Mobile radiator and cooling system repair

Car and van owners who can't or don't want to tow, small delivery and trades businesses with work vehicles, and local fleets.

A diagnostic or call-out fee plus labor and parts markup on each job; flushes and hose replacements bring repeat work.

• Mechanical knowledge of engine cooling systems
• Diagnosing leaks and overheating
• Clear, honest customer communication

• General liability and garage or tools-and-equipment insurance, check what covers work on customers' vehicles
• Used antifreeze is often regulated as hazardous waste, check your state and county rules on collection and disposal
• Some states require auto repair registration or a license, and some cities limit vehicle repairs on streets or in residential areas
• Hot coolant and pressurized systems can cause burns, never open a hot system
• Mobile jobs that need a lift or a full recore are better referred to a shop

Startup costs are typically estimated at around $3,000 to $15,000, depending on your vehicle, tools, parts stock and insurance. Check what insurance covers work on customers' vehicles.

Monthly revenue is typically estimated at around $2,000 to $10,000, depending on how many jobs you complete and your local demand. Jobs needing a lift or a full recore are better referred to a shop.

Check how your state and county regulate used antifreeze disposal, since it is often treated as hazardous waste. Also check state auto repair registration or license rules, city limits on street repairs, and insurance. Never open a hot cooling system.