Transfer Case: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| NP231 Non-Synchro, NV231 | ||||
| Complete Assembly Without Transfer Of Parts | 1.8 | 1.3 | B | |
| Complete Assembly With Transfer Of Parts | 1.8 | 1.4 | B | Includes: R&I Transfer Case. |
| Overhaul/Rebuild | ||||
| NP231 Non-Synchro, NV231 | 5.9 | 4.4 | A | Includes: R&I Transfer Case. |