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#1
12-08-2004, 09:39 PM
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Dial Pins
My brother recently had to replace the dial pins in his 80 300D. The dampner pulley was spinning freely.
Well he has run it for about two months and it seems to have sheared the pins again. He said that the pulley can be seen to wobble slightly and was wondering if it is a problem with the pulley. What would be the most likely cause of the dial pins shearing?? Thanks in advance. Stephen
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85 300D 305K miles WVO(105K so far), Mine 82 300SD 235K miles BIO-D, Wifes 96 F250 SC PSD 4X4 285K MILES BIO-D, Ours 89 BRONCO 182K MILES sold Finally Compression Ignition Only! 
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#2
12-09-2004, 12:05 AM
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Dial pins?
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Regards Warren Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL ENTER > = (HP RPN) Not part of the in-crowd since 1952.
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#3
12-09-2004, 10:24 AM
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They are the pins that keep the crank pulley from rotating freely on the shaft. Don't know why they are called that and not shear pins or something else. Anyway when they break the crank pulley is allowed to rotate freely on the shaft and the accesory belts are not rotated (water pump etc.)
Stephen
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85 300D 305K miles WVO(105K so far), Mine 82 300SD 235K miles BIO-D, Wifes 96 F250 SC PSD 4X4 285K MILES BIO-D, Ours 89 BRONCO 182K MILES sold Finally Compression Ignition Only!
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#4
12-09-2004, 10:28 AM
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Try doing an advanced search for posts from user "LarryBible" containing the words "harmonic balancer." It can be very tricky to install correctly, and he's discussed the procedure a couple of times.
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Rick Miley 2014 Tesla Model S 2018 Tesla Model 3 2017 Nissan LEAF Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro Chain Elongation References
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#5
12-09-2004, 11:58 AM
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Quote:
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#8
12-09-2004, 07:15 PM
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Sorry about the misguided name
 My brother called them dial pins and I thought "hey must be a mercedes thing" I would have called it a shear pin or somethng else. Thanks for the heads up.Stephen
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85 300D 305K miles WVO(105K so far), Mine 82 300SD 235K miles BIO-D, Wifes 96 F250 SC PSD 4X4 285K MILES BIO-D, Ours 89 BRONCO 182K MILES sold Finally Compression Ignition Only!
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