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  #1  
Old 10-17-2021, 04:25 PM
240D Speedster
 
Join Date: Jul 2021
Location: Salt Lake City, UT
Posts: 77
OM616 valve adjustment

I finally got around to doing the valve adjustment on my OM616. Just like diesel giant mentions in his how to all of the valves were too tight. I grabbed the clearance on them before I adjusted them.
4
E: 0.20mm
I: 0.06
I: 0.08
E: 0.20
E: 0.20
I: 0.06
I: 0.06
E: 0.23
1

I should notice a difference now given that they were all incorrect. It's hard to say on a 40 year old car if an adjustment has ever been done but regardless I don't think it has been done in a long time.

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1983 240D Manual Transmission
123.123 - 616.912
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  #2  
Old 10-17-2021, 05:42 PM
Registered User
 
Join Date: Sep 2001
Posts: 2,213
Run it hard and re-adjust them in about 1k miles, when far out-of-adjustment sometime they don't hold the clearance until a few adjustments are done. When adjusting the valves rotate each one to find it's tightest spot and adjust it at that rotation.

Glad you got it done, it will make a difference.

Good luck!!!
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  #3  
Old 11-08-2021, 03:34 PM
240D Speedster
 
Join Date: Jul 2021
Location: Salt Lake City, UT
Posts: 77
It made a huge difference for me, I used to hit 80mph flooring it, I can hit 85 now without flooring it.

Thanks, I will plan on checking the clearance every 1,000 miles and if out of spec I will re-adjust.

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1983 240D Manual Transmission
123.123 - 616.912
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