i got some new hindges finally now im having another issue with the lower hindge i managed to get teh hindges from the cab but the tabs that hold the backing plate the part that the bolts thres into have rotted away so when i go to turn the bolts they just spin now i know how to get them off you jut the heads but how do i get the new ones attatched? sth second i remove the bolt heat the backing plate will drop and i will have nothing to thread into and there is no way to reach my arm in there to grab them again i was thinking of cutting a small access pannel out of the door but i was wondering if there was another way and help would be nice