sounds like a loose or worn belt.
Remove wheelRemove caliper mounting boltsSlide caliper off rotorRotor should slide off hub
There are so many things that could be wrong its not even funny. Depends on if its a no fuel or no fire situation. Depending on which one it would be anything from a cracked sensors that is expanding and contracting and in the cold it would be contracted. Does the vehicle crank or do nothing. Lots of factors that need to be considered
your oil and coolant mix. then you have water in your oil and it makes a white grease. Then the engine will seize if you don't do anything about it. The gaskets is like $30, To put on a intake manifold you need a torque wrench, torque spec and torque sequence. Go buy yourself a Chilton or Hayes manual for you car and read it. If it don't cover it completely, read more and apply what you know and fix the car to your capabilities. Or go spend a lot of money not to get your hands dirty