new belts on diesel motor squeaking
Just had all the belts replaced on our diesel Freightliner chassis. Before we left we noticed they were squeaking very loudly. We had the repair man check them. He sprayed belt dressing on them and...
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Belt dressing is the absolute worst thing to use on a belt. An old mechanics trick that I use (I'm an old mechanic!) is to apply blackboard chalk to the belt. It immediately stops the squeal, and removes the glaze on the belt and pulleys.
