Your vehicle uses about 12,000 litres of air for every litre of fuel you burn. That's about 100 litres of air every block. All that air needs to be filtered to keep your engine clean and your fuel economy good. If you replace your dirty engine air filter at Advantage Tire Wheel & accessories in Slidell, we install quality NAPA replacement parts.

The cooling system in an engine has five components: the radiator, the radiator cap, the hoses, the thermostat and the water pump. The water is literally the heart of the system. Just as your own heart keeps your blood circulating through your body, the water pump keeps coolant circulating through your engine.

The water pump is driven by a belt, chain or gear and only operates while the engine is running. It has a limited life span and sooner or later will have to be replaced. You can check your owner's manual to find out how long your water pump should last. Some can fail at only 40,000 miles, but almost all of them fail by 100,000 miles.

Here are 5 tips from Advantage Tire Wheel & accessories for used car buyers:

 Water pumps can fail in two ways: they can spring a leak or their bearings fail. Leaks can come from a cracked pump, but usually develop at the gasket where the pump attaches to the engine.

If you hear a low-pitched grinding sound coming from the water pump, it's time for a new one. If you see coolant leaking in the area near the pump, it needs to be replaced. Also, coolant on the driveway could indicate water pump failure. Many water pumps aren't visible because they're under a plastic cover, so you may have to take your vehicle to Advantage Tire Wheel & accessories to know if the water pump has failed.

Question:
My tire pressure warning light came on recently. What does that mean?

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