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PostPosted: Sat Nov 24, 2018 8:00 pm 
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Light Pressure Turbo
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Joined: Mon Feb 27, 2012 7:28 am
Posts: 487
Location: Kenilworth, Warks.
Car Model: 2009 9-5 1.9TiD TE Auto Est.
So, MOT passed today with the following advisory "Shock absorbers light misting of oil or has limited damping effect Nearside rear [5.3.2(b)]", and a recommendation from the tester to change them before towing our caravan again.

So potentially an opportunity for an upgrade?

What does anyone recommend? From a quick look it appears that Bilstein B4's and B6's are available to use with the existing springs, and B8's with Maptun (-35mm) or Eibach (-30) springs. Only thought with lowering, is would the back get too low with the caravan attached, or is it a case that as the springs are stiffer, when loaded the car would end up at much the same height?

Currently the car has:-
Front Spring - CX - white/white - sport chassis
Rear Spring - FE - blue/yellow
Front Strut - 41 - purple
Rear Shock - 31 - purple

Also, does any one know approx cost to get springs ad dampers fitted, as I need to factor this into the equation. So would consider 2nd hand if anyone has any?

Finally, are there any spring, strut, damper differences between the estate and the saloon?

Thanks

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2009 9-5 1.9TiD Turbo Edition (+ Teapot remap)
1962 Ashley 750
2010 Suzuki Swift


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PostPosted: Sun Nov 25, 2018 11:18 pm 
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Put a SOC in it!
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Joined: Mon Feb 07, 2005 4:48 pm
Posts: 21716
Location: Fliptop Towers, North Yorks...the flat bit.
Car Model: One or two...
Bilstein B6 with standard "sports" springs. Or get a set of Eibachs and pair them with B8s....

Fitting is ~3-4 hours' labour plus a 4-wheel laser alignment. You may find you need a few extras like strut mount bearings and bushes while it's in bits though.

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9-5 Aero 600Nm FB3
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PostPosted: Mon Nov 26, 2018 12:10 am 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 39807
Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
The Eibach springs are "sort of" progressive. I say "sort of" because the top set of coils only open up when the back of the car is in the air. Under normal loading the top coils bind up, giving what is effectively a shorter spring.

The springs on the rear are different. The estate is heavier than the saloon at the back, so the springs are longer/stiffer, so the estate still sits level front to back.

Eibach springs unloaded.

Attachment:
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Eibach springs with car on the ground. Car empty.

Attachment:
Rear Hirsch - car empty.jpg
Rear Hirsch - car empty.jpg [ 55.7 KiB | Viewed 178 times ]

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PostPosted: Mon Nov 26, 2018 9:37 pm 
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Light Pressure Turbo
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Joined: Mon Feb 27, 2012 7:28 am
Posts: 487
Location: Kenilworth, Warks.
Car Model: 2009 9-5 1.9TiD TE Auto Est.
My oily rears.
Image Image

Still undecided on where to go with replacement dampers. Nice as it is, I don't think I want to spend lots of £ on the B8 / Eibach kit, and the B6 kit at around £465 is still quite high. PFS do Sachs dampers, rear at £58 and front at £95 for either standard or sports chassis. Would there be any advantage in replacing my standard Sachs dampers with sport chassis Sachs dampers? Martin at Jamsaab mentioned B4's but these get mixed reviews and apparently don't work well with the sports chassis, would they be worth considering for my standard chassis?

So much choice, and I am struggling to get my head around all the options / variations.

Measured from the wheel arches to the ground in line with the wheel centres and got the following:
Rear offside = 66cm
Rear nearside = 67cm
Front offside = 67.5cm
Front nearside = 66.5 cm

The drive is not perfectly flat, so that may have had a bit of an effect. How does this height compare with other 9-5 estate setups?

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2009 9-5 1.9TiD Turbo Edition (+ Teapot remap)
1962 Ashley 750
2010 Suzuki Swift


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PostPosted: Thu Dec 06, 2018 12:45 pm 
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Light Pressure Turbo
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Joined: Mon Feb 27, 2012 7:28 am
Posts: 487
Location: Kenilworth, Warks.
Car Model: 2009 9-5 1.9TiD TE Auto Est.
After a bit of thinking, decided not to go for an upgraded setup. Not sure I really want the car any lower with my creaky back, and I like the way it rides. So have just ordered 2 Bilstein B4's for the rear.

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2009 9-5 1.9TiD Turbo Edition (+ Teapot remap)
1962 Ashley 750
2010 Suzuki Swift


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PostPosted: Thu Dec 06, 2018 6:49 pm 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 39807
Location: SW Herts
Car Model: 9-5 Aero est. 9-3 Carlsson
The Bilsteins are supplied "bare". Only the bottom rubber bush and sleeve is fitted. You will need to order the rubber top bushes separately. Just the normal standard Saab ones. The originals on mine were stuck to the old dampers and a lot of rubber was left behind when removed. The dust sleeve and the rubber spring seat were fine. I bought new ones, just in case, but it was unnecessary.

Attachment:
DSC04851.jpg
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I fitted B8. Here's a new one, assembled, compared with the old worn out Hirsch one, with the rubber bits removed.

Attachment:
DSC04873.JPG
DSC04873.JPG [ 103.33 KiB | Viewed 71 times ]

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