The Service Bulletin informs owners of model year 2019 J4500 model coaches equipped with an ISX, X12, or...
Mci technical service bulletin SB 3121 for 2019 Mci J4500.
- Bulletin number
- SB 3121
- Component
- Engine and engine cooling
- Summary
- The Service Bulletin informs owners of model year 2019 J4500 model coaches equipped with an ISX, X12, or DD13 engine with E-fan to replace the existing T bolt charge air cooler ("CAC") clamps, MCI P/N: 19-04-0482, with a new clamp, MCI P/N: 19-04-0539, and to torque all CAC clamps on the coach to 70-80 In-lbs. instead of 90-110 In-lbs.
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