IS IT TIME FOR A COOLING SYSTEM FLUSH?

The radiator and cooling system in your vehicle holds a water and antifreeze mixture called Permeant Coolant/Antifreeze to help your engine maintain proper temperature and provide heat and defrost functions. The mixture prevents your vehicle from overheating in the summer, and prevents the engine from freezing during the winter. The amount of permanent coolant required varies from vehicle to vehicle.
Radiators, cooling & heating systems require Cooling System Flushes from time to time because the by-products produced during normal wear and tear of the system and the decay of the chemical mix in the permanent coolant can dirty the system with impurities and rust. These particles can block the system and prevent the radiator from performing the way the engine requires. It may also reduce the amount of heat available to heat the cabin and defrost the windows. By flushing and servicing the system, you will help extend the life of your vehicle and prevent costly breakdowns and repairs.
WHEN TO GET A RADIATOR FLUSH
There is no set rule for how often you should get your radiator flushed. The frequency of radiator flushes will depend on several factors, such as your own driving habits and the quality of antifreeze you use. Occasionally flushing your car's radiator will help extend the useful life of your vehicle.
Over time, the antifreeze in your vehicle may become acidic and lose its ability to help protect the engine from extreme temperatures. You can purchase a pH level litmus test at your local auto parts store to test the acidity level of the antifreeze. Simply insert one of the litmus test strips into your car's radiator and refer to the color guide on the box. If the test reveals that the water and antifreeze in your radiator is too acidic, then it's time to get a radiator flush.
While there is no set schedule for getting a radiator flush, almost all car manufacturers recommend that you drain and refill your radiator with quality antifreeze at least every other year, or every 40,000 to 60,000 miles - whichever comes first. Occasionally flushing the radiator will help keep it clean and prevent buildup of dirt and sediment. Fresh antifreeze will also help protect your car engine from extreme cold or hot temperatures.

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Brake Dust, What is it and What causes it?

It's time to wash the car, but when you get to the wheels they are covered by a hard to remove gray dust. Even after you clean it off, it comes back quickly. Welcome to the world of brake dust. The good news is brake dust is completely normal and is not a symptom of failing brakes; the bad news is every time you use your brakes you create more brake dust.

WHAT IS BRAKE DUST?
The unsightly brake dust that we all see on automotive wheels is 92% Iron (Fe) which simply put is in part iron caused by abrasion of the cast iron brake rotor(disc) by the pad and secondly fibers from the semi metallic elements of the brake pad. The remainder of the dust residue is carbon content within the brake pad.

99% of automotive brake pads made these days are made as a semi metallic meaning a bundle of steel fibers compressed and fused together with other additives. The steel fiber content can be up to 30% of the pad and this abrasive material is what scratches your brake rotor and causes the dust.

It's possible to buy non-metallic brake pads, which are made with Kevlar fibers, but they are expensive so very few automakers use them as standard equipment. In the industry, these types of brake pads are referred to as organics and tests have shown that they outperform as well as outlast normal brake pads. In addition, there is a significant reduction in brake dust as well as rotor abrasion.



WHY IT'S IMPORTANT TO CLEAN BRAKE DUST
While brake dust is not indicative of a malfunctioning brake system, it can be harmful to the wheels if it is never cleaned. Brake dust can corrode the clear coat and over time it will eventually eat into the aluminum alloy surface of the wheel.

Fortunately, cleaning brake dust is not that difficult and the main ingredient is elbow grease. Your local automotive shop should sell wheel cleaner, which will come in handy when dealing with brake dust. Here is what you will need:

Bucket
Sponge
Wheel cleaner
Hose and nozzle
Soft bristle brush
Liquid wax


HOW TO CLEAN BRAKE DUST
The wheels should be cool before you start.

Rinse off the entire rim off with water, which will remove grit and dirt that may scratch the wheel during the scrubbing.

Cover the rim with wheel cleaner and allow it to soak for 60 seconds. Make sure you get the cleaner into all of the nooks and crannies of the wheel as this is where dust tends to accumulate.

Use a soft bristle brush and scrub the surface of the wheel, make sure the brush gets into all of the small, recessed areas of the wheel.

Rinse off the wheel cleaner as soon as you have brushed the entire wheel. Do not leave the wheel cleaner on the wheel for any length of time.

Dry off the wheel immediately after rinsing.

Applying a coat of paste wax every few months will help protect the wheel as well as make them easier to clean the next time brake dust builds up.

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