The steering would be sloppy, difficult to keep vehicle going straight, probably wander left and right, uneven tire wear,
You must mean TIE RODS. -If there is a nipple, they must be greased. Many are sealed units and can not be greased.
Thermostat... Transmission (4wd/rwd) Transaxle (fwd) Tire(s) Tie rods
I guess you mean TIE rods . -If so, it's the ball at the outer end that wears most. If your car has done over 50,000 then they will almost certainly need to be changed. To check, remove the front wheels, take the rod in your hand and twist it, if it moves very easily, then you need to change it. It will need alignment afterwards.
Take your car or old tire to a tire store. The employees there will be able to determine your tire size needs and recommend a good choice for your vehicle.
To change an actual tire you need a tire machine to get it off the rim and the new one on. -If you mean the change the WHEEL and tire on a car, then you just need a jack and a tire wrench.
It can cost between $60 and $250 to change the tire rods on this car. It will depends on where the person gets the parts and the labor charges.
What is a "Tire Rod", Do you mean Tie Rod?
To find out you would have to check the users manual for your car. It will have the tire guidelines that you need to follow ect. size and air pressure. These are the recommended tire ratings for your car.
It can cost upwards of 200 dollars to replace VW tire rods as of 2014. The exact cost depends on the parts and the person replacing them.
To change a tire you will need a jack to lift the car, a spare tire, and a tool to remove the bolts of the tire. Use the jack first to lift the car, then remove the tire, replace it with the new one, and tighten the bolts.
Car tires come in various sizes. We'd need to know the dimensions of the tire in order to answer this question.
Could be a tire or wheel that is out of balance Could be a bad tire with internal damage Could need a new car