V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

bolt head diameter on crankshaft pulley?

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Old 02-11-2012, 03:41 PM
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Frantz
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Default bolt head diameter on crankshaft pulley?

I pulled a 3.8 outta the junk yard yesterday (alone) and took the thing apart as much as I could so it wouldn't be too heavy. I was stuck with the crank though because I didn't have a socket big enough for the crankshaft pulley/damper. I got the actual pulley off but the balance behind it has that big ol bolt. What size socket do I need?
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Old 02-12-2012, 03:19 PM
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Fink
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i believe its a 18mm but take sizes bigger and smaller.
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Old 02-13-2012, 09:22 AM
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mustangmike09
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aHHH i cant remember either ... Im thinking 19 or 21mm on my 04.
Id take everything from a 16-22mm just incase !
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Old 02-13-2012, 09:27 AM
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Frantz
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I had up to 18 when I was at the yard so 21 sounds right. Most of my tools (aka big sockets) are at my folks house 11 hours away so I was just trying to avoid buying a bunch... I'll start with 21. Thanks!
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