Mack truck: revised fan hub mounting bolt torque
Mack technical service bulletin SB-215035 for 2006-2008 Mack Gu and 2006-2008 Mack Chu.
- Bulletin number
- SB-215035
- Component
- Engine and engine cooling: engine: diesel
- Summary
- Mack truck: revised fan hub mounting bolt torque. For this application only, the fan hub mounting stud material properties and length have been changed. Stud material is now grade 10.8 (previously was grade 8.8), and the stud length has been changed to 45mm (was 40mm) to ensure full nut engagement. No model years listed.
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