I'm having much difficulty getting my starter out.I got the lower bolt out, it's the one behind the solenoid that is not moving. I have tried liquid wrench no help. This is a discription of the setup: There is a threaded bolt that goes into the hole behind the solenoid. There is a 13mm nut on the end of it. Then the ground was on the bolt and then there was another 13mm nut on top. I got the ground off but the nut holding the threaded bolt on is not moving. Any suggestions, please help....