MACK CHU, CXU, GR, GU, and PI trucks built from 2009 to 2017 and equipped with MP7, MP8, and MP10 engines...
Mack technical service bulletin FSB 237-020rev for 2010-2018 Mack Gu, 2010-2018 Mack Cxu and 2010-2018 Mack Chu.
- Bulletin number
- FSB 237-020rev
- Component
- Power train: automatic transmission: torque converter
- Summary
- MACK CHU, CXU, GR, GU, and PI trucks built from 2009 to 2017 and equipped with MP7, MP8, and MP10 engines (EM-USA10, EM-USA14, and EM-USA17), will require a new torque specification for the Unit Injector Yoke Hold-Down Bolt. Effective immediately, the torque value in step 4 has changed to 25 +5/-0 Nm (18 +4/-0 ft-lb).
Owners of these vehicles have filed 3 complaints in the transmission category.
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