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  #1  
Old 12-17-2011, 05:47 AM
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1985 300D Rack Damper Adjustment.

How does one adjust the rack damper bolt to see if the car will idle more smoothly?
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  #2  
Old 12-17-2011, 08:48 AM
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1. Get the car up to operating temp, then shut off.
2. put a thin glove on your right hand
3. loosen the lock nut (inner) and then remove the bolt
4. inspect for wear on the tip and make sure the spring is firm (push on the tip)
5. Reinstall and turn the bolt until you feel it meet resistance. Start the engine.
6. Turn the bolt in until the engine smooths out. Tighten lock nut while holding RD bolt in place.

You will be sticking your hand in a very hot place. Take precautions. At some points there may be a need to wrap your hand around the top oil cooler line. You might want to wrap that in a small paper towel or shop rag.

I properly adjusted RD bolt is a beautiful thing.
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Old 12-17-2011, 08:55 AM
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The pics should help.
Attached Thumbnails
1985 300D Rack Damper Adjustment.-rack-damper-bolt-001.jpg   1985 300D Rack Damper Adjustment.-rack-damper-bolt-002.jpg  
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  #4  
Old 12-17-2011, 11:48 AM
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I'd be careful posting Mr. Bergma's DIY instructions on this site.
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'85 300TD "Puff The Magic Wagon" - On the road again!
'95 E300d - 110K Looking for a new home
'15 Volvo XC70 T6 - Wife's sled
'84 300TD "Brown Betty" - Miss this one
'81 240D "China Baby" - Farm grocery getter
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  #5  
Old 12-17-2011, 01:44 PM
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Quote:
Originally Posted by andrewjtx View Post
I'd be careful posting Mr. Bergma's DIY instructions on this site.
Is the objection free Advertising!/?
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Old 12-17-2011, 03:22 PM
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Quote:
Originally Posted by Diesel911 View Post
Is the objection free Advertising!/?
No it's copy right infringement. The forum owners also usually block everything Mercedes S o u r c e.
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Old 12-17-2011, 05:47 PM
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And I'm not sure if it's because they don't want his site mentioned, or that Kent can easily have a legal case... There's no harm in sharing those instructions privately. But when you post images of them on a site that is linked to a for-profit business, things get ugly. Not to mention, the copyright is more than clear in the picture.
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'85 300TD "Puff The Magic Wagon" - On the road again!
'95 E300d - 110K Looking for a new home
'15 Volvo XC70 T6 - Wife's sled
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'81 240D "China Baby" - Farm grocery getter
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  #8  
Old 12-17-2011, 10:51 PM
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Originally Posted by Biodiesel300TD View Post
No it's copy right infringement. The forum owners also usually block everything Mercedes S o u r c e.
Thanks; I was just curious what the objection was.

Part of Mercedes S product is selling info. By allowing the info to be shown here some may not feel the need to buy that info from Mercedes s. That I think would be a + for our forums Sponsers.

I have not read any of the Mercedes S publications so I am not sure they have a copyright on these particular instructions.

My thought on it is that any time you mention another sites stuff in a positive light it is like a free Ad.
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Old 12-18-2011, 08:59 AM
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If the author is given credit for their work, what's the problem?

But, yeah, sites can get, um, picky. That's their right.

I took that photo many years ago and didn't think about any issues. Way to involved to type it out, come on guys, I'm lazy!
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  #10  
Old 12-18-2011, 03:58 PM
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Quote:
Originally Posted by toomany MBZ View Post
The pics should help.
Thanks, rebel.
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  #11  
Old 12-18-2011, 03:59 PM
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Quote:
Originally Posted by andrewjtx View Post
1. Get the car up to operating temp, then shut off.
2. put a thin glove on your right hand
3. loosen the lock nut (inner) and then remove the bolt
4. inspect for wear on the tip and make sure the spring is firm (push on the tip)
5. Reinstall and turn the bolt until you feel it meet resistance. Start the engine.
6. Turn the bolt in until the engine smooths out. Tighten lock nut while holding RD bolt in place.

You will be sticking your hand in a very hot place. Take precautions. At some points there may be a need to wrap your hand around the top oil cooler line. You might want to wrap that in a small paper towel or shop rag.

I properly adjusted RD bolt is a beautiful thing.
Very helpful, thank you!
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  #12  
Old 12-18-2011, 04:32 PM
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Quote:
Originally Posted by toomany MBZ View Post
If the author is given credit for their work, what's the problem?
http://www.copyright.gov/circs/circ01.pdf
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  #13  
Old 12-18-2011, 05:31 PM
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Line up the lawyers.
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  #14  
Old 12-06-2014, 03:17 PM
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Quote:
Originally Posted by andrewjtx View Post
I'd be careful posting Mr. Bergma's DIY instructions on this site.
Perhaps questionable accuracy of Mr. Bergsma may be another reason.

My sense he is seat of the pants and at times has differed from Mercedes engineers.
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  #15  
Old 12-06-2014, 03:18 PM
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Quote:
Originally Posted by andrewjtx View Post
1. Get the car up to operating temp, then shut off.
2. put a thin glove on your right hand
3. loosen the lock nut (inner) and then remove the bolt
4. inspect for wear on the tip and make sure the spring is firm (push on the tip)
5. Reinstall and turn the bolt until you feel it meet resistance. Start the engine.
6. Turn the bolt in until the engine smooths out. Tighten lock nut while holding RD bolt in place.

You will be sticking your hand in a very hot place. Take precautions. At some points there may be a need to wrap your hand around the top oil cooler line. You might want to wrap that in a small paper towel or shop rag.

I properly adjusted RD bolt is a beautiful thing.
Gus at Pacific fuel inj. in S. San francisco says it never was a foolproof solution to that rough running problem.

Last edited by Rocket99; 12-20-2014 at 06:33 PM.
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