Will a Chief Steamer 75 or 100 be able to wash a car? Knowledge Base Presale Questions Will a Chief Steamer 75 or 100 be able to wash a car? We do not recommend using these steamers to wash the outside of the car. We recommend the Chief Steamer 125 with chemical injection and Optimum No Rinse to wash a car. 0 0 Related Articles Is the Chief Steamer just for Car Detailing? Do I need a continuous fill steamer? How long will the steam last on a boiler fill of the Chief Steamer 75 Single? How much water does the Chief Steamer 75 Single hold in the boiler? Is an external heater on a steamer better than an internal heater?