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  #1  
Old 19th March 2009
neil neil orange peel neil neil orange peel is offline
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Default Info needed on Aero springs and swaybar link

Need to replace the shocks on my 2004 Arc wagon after 48k miles. I'm thinking the Bilstein HD's but this requires I swap out my springs for Aero springs. Problem is there are four different genuine Saab Aero springs at eeuroparts ranging in price from $50 to $80 and I can't find any information on the different specifications for each spring. Can I just use the least expensive spring since I'm going with an aftermarket shock? I seem to recall there was a member here with a '04 Arc who went with Aero springs. If you're out there, what did you use and did it work out well for you?

Also, have any of you had problems using those porn sized Moog swaybar links with the stock swaybar? I'm planning on swapping out the stock links with the Moog's when I do the struts.

Last edited by neil neil orange peel; 19th March 2009 at 10:39 PM.
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  #2  
Old 21st March 2009
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I did Aero springs with the HD's on the same car (04 Arc wagon).

Let me see if I can find the email from eeuroparts with the P/N from my install...hmm, nope. Just the price: In 2007 Dean from eeuro quoted me $62.90 ea for the fronts and $53.60 ea for the rears. He required the VIN and information from the data plate on the car prior to executing the order.
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Last edited by numbersix; 21st March 2009 at 07:19 PM.
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  #3  
Old 22nd March 2009
neil neil orange peel neil neil orange peel is offline
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Thanks. I'll give them a call and and see which ones they recommend.
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  #4  
Old 22nd March 2009
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hey no problems to report on the Moog sway bar links!
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  #5  
Old 23rd March 2009
sav_and_friends sav_and_friends is offline
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I am in the same boat… I am looking for Aero springs and Bilstein HD's. I just called eeuroparts and the gentleman on the phone couldn’t tell me which spring would work on the car. Apparently the information on the data plate wouldn’t help either.


Would anyone else know how to identify which spring would work with an 01 model year?


Much appreciated.
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  #6  
Old 23rd March 2009
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contact TW at thesaabsite.com and he could help you out.
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  #7  
Old 24th March 2009
sav_and_friends sav_and_friends is offline
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Thanks Toxicavenger. TW gave me a picture of the data plate breakdown. Now, my codes are as follows:

Front Spring: CR
Rear Spring: DK

Based on the eeuroparts site 2001 Aero springs show the following codes:

Front:
· CG, CK;
· CH, CL;
· CJ, CM, AT.

Rear:
· DE;
· DF, BL, DC.

Based on the codes, I can't match them. Does anyone know which one will work with my car?

Also, does anyone know what the differences are between the Aero sprigs?

Any help is greatly appreciated.
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  #8  
Old 24th March 2009
neil neil orange peel neil neil orange peel is offline
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I spoke with someone at Bilstein and he said there is no need to change out the springs to Aero's since the hd's were designed specifically for standard factory springs like in the linear and arc models . I mistakenly assumed the Aero springs were a requirement when using the hd's because several others on this board had used that combination exclusively. Kind of a relief really.. the roads are absolute **** here and because I drive a lot in San Francisco I'd more than likely tear off the front end of my car if it was any lower. Now I just need to decide if I install these before or after a 2,000 mile roadtrip I have planned for the end of April.
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  #9  
Old 25th March 2009
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it would defintitely make the ride more enjoyable if you had a good suspension to absorb some of the bumps. and in return your body won't be absorbing as much.
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  #10  
Old 25th March 2009
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Seattle roads are quite poor as well--believe me.

The Aero springs, when combined with the Bilsteins, don't lower the car appreciably. The Aero spring rates make a good match with the Bilstein HD's. It's firm but not terrible with the OEM 17's running ~36psi. Move up to 40psi and it gets notably more harsh. The OEM 16's with 55 series tires are totally comfortable.
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  #11  
Old 25th March 2009
sav_and_friends sav_and_friends is offline
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When I was in the local Toronto shop looking at prices for Bilstein HD’s, the guy could only find them under the Aero model. Which makes me believe it should only be used with Aero springs. Aero springs make the car 1cm or just less than ½ inch lower. I am not sure how shocks will react with 1cm longer springs. If you decide to do it, please do let us know how it works out.

