Mack truck: expansion tanks may have persistent coolant leaks that requires inspection
Mack technical service bulletin FSB-261-032 for 2010-2011 Mack Gu, 2010 Mack Cxu and 2012 Mack Granite (Gu) and others.
- Bulletin number
- FSB-261-032
- Component
- Unknown or other
- Summary
- Mack truck: expansion tanks may have persistent coolant leaks that requires inspection. Examine expansion tank for burn hole/mark under pressure cap that enables hot coolant to enter expansion area. Models chu, cxu, gu and td.
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