Twin Y Suspension, Trailing Blade, Replacement
Mack technical service bulletin FSB 722 004 for 2014-2016 Mack Cxu and 2014-2016 Mack Chu.
- Bulletin number
- FSB 722 004
- Component
- Equipment: other: owners/service/other manual
- Summary
- Twin Y Suspension, Trailing Blade, Replacement. Some MACK CHU and CXU trucks built 06/13/2013 through 09/25/2015 and equipped with Twin-Y suspension may require replacement of the Twin-Y trailing blades with a more robust design. The new Twin-Y trailing blades have a new profile with a stronger material thickness of 7.0 mm (0.28 in). All four trailing blades will require replacement in this repair procedure.
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