My speedometer died first thing change the cable did that old one was seized fort that solved the prob but it turns out the speedo gear might have been damaged went to change that but the roll pin is stuck inside how on earth can i remove this pin without removing the gearbox? in the haynes manual it says remove using pliers but its impossible to get to and drilling is out of the question from lack of room its really awkward. anyone encounted this prob? any ideas greatly appreciated