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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Sat Mar 30, 2019 10:05 pm    Post subject: lack of damping? Reply with quote

The front end feels a bit "jiggly" and a little uncontrolled.
the shocks are original and the car's done 65k
there's no sign of leaks / damp around the shocks.
The "secondary spring" / bump stop is split on one side, but the bushes etc all look fine.
The "jiggliness" doesn't feel like it's more on one side than another.

The rear shocks were replaced last year (one lost its fluid)
When that went, it didn't feel like this, it was more of a lurch under harder cornering.

So does anyone have experience and / or advice? how do I test the shocks? Or could it be the top mount / bearing?

Please don't just say "go to CoG!" as that would be uneconomical; / unfeasible for me :p besides, I like fixing shizzle myself Smile
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asterix_the_gaul
Barcelona


Joined: 20 Dec 2008
Posts: 1253
Location: Cheshire

1999 Porsche 996 Carrera 2

PostPosted: Sun Mar 31, 2019 7:25 am    Post subject: Reply with quote

Could be shocks/top mounts but my money would be on coffin arms if they are original. Getting in the air and checking for play in any joints by putting a bar on them and seeing if they move.
The actual parts for a front end refresh are not wildly expensive if buying pattern parts it's labor and geo that start to add up
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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Sun Mar 31, 2019 11:25 am    Post subject: Reply with quote

Coffin arms were a consideration, but don't they creak when they go?
There wasn't any movement last MOT in May - but obviously they could have gone since!
they are pretty cheap for pattern parts though, labour would be free as I can do the work, geo is about £100
It would be a faff to change them and still have the issue though!! Hand
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asterix_the_gaul
Barcelona


Joined: 20 Dec 2008
Posts: 1253
Location: Cheshire

1999 Porsche 996 Carrera 2

PostPosted: Sun Mar 31, 2019 1:27 pm    Post subject: Reply with quote

Yes, if I was going to do the job (if I had the ability) I'd probably think about a refresh with new shocks top mounts bump stops coffin arms etc. Most bits are relatively cheap from autodoc
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1992 944 S2 Cabriolet, Cobalt Blue/Classic grey -gone!
1995 993 C2 Cabriolet, Midnight Blue/Marble grey -gone!
1999 996 C2 Coupe, Ocean Blue/Graphite grey
2002 E46 M3 Cabriolet, Laguna seca blue/LSB
 
  
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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Mon Apr 01, 2019 9:09 pm    Post subject: Reply with quote

started pricing up the parts today.
£145 in nuts and bolts ALONE. Surprised
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MisterCorn
Long Beach


Joined: 08 Jan 2011
Posts: 6847
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Mon Apr 01, 2019 9:20 pm    Post subject: Reply with quote

I know what you mean. Many a time I have come away from my OPC with a small mix of parts and a big bill. Some parts like plastic clips are crazy cheap, but if it has metal in it it is going to cost. I do use non-Porsche bolts for standard stuff, but there are enough odd size bolts tgat you have no choice. Most bolts simply don't need changing, just nice to fit new ones I guess.

MC
 
  
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Marky911
Indianapolis


Joined: 04 Jun 2009
Posts: 2262



PostPosted: Tue Apr 02, 2019 5:34 am    Post subject: Reply with quote

Too right about the parts.
Many a time I’ve priced a project up yet it’s come it at double by the time I’ve bought the genuine fasteners and things. Bit annoying but as you say Martin it just feels right to fit new everything.

I wish I could be more like Ed China and fit rusty bolts back onto to lovely new parts. Grin


I still think shocks by the way. I just know that feeling you’re on about, the jiggly-ness and lack of confidence. It’s always been down to shocks for me but I could well be wrong. I often am. Wink
 
  
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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Tue Apr 02, 2019 7:37 pm    Post subject: Reply with quote

the real reason for replacing the bolts?
I can pretty much guarantee that I'll break a few! nooo

But..
hexagon flanged nut M14 X 1,5 @ £1.91 +VAT each?!
For a nut?
Think I might have a shop around.....
Current parts cost for the front is £870.41
which is for pretty much everything bar the spring.
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wasz
Sepang


Joined: 28 Dec 2012
Posts: 2902


1999 Porsche 996 Carrera 2

PostPosted: Wed Apr 03, 2019 9:26 am    Post subject: Reply with quote

Halcyon wrote:
the real reason for replacing the bolts?
I can pretty much guarantee that I'll break a few! nooo

But..
hexagon flanged nut M14 X 1,5 @ £1.91 +VAT each?!
For a nut?
Think I might have a shop around.....
Current parts cost for the front is £870.41
which is for pretty much everything bar the spring.



The only ones I destroyed doing mine were the eccentric adjuster bolts x 4 on the rear (I reused the nut and washer) and the front strut drop link serves as a bolt to hold the shock in.

Buy them from your local OPC and ask for a discount.

Try carnewal for shocks and springs. Bilstein B4 are the OE shock but Koni special active are well rated and Eibach springs are good.
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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Mon Apr 08, 2019 7:30 pm    Post subject: Reply with quote

Question about compressing the front springs?
As they are an odd pyramid shape, is there a particular type of compressor that has to be used? Any tips for doing them right / safely?
ta.
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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Tue Apr 16, 2019 6:34 pm    Post subject: Reply with quote

Help!
What's the difference between the part numbers;
99634104306
and
99634104303
That are both described as "Track control arm" the 303 number is used on autodoc and 306 is used on design911

there are two Meyle part numbers:
416 050 0024
416 050 0004
One is £98, the other is £62 from Autodoc..

Spareto lists the cheaper Meyle arm for both the 303 & the 306 numbers.. ebay lists both arms..


Any clues?
I want them for the front of my 2002 C4
Heeeeelppp!!!!
frustrated
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ragpicker
Estoril


Joined: 14 Apr 2013
Posts: 3949
Location: North East England


PostPosted: Tue Apr 16, 2019 8:18 pm    Post subject: Reply with quote

The difference is the 306 part is a newer revision. The 303 part is an older part number (and older design of the same part).

Searching either will give you a product which fits.

Thumb
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Halcyon
Imola


Joined: 02 Nov 2015
Posts: 805
Location: Somerset


PostPosted: Tue Apr 16, 2019 8:46 pm    Post subject: Reply with quote

Thank you ragpicker Thumb
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