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International Automotive Technicians Network
Re: 2006 Mack, power loss
Posted to HD/Fleet Forum on 5/9/2009

Gary,

We had an 2007 MR with 1 tube of the CAC cracked. It would leak off about 2 psi of charge air based on before and after driving tests with laptop connected on same drive. I was quite surprised to see the results of that small a leak. The power really w... Login to read more.