Cummins Isx Flywheel Housing Torque Specs May 2026
For the Cummins ISX (including ISX15 and X15), the flywheel housing torque depends on the bolt size used in your specific SAE housing configuration. ⚙️ Flywheel Housing Torque Specs M10 Bolts: [ ] M12 Bolts: [ ]
- Tighten the top bolts (1-4) to the specified torque in a star pattern.
- Tighten the bottom bolts (5-8) to the specified torque in a star pattern.
- Repeat the process two to three times to ensure the bolts are tightened evenly.
. Because there are various housing sizes and bolt types (M10 vs M12), specific torque values can vary based on your exact engine configuration. JustAnswer Core Torque Specifications Flywheel Housing Bolts: 145 ft-lbs. Cummins Isx Flywheel Housing Torque Specs
Initial Seating: Lubricate threads and bolt heads with clean 15W-40 engine oil. Install the housing and hand-tighten the upper and lower capscrews to approximately 62 in-lb to seat the housing for runout checks. For the Cummins ISX (including ISX15 and X15),