You need to understand what the numbers on the tire mean.  195 is the width of your tire in millimeters, 55 is the aspect ratio of the sidewall in comparison to it's width(55 percent of the width of the tire is the height of the tire)R is radial and 16 is the diameter of your wheel.  If … Read more

When it squeaks, is it while the car is rolling or is it suspension related?  If rolling only, it could be either the front wheel bearings, or, the brake pads rubbing on the rotor.  In either case, it should be looked into by you or your mechanic.  If it is suspension related, it is probably the sway bar … Read more

You didn't specify what kind of car you have, but it sounds like a classic case of a bad engine thermostat. It acts as a shut off valve between the coolant in your engine-heater core, and the coolant in your radiator.  They usually fail in the open position, this will cause coolant to circulate thru the … Read more

A simple way is to turn your percentage into a decimal (35% is 35 parts of 100,or the same as 0.35) then multiply 12.60 times 0.35 to get your result.