^LOL, You shoulda seen me getting mine off
. Get the socket on the bolt, now (this is from under the car) get your monkey arms limbered up. Contort your arm until you can reach the wrench (a buddy up on top helps out a lot here to keep the wrench from falling off) and push the wrench as hard as you can towards the fender well. WARNING: You will have to move your hands around into some awkward positions to do this. Once the wrench hits the fender well (I think that's what i was hitting, couldn't really see up in there), have your buddy up top to take the wrench off and push it back towards you. I used a regular wrench (12mm or 14mm iirc, can't rmember). It's a real PITA, so use some gloves as this can be painful on the palm of your hand
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Good luck!