The signs that an engine has been overfilled with oil include oil leaking from the engine, the smell of burning oil and irregular engine noises. Symptoms resulting from an oil overfill progressively worsen over time if the problem is not properly corrected.Continue Reading
When an engine is overfilled with oil, signs that the overfill occurred progressively worsen as the vehicle is driven further. The excess oil leads to increased pressure in the engine block, which can cause the rear main bearing seal to rupture, leading to a small oil leak. In cars with manual transmissions, this rupture allows oil to contact the flywheel and the clutch disc face, which can lead to front seal failure. As the leak continues to worsen, oil is spread throughout the engine bay as far out as the wheel brakes.
If enough oil is added so that there is contact with the rotating crank, then a froth of aerated oil can be formed. When this froth coats the engine bearings, there is an increase in friction because air is not a lubricant. Signs that the bearings have been coated with aerated oil include the smell of burning oil and an irregular sound emanating from the engine compartment.Learn more about Engine Oil
To choose the right type of oil for your engine, refer to the service documentation that came with the car from the manufacturer. The documentation recommends the viscosity range that the oil should fall in.Full Answer >
The oil sensor measures the pressure on the oil inside the engine of the car. Oil pressure is essential to a well-running car, to ensure it is clean, cool and well lubricated.Full Answer >
Finding oil in the coolant reservoir of a car radiator means that one of the main gaskets in the engine has failed. This means that a leak has formed in the engine that could ruin it quickly. The best thing to do is have it towed to a mechanic.Full Answer >
The time frame for replacing engine oil varies by car, but in general oil should be replaced every 5,000 to 7,500 miles, advises How Stuff Works. Various factors such as the type of vehicle and driving conditions make a difference, so the vehicle's user manual provides the most accurate instructions.Full Answer >