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...
Forum Discussion
On the OP's Caterpillar engine, the primary belt (serpentine belt) has an automatic tensioner. So, tension is not adjustable except with tensioner replacement-- again, assuming that the new belt is the proper length. If an inch or two too long-- presto you have your problem.
