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February 1, 2014 Service bulletin

Mack truck: the inability of unit building air pressure is due to brass collar crimped onto stainless...

Mack technical service bulletin FSB-561-024 for 2012-2013 Mack Mru and 2012-2013 Mack Leu.

Bulletin number
FSB-561-024
Component
Engine and engine cooling: cooling system: hoses/lines/piping/fittings
Summary
Mack truck: the inability of unit building air pressure is due to brass collar crimped onto stainless steel compressor discharge line splitting. Model leu, mru.

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