Frozen Alternator Mounting Bolts - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 09-15-2019, 10:05 PM Thread Starter Rookie
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Frozen Alternator Mounting Bolts

I’m new to this forum and this is my first attempt at doing my own repairs (my ex husband always did them). I’m trying to replace the alternator in my 2005 F250 and I cannot get the 3 bolts out. I’ve tried everything and they won’t budge. The paint around them won’t even crack. I’ve used a breaker bar and tried a cordless Makita impact driver with the 13mm socket. Could they bolts be corroded in the housing? It appears to be the original alternator. I’m frustrated and feeling defeated. I really thought I could do this myself.
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post #2 of 4 Old 09-16-2019, 02:58 AM
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I feel your pain, sometimes the appearance of an easy job can seem to be a nightmare.
Make sure you have a 6 point 13mm socket or a 1/2 socket will work. Slide a pipe over your breaker bar for more leverage if needed. Go easy with the increased leverage, and always make sure you are going the right way.
Use antiseize on most of the bolts you remove on your truck, just FYI.

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post #3 of 4 Old 09-16-2019, 04:49 AM
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Be mindful of your face and teeth placement when using a cheater pipe or two wrenches. You donít want to look like youíre from south Louisiana. Use a little heat and penetrating oil (I like aerokroil, but thatís a different thread). Placing a small bit of dry ice on the bolt head will work as well.
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post #4 of 4 Old 09-16-2019, 05:36 AM
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Second that, heat and wd40. For heat you can use a small handheld propane torch, but protect your belts.
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