Pin down the noise
This Gunson electronic stethoscope from helps you identify engine and chassis noise by seeking out defective components. The precise location of a faulty part can be hard to pinpoint as the sound travels but this sensitive stethoscope will help you pin down the precise location of the noise. It can be used on cam covers, cylinder heads, alternators, water pumps, air con compressors and gearboxes.
It is available from Tool Connection.