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Old 09-14-2013, 03:16 PM
Dave7 Dave7 is offline
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Join Date: Mar 2013
Location: Canada
Posts: 14
Wrench size for valve adjustment for a '70 220D?

I found a nice walk through for adjusting the valves on my 220D. Checking the first one it seems they are too tight. But when I got to adjust them I can get a wrench to fit the bottom nut. The top one is a 14mm no problem there. The bottom one looks to be 14mm but is a little too big for a 14mm wrench to fit. A 15 is too big. I even dug into my SAE wrenches but nothing I have fits the bottom nut. Am I missing something obvious here? A special tool perhaps? Thanks.
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