<strong>Yahoo Message Number: 19052</strong>The mechanic showed me our CAC leak from the outside of the coach thru the Fashion Grating. It just looks like a small Exhaust Leak. We are still awaiting the Insurance Inspector blessing before Cummins proceeds. I think Vibration is the BIG cause for cracking in Aluminum Assemblies..... <br/>Lee Casebeer Intrigue #11219 with a HomeMade Rock Guard...