W-30 and 5W-30 are interchangeable in hot climates, as they are identical once warm. However, owners should stick to the ...

A lawsuit challenges what one automaker considers ‘normal’ oil use, revealing details buried deep in the owner’s manual ...

Outback has 110,000 miles on it. What maintenance is absolutely necessary? I change the filters regularly and the oil every 5 ...

Your vehicle’s cooling system is more than just a radiator, water pump, thermostat, fan, and coolant. Well, OK, it is exactly ...

Experts are urging motorists to check their oil and coolant levels before Wednesday as the hot weather could cause serious ...

Lubrication of an internal combustion engine is critical for energy and material losses. Engine lubricants contain a number of functional additives including zinc dialkyldithiophosphate, which is a ...

Engine oil is an absolutely crucial item for any car, regardless if it's diesel or gasoline. There's actually a good explanation why it tends to turn black.

An oil analysis might seem like an unnecessary upsell, but there are situations in which it can be useful. Here are the costs ...

You're on a long drive, and you decide to check your oil when you pull into a gas station. It's a little low. Is it a bad ...

They said: "To make a breakdown less likely, perform some additional checks before you set out, when your engine’s cold. Check the coolant and oil levels.