This will save you hundreds of dollars over the life of your tires. The interval most vehicle and tire makers recommend is every 5,000 to 8,000 miles, and even more frequently if you have a Front-Wheel Drive, All-Wheel Drive or 4-Wheel drive vehicle.
Add pure antifreeze initially in a volume equal to the water remaining in the system, topping off with a 50/50 mix. â¢ Improper topping off. If you have a low coolant level, the first thing to do is add coolant; the second is find out where the coolant is going.Finding and fixing leaks is critical. When topping off, be consistent. Mix and mark a jug containing a 50/50 mix of compatible antifreeze and distilled or demineralized water.Then use that container for all top-offs.Too many systems get topped off with whatever is handy, commonly pure antifreeze, plain tap water, or...whatever is handy.ix and mark a jug containing a 50/50 mix of compatible antifreeze and distilled or demineralized water. Then use that container for all top-offs.Too many systems get topped off with whatever is handy, commonly pure antifreeze, plain tap water, or...whatever is handy.
is a test used to measure the amount of water in milk, by determining the freezing point of the sample. The cut off in most quality programs is -.530. DMC/DMSCC (Direct Microscopic Count). The number of bacteria and somatic cells in a sample can be quickly and roughly estimated under a microscope.