Synchronizer Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Isuzu | ||||
| 1ST-2ND | 8.8 | 6.3 | A | Includes: R&R Transaxle. |
| 3RD-4TH | 8.8 | 6.2 | A | Includes: R&R Transaxle. |
| 5TH-Reverse | 7.3 | 5.0 | A | Includes: R&R Transaxle. |
| Muncie | ||||
| 1ST-2ND | 10.8 | 7.7 | A | Includes: R&R Transaxle. |
| 3RD-4TH | 10.8 | 7.4 | A | Includes: R&R Transaxle. |
| 5TH -Reverse | 9.8 | 7.2 | A | Includes: R&R Transaxle. |