Why does my GM engine have piston slap?
The GM engine needs the full 20W characteristic in operation to provide proper protection. A long drive will allow the detergents in the oil a chance to dissolve some of the carbon and or sludge, which are sticking the piston rings. Piston slap is not all bad.
Why does my GM Truck Keep Knocking on the engine?
GM truck owners complain that piston slap damages the engine and causes excessive oil and fuel consumption. Many consumers suffering from piston slap report that the knocking is constant, lasting well beyond the initial start-up, and appears regardless of the temperature.
Why does my Chevy Silverado make a knocking noise?
Piston slap is caused when there’s too much space between the piston and the cylinder wall. The piston moves up and down in the cylinder and the extra clearance results in a greater amount of rocking in the cylinder, producing a loud knocking noise. Specific models include (but may not be limited to): Chevrolet Silverado,…
Why are the piston rings sticking on my GM Truck?
Viscosity Improvers in modern motor oils begin to lose their effectiveness after 1200 miles. The GM engine needs the full 20W characteristic in operation to provide proper protection. A long drive will allow the detergents in the oil a chance to dissolve some of the carbon and or sludge, which are sticking the piston rings.
Piston slap is caused when there’s too much space between the piston and the cylinder wall. The piston moves up and down in the cylinder and the extra clearance results in a greater amount of rocking in the cylinder, producing a loud knocking noise. Specific models include (but may not be limited to): Chevrolet Silverado,…
GM truck owners complain that piston slap damages the engine and causes excessive oil and fuel consumption. Many consumers suffering from piston slap report that the knocking is constant, lasting well beyond the initial start-up, and appears regardless of the temperature.
What does piston slap do to an engine?
Consumers have differing opinions. GM truck owners complain that piston slap damages the engine and causes excessive oil and fuel consumption. Many consumers suffering from piston slap report that the knocking is constant, lasting well beyond the initial start-up, and appears regardless of the temperature.
Is there a charge for GM piston slap?
There is no cost or fee for doing so. The website PistonSlap.com has been used as a source for some of the information above. PistonSlap.com is an excellent resource for additional in-depth information on the GM Piston Slap problem.