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 | 2.1 | 1.5 | A | Includes: R&R Transaxle. |
| Muncie | ||||
| 1ST-2ND | 8.0 | 5.8 | A | Includes: R&R Transaxle. |
| 3RD-4TH | 8.0 | 5.7 | A | Includes: R&R Transaxle. |
| 5TH -Reverse | 8.0 | 5.8 | A | Includes: R&R Transaxle. |