Coolant
After refill, the level must be rechecked.| Cooling System Capacity | VORTEC 4300 V6 | Automatic | 12.6 Quart (US) (qt (US)) |
| VORTEC 4300 V6 | Manual | 12.9 Quart (US) (qt (US)) | |
| VORTEC 4800 V8 | Automatic | 13.4 Quart (US) (qt (US)) | |
| VORTEC 4800 V8 | Manual | 13.7 Quart (US) (qt (US)) | |
| VORTEC 5300 V8 | Automatic | 13.4 Quart (US) (qt (US)) | |
| VORTEC 5300 V8 Vehicles equipped with the optional air conditioner. | Automatic | 14.9 Quart (US) (qt (US)) | |
| VORTEC 6000 V8 | Automatic | 14.8 Quart (US) (qt (US)) | |
| VORTEC 6000 V8 Vehicles equipped with the optional engine oil cooler. | Automatic | 14.4 Quart (US) (qt (US)) | |
| VORTEC 6000 V8 | Manual | 15.2 Quart (US) (qt (US)) | |
| VORTEC 6000 V8 Vehicles equipped with the optional engine oil cooler. | Manual | 14.8 Quart (US) (qt (US)) | |
| VORTEC 8100 V8 | Manual | 21.1 Quart (US) (qt (US)) | |
| VORTEC 8100 V8 | Automatic | 20.7 Quart (US) (qt (US)) |