Extension Housing: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| THM 400-475 (3L80-3L80HD) | ||||
| Extension Housing and/or Gasket | 0.9 | 0.6 | B | |
| Note | ||||
| To Replace Bushing, Add | 0.2 | 0.1 | B | |
| THM 700-R4 (4L60-4L60E) | 0.9 | 0.6 | B | |
| Note | ||||
| To Replace Bushing, Add | 0.2 | 0.1 | B |