Piston slap can create a knocking noise from your engine that seems very concerning at first. But you should listen to expert ...

(Part I and II of this series is here and here.) DUB6 writes: I recently read a rather wordy story about how many/most auto ...

Q: I have a 2003 Pontiac Vibe, which is basically a Toyota Matrix, with 135,000 miles on it. This past winter, on a cold start it would knock for a minute or three, depending on how cold. A friend who ...

A:Offsetting the pin is done not for engine longevity, but to reduce audible "piston slap" on cold start-up. The pin is offset towards the piston's major thrust face—that is, the side of the piston ...