2005 Freightliner CAT C7 AC belt chirp
Belt and tensioner replaced two years ago (pm). AC refrigerant level checked and topped off last summer. Left for Ohio for two months today. Noticed that the belt chirped 40-50 seconds when the...
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Had the same chirping noise on my 2005 c_7. It was the fan bearing going bad. Check your fan bearing for looseness or hard turning. Mine was worse when cold. Some of these have been so bad that the fan will seize and may come off of the bearing.
