Oil Pump: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Engine Model 4G63 | 6.0 | 4.4 | B | |
| Engine Model 420A | 5.3 | 3.8 | B | |
| Note | ||||
| With AWD, Add | 0.4 | 0.2 | B | |
| With AC, Add | 0.5 | 0.3 | B | |
| Overhaul/Rebuild | ||||
| Engine Model 4G63 | 6.3 | 4.6 | B | Includes: R&I Oil Pump. |
| Engine Model 420A | 5.6 | 4.0 | B | Includes: R&I Oil Pump. |
| Note | ||||
| With AWD, Add | 0.4 | 0.2 | B | |
| With AC, Add | 0.5 | 0.3 | B |