Exhaust Leak on a 400 Cummins
Can anyone tell me how to check for an exhaust leak on a diesel?? Have been hearing what sounds like an exhaust leak when driving with the window down on the highway. More noticeable when you have the...
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Executive, I have the Cummins 400 ISL engine. Was at Cummins two weeks ago and had the computer put on it for an alternator issue. The only thing that came up was the alternator and low on anti-freeze which took almost 2 qts. They were told about the exhaust leak but nothing showed up and I had the alternator replaced elsewhere because of a 6 hour difference in labor !
