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Need confirmaton on the OD of the three pulley adjusting bolts ... ? 120-130

91, 740 turbo Wagon
91, 740
89, 240 DL, Wagon
90, 240 DL, Sedan


I am referring to the adj bolt thread dia for the alternator, steering pump, and AC Compressor, on many of the 240 years, the 91, 740 and possibly other years (have not seen all years). I have measured the OD at 6 mm. What do you guys measure?

The reason I ask is that somehwere in the past I was told it was 7 mm. 7 mm is a specialty size and uncommon, but I know where I can get plenty of the 6 mm bolts. In fact, I think I actually used a 1/4" one time, when I was not able to locate the correct mm size. Again, I measure 6 mm on the OD. No way this thing is 8 mm or even 5 mm. It's 6 or 7 mm. I am using an el cheapo "General Tool Mfg." pocket caliper. Does anyone have a Starrett or Brown & Sharpe, or equivalent tool for a more accurate reading. The general tool pocket calipers are just that -- "General."

Last time I asked this question someone said it was 10 mm -- but I am not referring to the hex head.


Thanks -- Bruce






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