Using a sonic tension meter
- Input the belt specifications into the tension meter.
Belt type Location of measurement Input data M (Mass, g/m.rib) W (Width, rib) S (Span, mm) With A/C Crankshaft pulley to A/C compressor pulley 13.4 6 178.9 Without A/C Idler to alternator pulley 13.4 6 Actual measurement value - Locate the micro phone (B) close to the center of belt span (A) and bounce the belt by finger 2 - 3 times. Read a value on the display.