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-   -   1987 TDT keeps breaking sway bar brackets (http://www.peachparts.com/shopforum/diesel-discussion/279596-1987-tdt-keeps-breaking-sway-bar-brackets.html)

leathermang 07-13-2010 03:26 PM

Persistence of set is an interesting thing to watch....

whunter 07-13-2010 03:47 PM

Quote:

Originally Posted by whunter (Post 2504603)
Uneven spring load directly impacts sway motion and load.

This is a balanced four wheel independent suspension platform = disrupt the balance and the stress points move from design/engineered locations.

The calculations are EXTREMELY complex, and made worse due to the dynamic nature of the unibody and four wheel independent suspension platform.


Suspension (vehicle)
http://en.wikipedia.org/wiki/Suspension_(vehicle)

front sway bar design
http://www.google.com/search?hl=en&rls=com.microsoft%3Aen-us&q=front+sway+bar+design&btnG=Search&aq=f&aqi=&aql=&oq=&gs_rfai=&gs_upl=6969%2C3734%2C6%2C1%2C57%2 C78%2C6

front sway bar engineering
http://www.google.com/search?hl=en&rls=com.microsoft%3Aen-us&q=front+sway+bar+engineering&btnG=Search&aq=f&aqi=&aql=&oq=&gs_rfai=&gs_upl=5391%2C1766%2C11%2C0% 2C50%2C79%2C11

DeliveryValve 07-13-2010 03:49 PM

On the surface it does appear to be a weak design. I guess I am used to see how rugged and over built w123 and w126’s are. I have to agree that this is a finely tuned weight saving suspension and that any other movement that the swaybar bracket was not designed for will cause it to fail. So whether it's a 300E bracket used in a 300TD, worn out control arm bushings, coil spring or spring perch issues, and etc. The fact of the matter is… We need pictures of to help out the OP!




.

babymog 07-13-2010 03:58 PM

I have provided forged-aluminum suspension pieces to the automotive industry for lightweight low-unsprung-weight suspensions, even domestic trucks, ... I'm not sure what part of the cast iron and stamped steel 124 suspension is lightweight. What the car is, is stiff, with 30% of the body being high-tensile steel and the highest natural-frequency chassis in the industry (54hz IIRC).

JimmyL 07-13-2010 04:45 PM

Quote:

Originally Posted by Rick Miley (Post 2504616)
I think people may be a little on edge after what happened last night.

What happened last night??? :confused:

babymog 07-13-2010 05:21 PM

Full moon ;~)

C Holmes 06-06-2011 07:35 PM

still haven't figured it out. New springs and bushings so other than that everything is normal

Bio300TDTdriver 06-06-2011 07:47 PM

Quote:

Originally Posted by C Holmes (Post 2730646)
still haven't figured it out. New springs and bushings so other than that everything is normal

How many new ones have you gone through now? When did the last one break? How are the pictures coming along?


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