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APL911
Silverstone


Joined: 15 Aug 2017
Posts: 111



PostPosted: Tue Dec 05, 2017 2:55 pm    Post subject: 996 lower control arm diy replacement Reply with quote

Hello.

I am going to replace the lower control arms on my 996. Looks fairly straight forward and have a very experienced mechanic helping me.

However I need to order a ball joint splitter. Can anyone tell me what size the ball joints are? (If not I’ll just measure them when I get home)

Thanks in advance. Thumb
 
  
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Martin996RSR
Silverstone


Joined: 08 Dec 2016
Posts: 116



PostPosted: Tue Dec 05, 2017 3:32 pm    Post subject: Reply with quote

I'm not sure what size they are, but ball joint splitters are generally universal. I use a bog standard tuning fork type to split mine.
 
  
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Demort
Estoril


Joined: 21 Mar 2015
Posts: 3500
Location: Sussex


PostPosted: Tue Dec 05, 2017 4:43 pm    Post subject: Reply with quote

This has been asked before and i think the jaw width needs to be either 22 or 25 mm .. i tryed searching but cant find it .

i just use the snap on ball joint splitter .. tunning forks are fine but can damage the rubber boot so no good if you are refitting it .
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APL911
Silverstone


Joined: 15 Aug 2017
Posts: 111



PostPosted: Tue Dec 05, 2017 6:07 pm    Post subject: Reply with quote

Thanks guys.

I’ll look for one around 25mm.
 
  
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pooga
Trainee


Joined: 03 Aug 2014
Posts: 72



PostPosted: Tue Dec 05, 2017 6:49 pm    Post subject: Reply with quote

24 mm - This one fits 996 C4S - KS Tools 700.561 Ball Joint Separator, 0-55mm

http://911uk.com/viewtopic.php?t=121011
 
  
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Demort
Estoril


Joined: 21 Mar 2015
Posts: 3500
Location: Sussex


PostPosted: Tue Dec 05, 2017 6:55 pm    Post subject: Reply with quote

pooga wrote:
24 mm - This one fits 996 C4S - KS Tools 700.561 Ball Joint Separator, 0-55mm

http://911uk.com/viewtopic.php?t=121011


Thats the dam post i was searching for .. sigh .. im getting old i think Very Happy
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wasz
Kyalami


Joined: 28 Dec 2012
Posts: 1865


1999 Porsche 996 Carrera 2

PostPosted: Tue Dec 05, 2017 7:14 pm    Post subject: Reply with quote

Be prepared to cut the bolts off (especially on rear eccentric bolts, fronts likely OK).

Galvanic corrosion means the bolts seize into the bushes with no hope of extraction.

Some kind of cutting disc or reciprocal saw needed.

You will likely need a full geo setup afterwards.
 
  
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APL911
Silverstone


Joined: 15 Aug 2017
Posts: 111



PostPosted: Tue Dec 05, 2017 8:06 pm    Post subject: Reply with quote

Cheers fellas. Thumb

I’ll borrow a grinder and slitting disc from work....
 
  
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Jamesx19
Monza


Joined: 10 Jul 2015
Posts: 200
Location: Brighton


PostPosted: Tue Dec 05, 2017 9:46 pm    Post subject: Reply with quote

You'll never get anywhere near the bolt with a grinder. You either need an air saw or one of these:



and a lot of patience!

Good luck
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MisterCorn
Zolder


Joined: 08 Jan 2011
Posts: 5384
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Tue Dec 05, 2017 10:08 pm    Post subject: Reply with quote

My efforts here, it looks like I need to update some photos tomorrow.

http://911uk.com/viewtopic.php?t=116990

MC
 
  
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wasz
Kyalami


Joined: 28 Dec 2012
Posts: 1865


1999 Porsche 996 Carrera 2

PostPosted: Wed Dec 06, 2017 7:20 am    Post subject: Reply with quote

good opportunity to check all the pther arms out.

my rear upper link bushes were shot too

i had done rear track arms previous, so i did the forked arms too to make a complete set.

you can get non-genuine rear upper links now which brings the cost down, i used low mileage 997 arms.
 
  
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APL911
Silverstone


Joined: 15 Aug 2017
Posts: 111



PostPosted: Wed Dec 06, 2017 8:23 am    Post subject: Reply with quote

Thanks. This info could be a life saver!

I’ll get a mini hack saw I thinks....
 
  
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Martin996RSR
Silverstone


Joined: 08 Dec 2016
Posts: 116



PostPosted: Thu Dec 07, 2017 10:40 am    Post subject: Reply with quote

I assumed you were doing the fronts rather than the rears. If you're doing the rears then I wish you luck. As others have said, the bolts sieze terribly. I used Cillit Bang to dissolve some of the corrosion before adding WD40 and cutting and heat and drills. Not fun.
 
  
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APL911
Silverstone


Joined: 15 Aug 2017
Posts: 111



PostPosted: Thu Dec 07, 2017 1:21 pm    Post subject: Reply with quote

Doing both from and rear. Surprised
 
  
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Jamesx19
Monza


Joined: 10 Jul 2015
Posts: 200
Location: Brighton


PostPosted: Thu Dec 07, 2017 1:29 pm    Post subject: Reply with quote

It's ok, just time patience and a few good quality hacksaw blades.
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wasz
Kyalami


Joined: 28 Dec 2012
Posts: 1865


1999 Porsche 996 Carrera 2

PostPosted: Thu Dec 07, 2017 2:43 pm    Post subject: Reply with quote

Don't fanny around with hacksaw blades, I did that took me absolutely ages.

A tip I read somewhere (after doing the job) is to use a drill to drill through the coffin arm and bolt as near to the edge of the arm as you can get. Do it at either end, bits of remaining bolt should come out then.

Otherwise ... reciprocal saw? careful of your subframe though.
 
  
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Demort
Estoril


Joined: 21 Mar 2015
Posts: 3500
Location: Sussex


PostPosted: Thu Dec 07, 2017 7:22 pm    Post subject: Reply with quote

How ever you do it just dont put any sideways force on it .. so no levering and no trying to knock out the bolt with hammer/punch ..

The subframe just isnt strong enough for that .

I use an electric saw at work .. either way its not a pleasent job when they seize .
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MisterCorn
Zolder


Joined: 08 Jan 2011
Posts: 5384
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Fri Dec 08, 2017 8:11 am    Post subject: Reply with quote

If it is of any help to anybody, I have updated the photos on my previous post now so that they don't use photobucket.

http://911uk.com/viewtopic.php?t=116990

MC
 
  
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crash7
Monza


Joined: 28 May 2011
Posts: 246



PostPosted: Fri Dec 08, 2017 11:30 am    Post subject: Reply with quote

As already stated, no two ways about it, its a b*tch of a job that is awkward and will take time regardless of the method used.

Lots of methods suggested and I wish I had this info before doing mine, I settled on the hacksaw which took an age, I died a little inside

When cutting, and losing your patience because it taking so long Mad be careful to only cut the bolt and arm and not the subframe, and when reinstalling the bolts cover the section that sits in the bush with grease.

May the force be with you Thumb
 
  
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APL911
Silverstone


Joined: 15 Aug 2017
Posts: 111



PostPosted: Fri Dec 08, 2017 7:03 pm    Post subject: Reply with quote

I’ve just realised. If I’m going to be cutting the pins out, I will need to order new ones! Any ideas of cost or best place to buy? Design 911?
 
  
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