Pascagoula Auto Repair

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Tag Archives: auto repair pascagoula

Water Pump

The cooling system in an engine has five components: the radiator, the radiator cap, the hoses, the thermostat and the water pump. The water pump  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, or 65,000 kilometers, but almost all of them fail by 100,000 miles, or 160,000 kilometers. Water pumps don't gradually wear out; they fail. In other words, they're either working or they're not. A failed water pump has to be replaced. Water pumps can fail in two ways: they can spring a leak or their bearings fail. Leaks can come from a cra ... read more

Proper Grade of Gas

There are a lot of misconceptions about fuel grades – and by fuel grades I mean the octane rating. With names like “Standard," “Super," “Plus," and “Premium,” it’s no wonder that people associate the octane rating/grade with quality. Octane ratings are expressed as a number that typically ranges from 87 to 91 at the pump. The number does not mean “better” but rather signifies the appropriateness of a particular grade of fuel for a particular engine. Octane is a measure of gasoline’s ability to resist igniting before the spark plug goes off. Gasoline and air are compressed in the engine’s combustion chamber. When the pressure reaches a certain point, the gas will spontaneously combust. You don’t want that to happen; you want the spark plug to ignite the fuel at precisely the right time. When the gas combusts prematurely, the piston will try to go down while it is still being pushed up by the crank sh ... read more

Cooling System Repairs

Cooling System Repairs   We all know how important the cooling system is. Coolant/antifreeze circulates around the engine, absorbs heat and then dissipates it in the radiator. Cooling system failure can cause extensive engine damage. There are a couple of fine points that may be useful to you. One is about minor coolant leaks. It’s tempting to put off repairing small cooling system leaks; we just keep topping off the coolant. There are several problems with this. First, coolant is messy. It doesn’t just evaporate away. The puddle is harmful to the environment and is toxic to pets. Second, the cooling system needs to maintain a certain pressure to do its job. A leak compromises the pressure. Third, small leaks can unexpectedly become big leaks that leave you stranded. Fourth, you need to keep the correct balance of coolant/antifreeze and distilled water to maintain proper boil and freeze properties. Another point is corrosion protection. Antifreeze ... read more

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