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  #16  
Old 01-14-2016, 08:38 PM
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Question

I *think* you're talking about the rack damper bolt , NA cars don't have them .

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  #17  
Old 01-14-2016, 10:35 PM
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MXfrank asked if your fuel return hose is the cigar hose or a straight pipe. I don't think you answered that question? My 240D also has a fluctuating idle problem. More noticeable when it's cold and I've got the Idle speed adjusted high. The PO replaced the cigar hose with a straight viton hose as he'd run biodiesel in it. I'd be interested to know if yours is the cigar hose or straight.

- Peter.
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  #18  
Old 01-15-2016, 03:26 PM
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Quote:
Originally Posted by pj67coll View Post
MXfrank asked if your fuel return hose is the cigar hose or a straight pipe. I don't think you answered that question? My 240D also has a fluctuating idle problem. More noticeable when it's cold and I've got the Idle speed adjusted high. The PO replaced the cigar hose with a straight viton hose as he'd run biodiesel in it. I'd be interested to know if yours is the cigar hose or straight.

- Peter.
Thanks for the advice everyone. Hi Peter, to answer your question, this car did originally have the cigar hose. I actually replaced it because it was cracking and i replaced with viton straight hose. No noticeable change in idle. Just got back into town from holiday break, so will adjust valves, check rack damper bolt, and then update. Thanks again!
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  #19  
Old 01-19-2016, 06:49 PM
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Quote:
Originally Posted by vwnate1 View Post
I *think* you're talking about the rack damper bolt , NA cars don't have them .

I'm not sure about that. We changed a part like that on a NA car last year and that was the fix. I didn't actually do the repair ( one of my guys did it ) but I remember the idle speed would rise and fall until we changed this small part.
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  #20  
Old 01-20-2016, 11:10 AM
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O.K. , I'm always willing to learn , my various NA OM617 Coups didn't have one .

Maybe it's different on the NA engines ? .

I bought the ' up graded ' rack damper bolt on a suggestion and discovered my Na cars couldn't use it .

My idle problem lay elsewhere , I no longer remember what it was .

Someone will chime in who knows .

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1982 240D 408,XXX miles
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I did then what I knew how to do ~ now that I know better I do better
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