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Redline Racer
Join Date: Jan 2007
Posts: 2,444
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replacing strut insert on a 924S
How hard is it to replace the strut inserts on my struts. Is it just a matter of unscrewing the endcap and pulling the old insert out/sliding the new one in? Are there any compatibility problems to know about? I'm thinking of getting the Bilstein inserts sold here on Pelican.
http://www.pelicanparts.com/catalog/shopcart/944M/POR_944M_SUSshk_pg1.htm#item0
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1987 silver 924S made it to 225k mi! Sent to the big garage in the sky |
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05-17-2007, 10:11 PM
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Registered
Join Date: Nov 2004
Location: Charleston, SC
Posts: 2,357
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1 - Remove the strut / spring as an assembly.
2 - use a spring compressor (CAREFULLY) to compress the spring 3 - Remove the big nut at the top of the assembly 4 - Replace strut insert 5 - Reinstallation is the reverse of removal. |
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05-18-2007, 05:09 AM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Scribe, paint, scratch the bottom of the shock assembly where it bolts. You want to keep your front wheel alignment as close as possible. The assembly should have a couple ounces of oil in the tube. Plan to replace or salvage, filter and reuse. You do need a spring compressor or a solid DIY. I save the old chrome strut shafts for future projects.
John_AZ 1988 924S 1987 924S
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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05-18-2007, 09:27 AM
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Politically Incorrect
Join Date: Aug 2005
Location: Hoover, Alabama
Posts: 1,497
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Quote:
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Edek '87 924S '91 535i |
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05-18-2007, 12:56 PM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Yard art or if someone breaks off my antenna, I can screw in the threaded end to the fender and tape the radio coax to the shaft. I get alot of my ideas from PBS, "The Red Green Show". Those Canadians are a hoot. I also think they gave another inventor the idea of the "Phone Dial Barbeque".
John_AZ
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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05-18-2007, 03:51 PM
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Politically Incorrect
Join Date: Aug 2005
Location: Hoover, Alabama
Posts: 1,497
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LOL, or if you had a welder, you could make really really stiff shocks!
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Edek '87 924S '91 535i |
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05-18-2007, 05:29 PM
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Registered
Join Date: Feb 2001
Location: Buzzards Bay, Ma, USA
Posts: 620
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Red Green is my role model....."If the women don't find you hansome, they'll at least find you handy"
When I did my inserts I couldn't get the caps off without destroying them. Had to buy two struts from the bone yard. Good luck Jon
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87 924S 82 924-Gone. 80 924 parts car-Gone. |
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05-18-2007, 06:35 PM
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Redline Racer
Join Date: Jan 2007
Posts: 2,444
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Quote:
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1987 silver 924S made it to 225k mi! Sent to the big garage in the sky |
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05-18-2007, 06:59 PM
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Politically Incorrect
Join Date: Aug 2005
Location: Hoover, Alabama
Posts: 1,497
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A little bit is supposed to be added, before you drop in the cartridge, to fill the void between the cartridge and strut housing. It's to help with heat dissipation (thermodynamic coupling to the strut housing). I'm not sure if you need it for high pressure gas charged strut inserts. It can't hurt anything if you add it, but don't put too much in because it will ooze out of the top of the strut housing due to thermal expansion. Might fool you into thinking your new struts leak! People have used a variety of exotic fluids for this purpose, but a light oil or hydraulic fluid or even straight antifreeze should be OK. Don't use brake fluid as it absorbs water and could cause corrosion.
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Edek '87 924S '91 535i Last edited by onZedge; 05-18-2007 at 08:24 PM.. |
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05-18-2007, 08:17 PM
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Certified Rennwerker
Join Date: Oct 2002
Location: Kansas
Posts: 1,906
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Will be a great benefit to use an air gun on the top strut nut! Speed/torque are needed on this nut. As far as the oil goes just dump what is in the old housing and save it so you know how much to put back in. I use ATF.
Dal
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PCA " I've been everywhere, done everything......just can't remember any of it!" 
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05-19-2007, 01:14 AM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Bilstein inserts are a good upgrade choice. I use Boge F/R and match with Yokohama AVID (87) and A378 (88). No vibration, good cornering, quiet and smooth ride. "Corners like it's on rails!" she says while accelerating.
John_AZ 1988 924S 1987 924S
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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05-19-2007, 08:05 AM
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Redline Racer
Join Date: Jan 2007
Posts: 2,444
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Thanks everyone.
 I know about the air wrench part. I've done struts before, just not these. The other good thing about the Bilsteins is they come with a lifetime waranty.
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1987 silver 924S made it to 225k mi! Sent to the big garage in the sky |
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05-19-2007, 08:28 PM
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meister member
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Keep us posted on your progress. I need to do struts/shocks all around on my 83 and I may go the route you are going.
Speedy 
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1983 944 guards red with 16" Fuchs, Host of Wisconsin area timing/ balance shaft belt tensioning party 1987 944S Purchased from Legion. Corvette LT-1 V-8 conversion with Mega Squirt II Check on progress ---> www.porschehybrids.com/gallery/speedracing944 Favorite Road = www.tailofthedragon.com 318 turns in 11 miles (11 min 20 sec best run) |
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05-24-2007, 06:18 AM
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Redline Racer
Join Date: Jan 2007
Posts: 2,444
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I will. It depends on whether or not I get them for my birthday. If I don't, It'll be a while...
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1987 silver 924S made it to 225k mi! Sent to the big garage in the sky |
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05-24-2007, 08:59 AM
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Registered
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How much is involved in removing the assembly in the first place? Do you have to disconnect the sway bars etc?
Never got round to replacing the shocks on my old 924, but tempted to get another one and you can almost guarantee they'll be gone after 20 years or so.....
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(ex) 1989 924S |
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05-25-2007, 04:05 AM
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Certified Rennwerker
Join Date: Oct 2002
Location: Kansas
Posts: 1,906
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For those who are short on suspension knowledge you will be able to answer many of your questions if you would read the section on this repair at www.clarks-garage.com
Dal
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PCA " I've been everywhere, done everything......just can't remember any of it!"
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05-25-2007, 05:14 AM
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Jeez. That really is simple. Had to remove the wishbones to do it on my MX5!
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(ex) 1989 924S |
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05-25-2007, 05:39 AM
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