Mack Service Information

As a service to our customers, we will be listing information we receive from Mack that may affect your truck. Check this area regularly for service information or receive e-mail updates directly from Mack by subscribing below.

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Service Bulletins
08.10.06 - Failure of the Power Steering Pump to Prime at Cold Start-Up

Other Notices
Some customers are reporting fan clutch noise in their late model Mack trucks. Mack is aware of this issue and is treating it on an individual basis. If you are experiencing excessive noise that may be from the fan area, contact your Mack dealer.