Coolant
| Cooling System Capacity | VORTEC 4300 V6 VIN W | Without Rear Heater | 11.0 Quart (US) (qt (US)) |
| With Rear Heater | 14.0 Quart (US) (qt (US)) | ||
| VORTEC 5000 V8 VIN M | Without Rear Heater | 17.0 Quart (US) (qt (US)) | |
| With Rear Heater | 20.0 Quart (US) (qt (US)) | ||
| VORTEC 5700 V8 VIN R | Without Rear Heater | 17.0 Quart (US) (qt (US)) | |
| With Rear Heater | 20.0 Quart (US) (qt (US)) | ||
| VORTEC 8100 V8 VIN G | Without Rear Heater | 23.0 Quart (US) (qt (US)) | |
| With Rear Heater | 26.0 Quart (US) (qt (US)) |