Diagnosing Noises in Manual Transmissions
Continuing with our third article in the series on manual-transmission diagnosis, we now concentrate on noise. Noise is a difficult and time-consuming problem if you do not follow a prescribed step-by-step diagnostic process. Every rotating or moving part in a vehicle creates some noise. The vehicle itself moving through the air creates noise. Tires, exhaust, and suspension parts create noise as part of their normal operation.
Noise? What Noise? Oh, That One
One of the toughest things in the transmission industry for any technician to diagnose is a noise problem. It’s even tougher to diagnose over the phone, and at times near impossible. In some instances, as with the 5R55S/W transmission, there can be several different things that can have you chasing a noise ’til you’re about to pull hair from your head.
