The PB blaster is a must. I put the 6mm allen on an impact driver, whack it once, and it comes right out. I have this type Snap-On
Originally Posted by smolck
Squirt it with PB blaster and let soak for 30 min or so. Then insert your hex socket into the bolt and pound the end of it with a big hammer a few times. Then turn, then hit it with a hammer again, and turn and so forth. Should break loose. If you have access to an impact wrench, set it to the low setting and try zapping it a few times with that.
Regardless of the method, the PB blaster soak makes all the difference!
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