Piston slap is the secondary movement of a piston against the side of the cylinder bore, according to Pistonslap.com. This perpendicular moving piston comes into contact with the vertical movement of the cylinder bore, causing the audible noise associated with this phenomenon. All internal combustion engines with pistons and compressors experience a degree of piston slap.Continue Reading
Piston slap occurs when the gap between piston and cylinder is too wide. Through wear and tear, the gap between piston and cylinder becomes wider. The noise associated with piston slap occurs in association with the perpendicular movement of the piston.
According to Dr. Victor Wong of the Massachusetts Institute of Technology, piston slap is one of the most confounding problems of the internal combustion engine. When the piston moves up and down within a cylinder, it moves side to side as well. This movement wastes fuel and causes engine damage as well as the tell-tale banging sound.
MIT researchers have determined through the use of a computer model that more efficient engine designs can reduce the piston slap problem. Through this model, researchers were able to see the path of each piston's movement within the cylinder, the force that it hits the cylinder wall and how the piston changes after impact.Learn more about Car Parts & Maintenance
The crankshaft takes the piston from an up and down motion and changes it to a rotating motion. The crankshaft is near the bottom of the engine.Full Answer >
Worn or damaged valve guides, worn or damaged piston rings, rich fuel mixture and a leaky head gasket can all be causes of spark plugs fouling. An improperly performing ignition system might also be a cause for spark plug fouling.Full Answer >
Crankcase pressure occurs when a vehicle's breather tube is obstructed, the pistons or blower oil seals are worn or defective, the piston crown is cracked, the gaskets are defective or the vehicle has excessive exhaust back pressure. Recommended crankcase pressure amounts vary depending on the type of vehicle and engine.Full Answer >
To fix a broken driver-side mirror, replace the lens inside of the mirror housing to avoid removing the entire door panel. To do so, wear protective gloves and use a flat implement to push the right side of the broken lens to the inside of the mirror housing, allowing the left side of the lens to stick out of the housing. Carefully pull the lens outward until it detaches from the motor of the mirror.Full Answer >