Synchronizer Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Isuzu | ||||
| 1ST-2ND | 5.9 | 4.4 | A | Includes: R&R Transaxle. |
| 3RD-4TH | 5.9 | 4.3 | A | Includes: R&R Transaxle. |
| 5TH-Reverse | 4.6 | 3.1 | A | Includes: R&R Transaxle. |
| Muncie | ||||
| 1ST-2ND | 10.8 | 7.8 | A | Includes: R&R Transaxle. |
| 3RD-4TH | 10.8 | 7.5 | A | Includes: R&R Transaxle. |
| 5TH-Reverse | 9.8 | 7.3 | A | Includes: R&R Transaxle. |