Alternator pulley; How do you get the nut off to switch pulleys? Most strap wrenches seem pretty wimpy and putting the pulley in a vice is never a good idea if it is to remain round.

Asked by Aug 12, 2016 at 10:57 PM about the 1999 Ford F-250 Super Duty

Question type: Maintenance & Repair

5 Answers


An impact gun is what I use, both off and on. Didn't the parts store have the equipment to do it for you.

2 out of 2 people think this is helpful.

Second the impact gun, but they do make pulley holding tools (that's what they're called) most parts stores will lend you the tools when you buy parts from them.

2 out of 2 people think this is helpful.

I've always put on a leather glove and held onto it by hand, it only takes a few whacks and it spins right off, same with putting it on the new one, just a few whacks and it's installed.

2 out of 2 people think this is helpful.

Thanks all. Looks like an impact gun in my future. Thinking of an Ingersol Rand 2100G


That should have plenty of torque for everyday home auto repairs.

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