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Old Mar 25, 2013 | 09:01 PM
  #16441  
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As much as multi-link designs bother me (why so many moo-ving parts), and as much as it pains me to say something nice about Audi, I do kind of like the design that 2GR posted.

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Old Mar 25, 2013 | 09:11 PM
  #16442  
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errybody so jelly of mah rear suspensions:

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Old Mar 25, 2013 | 10:11 PM
  #16443  
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Pt 1:




Pt 2:

Here is a typical rear suspension from a common pickup truck:



One of the shock absorbers is mounted (at the bottom) to the rear of the axle tube, and the other is mounted to the front of the axle tube.

Can someone please explain to me why this is? It bothers me every time I see this on the road.
Old Mar 25, 2013 | 11:41 PM
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I believe that's a 3-link setup, and they're used to help keep it from rotating, something a 4-link does a better job of. I could be completely wrong though.

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Old Mar 25, 2013 | 11:45 PM
  #16445  
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Axle wrap would be my guess.

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Old Mar 26, 2013 | 12:06 AM
  #16446  
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Axle wrap. Makes perfect sense.

Old Mar 26, 2013 | 04:41 AM
  #16447  
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Originally Posted by curly
I believe that's a 3-link setup, and they're used to help keep it from rotating, something a 4-link does a better job of. I could be completely wrong though.
Thats a torsion bar setup. Biggest garbage system out there since you get a mile of bump steer. This is a 3 link. As you see the top link is solid, usually they are in a triangle like the bottom pic. In my opinion that is better than the 4 link setup.



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Old Mar 26, 2013 | 06:28 AM
  #16448  
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Originally Posted by 2ndGearRubber
Positive camber gain is inherent in the strut design. Personally, I don't think it can be designed out. However, based on the way the steering-angle inclination is designed, and the new lower mount attachment in relation to the knuckle, I would be swaying towards saying positive camber gain would be less than a traditional Mc-strut. Again, I have nothing to prove this, just my take on the new design.


Audi is using the below suspension now, multi-link front. Finding and replacing ball joints in that mess will be a pain in the ***.

You don't replace ball joints, you replace all control arms and inner and outer tierods at once. God help you if you don't do them all at once because that sonofabitch will start to clunk again in a month or so. Have fun with the pinch bolt, it's an adventure.


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Old Mar 26, 2013 | 12:34 PM
  #16449  
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Originally Posted by oilstain
You don't replace ball joints, you replace all control arms and inner and outer tierods at once. God help you if you don't do them all at once because that sonofabitch will start to clunk again in a month or so. Have fun with the pinch bolt, it's an adventure.


Except most customers refuse to do that. Otherwise I'd be putting in a water pump with almost every timing belt. They fix what's broken, wait for the rest to fail. Timing belt snaps, they skip the WP, they come in 20k later bitching about a failed water pump nose bearing.

Although with the system having so many moving parts, I would no be surprised if one failure leads to subsequent failures in a domino effect. I'm sure slop in one ball joint will lead to wiping out everything else in short order.





I was more referring to the difficulty of determining which ball joint is bad, with both being located so close together. I'll probably just lift the the car up a 1/4 inch, stick a pry-bar under the tire, and do the wiggle test, just like on a pickup.


Attached Thumbnails The AI-generated cat pictures thread-431112d1331412150-w124-front-suspension-safety-critical-bentmerc.jpg  
Old Mar 26, 2013 | 01:27 PM
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this is for joe:

http://www.smbc-comics.com/comics/20110423.gif
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Old Mar 26, 2013 | 01:31 PM
  #16451  
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you got to be kidding me.



Last edited by Joe Perez; Mar 26, 2013 at 01:33 PM. Reason: You know why.
Old Mar 26, 2013 | 01:37 PM
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What is this, a comic strip for ants?!

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Old Mar 26, 2013 | 02:12 PM
  #16453  
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Old Mar 26, 2013 | 05:36 PM
  #16454  
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Originally Posted by Braineack


fixed, maybe? i dont even know the rulez
Attached Thumbnails The AI-generated cat pictures thread-src_1340506006268.jpg   The AI-generated cat pictures thread-src_1340506006268_zpsec0f18ad.jpg  

Last edited by Full_Tilt_Boogie; Mar 26, 2013 at 08:14 PM.
Old Mar 26, 2013 | 07:23 PM
  #16455  
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DR's, full body weight and still IRS. lol

Dat wheel lift. Perfect carry, good lord.

Old Mar 26, 2013 | 09:11 PM
  #16456  
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Old Mar 26, 2013 | 09:27 PM
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Old Mar 26, 2013 | 09:40 PM
  #16458  
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Old Mar 26, 2013 | 09:49 PM
  #16459  
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I cried.

Old Mar 26, 2013 | 09:58 PM
  #16460  
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Got a new toy in the mail today:
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