I have a 2002 Dodge Ram quad cab 1500 SLT. It has 83000 minles now. I have been told my power steering hoses are leaking (something is) and need to be replaced. Dealership wants to charge 250 for parts and labor. Is this something I can do myself for less. Are they being hoenst? The have also told me that my thermostat and gasket needs place and transmission pan gasket needs replaced. Are these things that I can do myself as well?