Introductione signae mensura Crankshaft 2. Importantia Sanus Crankshaft 3. Common symptomae Failing Crankshaft 3.1 Unusul Vibra 3.2 Ungeria vox 3.3 Olia exac 3.4 Enguia advertens lux 3.5 Perda Power 4. Causa Cranksh.