Thanks.
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  #12  
Old 25th March 2009
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The amount of lowering and stiffening done by the Aero springs is negligible to the shocks. It's a very well damped setup, which is comfortable yet controlled. With your stock anti-roll bars it should be more forgiving as well.

On the other hand, Valbowski runs HD's on his LPT springs, and he likes it. Either way your car will be WAYYY better with Bilsteins than with your stock shocks.
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  #13  
Old 25th March 2009
rcase13 rcase13 is offline
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so if I understand it... For those of us with LPT 9-5s that want better suspension but still want a compliant ride the Aero springs with Bilstein HDs is a good way to go?

If so the next question is where do US owners go to get the Bilstein HDs? I see shocks for sedans but not wagons.

We really need a spreadsheet that has all this information in it.
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  #14  
Old 25th March 2009
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There are no wagon specific shocks, other than the stock ones. Bilsteins and Konis will work fine on a wagon. I got my HDs from shox.com for a good price.

The Bilstein HD + Aero setup is sporty but compliant. It rides over bumps quickly, with solid damping, so you don't end up riding the bump up and down. The stock suspension absorbed bumps, but put you on a bouncy, crashy, under-damped ride afterwards.

If you're looking for comfort, Koni FSDs are a good alternative. They are better at absorbing quick bumps, but softer and less performance oriented overall than the Bilsteins.
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  #15  
Old 25th March 2009
rcase13 rcase13 is offline
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Quote:
Originally Posted by stipud
There are no wagon specific shocks, other than the stock ones.

I got mine from shox.com for a good price.

Yes, the Bilstein HD + Aero setup is sporty but compliant. If you're looking for comfort, Koni FSDs are a good alternative.
Ah that helps and explains why I can't find shocks for wagons. So will there be any issues with carrying loads in the back? I'd love to hear from others with wagons and Bilstein HDs.
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  #16  
Old 1st April 2009
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Quote:
Originally Posted by rcase13
Ah that helps and explains why I can't find shocks for wagons. So will there be any issues with carrying loads in the back? I'd love to hear from others with wagons and Bilstein HDs.
Not that I've noticed. I take the car camping a few times each summer and occasionally haul 2-300lbs worth of stuff here and there.

Let's put it this way: the stiffer Aero + Bilstein setup is FAR more suited to carrying heavy loads than the marshmallow-soft OEM Arc setup was. With OEM 17" wheels installed, it would bottom out and crash into big road imperfections with just the driver aboard; it felt much more unstable with 3-4 people in the car or a load in the back, especially at highway speeds.
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  #17  
Old 1st April 2009
chk chk is offline
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I recently installed HD's on my '01 95 LPT. They work fine with the standard springs. I got them through either eshocks.com or shox.com. And they are each doing a buy 3 get the fourth shock free. You do have to order the correct ones as the 2001 year is separated by early '01 and late '01. Use your vin to see when your car was manufactured.

I am going to install stiffer springs and SAS sways as even with the HD's there is still body roll and I like a stiffer more controlled ride.
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  #18  
Old 2nd April 2009
MI-Roger MI-Roger is offline
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Default Part Numbers for Stock Springs

Quote:
Originally Posted by sav_and_friends
Thanks Toxicavenger. TW gave me a picture of the data plate breakdown. Now, my codes are as follows:

Front Spring: CR P/N 50 62 310
Rear Spring: DK P/N 50 62 377

Based on the eeuroparts site 2001 Aero springs show the following codes:

Front:
· CG, CK;
· CH, CL;
· CJ, CM, AT.

Rear:
· DE;
· DF, BL, DC.

Based on the codes, I can't match them. Does anyone know which one will work with my car?

Also, does anyone know what the differences are between the Aero sprigs?

Any help is greatly appreciated.
See P/N's above
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  #19  
Old 7th April 2009
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S2kHEAVEN S2kHEAVEN is offline
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So is it safe to assume that the HD's will work with Eibach springs?
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  #20  
Old 7th April 2009
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Quote:
Originally Posted by S2kHEAVEN
So is it safe to assume that the HD's will work with Eibach springs?
Raven had Eibachs with HD's, and thought it was underdamped, so he switched to Bilstien Sports for a much firmer ride. Then again some people use Eibachs with the waaaay softer Koni FSDs, and love them.

So you could probably get away with it, but really, they work so well with Aero springs you don't really need to spend the cash on aftermarket.
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