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  #1  
Old 10-20-2010, 02:15 AM
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non turbo 617 engines

I have an 85 300D non turbo 617 with a 4 speed manual transmission.

I'm missing a rubber grommet on the throttle linkage between the rod that comes off the linkage to the accelerator pedal and the linkage that is connected to the engine.

I'm wondering how important this little rubber grommet is. Since the linkage in that one spot no longer has the rubber, it seems that with the accelerator fully open, it might not be pushing the linkage quite as far as it should.

I haven't seen this part listed anywhere.

Not sure if anyone will know what I'm talking about.

I've seen the throttle linkage on the turbo diesels and it is different than the non-turbo.

Any thoughts?

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  #2  
Old 10-20-2010, 03:21 AM
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There seems to be a bewildering number of different throttle linkages out there... your best bet is to ask a dealer or a specialist parts guru with photographs and a chassis number.

I had trouble finding a rubber bit for my non turbo 617. See:-

W123 300D Hard to find throttle linkage?
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  #3  
Old 10-20-2010, 06:05 AM
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I have mine secured with a tight wrap of bindertwine. It sucks but it works.
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..I also have a 427 Cobra replica with an aluminum chassis.
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  #4  
Old 10-20-2010, 08:06 AM
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Tom, that sounds like the exhaust holding rings on my 300D.
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  #5  
Old 10-20-2010, 08:57 AM
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my 85 euro is a wagon, so it's got the turbo... the only other cars I have non turbo are an 80 wagon and a 78 sedan... I'll look over the linkage for ya, but I gotta think the 85 euro would not have the same linkage as the 78/80...
can you post a pic of what you have?
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  #6  
Old 10-20-2010, 10:16 AM
t walgamuth's Avatar
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The throttle linkages all look similar but there are many variations. When you take one apart and try to put it back on an engine you soon believe it was designed by a mad scientist who has a devious desire to make following people suffer!
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..I also have a 427 Cobra replica with an aluminum chassis.
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  #7  
Old 10-20-2010, 10:35 AM
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Anything that creates slop in the linkage should be repaired. The part number is hard to come by sometimes. It is in the archives somewhere I remember at 1.00 a pair from mercedes if you can get the part number.

You can also make substitutes yourself for the type I think you are mentioning. The rubber can rot off with age. There are two rubber sleeves on what looks like a universal joint on some types. This is located along the side of the manifold.
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  #8  
Old 10-20-2010, 10:45 AM
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Yes, send a pic, I have an 85 manual TD.
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  #9  
Old 10-20-2010, 08:00 PM
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I took a picture but I can't find the cable to upload it.

In any case, I talked with my local mechanic and he suggested using strips of 1/4" fuel line and put them over the rod to serve as grommets. I think this will work great!

No more loose throttle linkage for me!

I will upload a pic for the heck of it when I find my cable.

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