to!) Modify a spark plug socket, you can buy one of these from Ebay. It's a 21mm Ford diesel injector socket. It should fit OK. Cost's about a tenner or so.
I wish they were still doing that suspension deal at the OPC, I would be down there today. Rolling Eyes
Previously enjoyed Porsche:
1996 C2 Coupe.
1983 911 Carrera Targa Sport.
1981 911SC Sport.
1978 911SC.
1970 911E.

I have CDO. It’s like OCD, but the letters are in alphabetical order, LIKE THEY ARE SUPPOSED TO BE..

Aircooled or nothin....
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Donuts For Windows

Joined: 13 Mar 2008
Posts: 9612
Location: West Sussex

PostPosted: Thu Aug 25, 2011 9:34 am    Post subject: Reply with quote

Superb write-up - thanks for posting all of that.

Amazingly satisfying to do such jobs yourself, AND you know that every bleed nipple has been bled properly, every nut tightened correctly, and all the new parts actually used. Thumb

This to me is where 'home' mechanics not only results in a better car, but also should increase its value.
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Helsinki Paul

Joined: 26 Oct 2009
Posts: 512
Location: Finland

PostPosted: Thu Aug 25, 2011 9:42 am    Post subject: Reply with quote

Nice work Mark, thanks for the write up!
Good to read you've recovered from the hot tub injury.Grin
Give me a bell next time you're in town.
Cheers Thumb
1995 C4 Polar silver
2006 Range Rover V8 Vogue
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Joined: 13 Jan 2008
Posts: 680
Location: Beds

1996 Porsche 993 Targa

PostPosted: Thu Aug 25, 2011 5:42 pm    Post subject: Reply with quote

Cheers guys!

I wondered why it appeared in FAQ's! It was getting late when I posted+a little cider, I thought I'd posted it in the wrong place!

I'll try to attached the parts list again.

Just come back from a 300 mile wringing out trip! Pleased to report that she is rock steady in the rain! Sunny later, so roof open to end with Very Happy

Next jobs, service, geo, rear tyres, bit of paintwork and...possibly up for sale
Sad but not decided yet.

P.S. Yes Paul the hot tubs great
"They don't tell me nuthin"
Targa gone!!
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