Originally Posted by Savannah Buzz
Bang on starter with hammer. If it starts working, the solenoid is bad.
And if it doesn't start the solenoid could be bad.
Best thing to do is pull it and bench test it. Be careful when you pull it though. Clean out the socket cap screws VERY well. When you get them out replace them with regular hex cap screws. And I wouldn't bother replacing the heat shield.