Think your Chevy Silverado's surging is a transmission issue? Think again, discover how a simple spark plug fix saved the day ...

But thanks to their “red” formulation, I no longer “shudder” to think about my transmission issues. (Famous last words, am I right?) Have a question you’d like answered on Piston Slap?

it causes a lack of pressure in the transmission lines, which in turn causes the plates in the gearbox to have a lack of pressure against each other, essentially causing a slip or a shudder.