Hissing, Knocking, Rattling, and Popping Noises

Hissing, Knocking, Rattling, and Popping Noises Points : hissing, knocking, rattling, and popping noises, engine noise analysis, problems in internal combustion engines, ic, engine, auto diesel Hisses, knocks, rattles, cIunks, popping may indicate part wear or damage. A stethoscope (device similar to that used by doctor to listen to a patient’s heart) is commonly used by an anti technician. It will pinpoint the source of internal part noises.

A long screwdriver can also be used in place of a stethoscope.

A section of vacuum hose is another handy device for finding sounds from inside parts. The hose is useful in locating hissing sounds, rattles, whines, and squeaks.