Start small and buy as you need
It is easy to overspend on a huge tool set full of pieces you will never use. A better approach is to build a small kit around the jobs you realistically plan to do, then add tools when a new task comes up. Quality matters more than quantity: a few decent tools last for years, while cheap ones can round off bolts or break.
Check the owner’s manual first. It tells you which fluids and parts your car uses, and it may list the tire pressure, fuse locations and the correct jack points.
Checks and measuring
These tools help you keep an eye on the car, and they are the best first purchases.
- Tire pressure gauge. A reliable gauge is more accurate than the ones built into many air pumps. Use it as described in how to check tire pressure at home.
- Tread depth gauge. An inexpensive way to track tire wear; see when to replace tires for how tread depth and age figure in.
- Flashlight or headlamp. A headlamp keeps both hands free.
- Clean rags or shop towels, and a funnel for adding fluids without spills.
- Owner’s manual and a notebook, or a phone, to record what you do.
Basic hand tools
A modest set covers many simple jobs.
- Socket set with a ratchet. A set with both metric and, depending on where you live, imperial sizes is useful. Common drive sizes are small, medium and large; one mid-size set is a sensible start.
- Combination wrenches. For places where a socket will not fit.
- Screwdrivers. Flathead and Phillips, in several sizes.
- Pliers. Standard, needle-nose and locking pliers.
- Torque wrench. Wheel nuts and many other fasteners have a specified tightness. Too loose can be dangerous, and too tight can damage threads. Use the figure in the manual, and store the wrench set to its lowest setting.
- Oil filter wrench and drain pan, only if you plan to change your own oil. The oil change interval and the right oil are in your manual, and used oil must be taken to a proper recycling point rather than poured away.
Lifting and safety gear
This is the area where it pays not to cut corners.
- A jack suited to your vehicle and a pair of jack stands rated above the car’s weight. A jack alone must never hold up a car while you work underneath it.
- Wheel chocks to stop the car rolling.
- Safety glasses and gloves. Mechanical work involves grit, fluids and sharp edges.
- A fire extinguisher rated for vehicle use is a sensible thing to keep in a garage.
For the tools you carry in the car itself, a separate list applies; building an emergency kit is covered on its own, and changing a flat needs a working spare, jack and wheel wrench.
Supplies to keep on hand
- Washer fluid. Topping it up is a task almost anyone can do.
- Engine oil, in the grade named in the manual, for topping up between changes. Oil viscosity is worth understanding so you do not buy the wrong one.
- Coolant, but only the type your manual specifies. Mixing types can cause problems, and you should never open a hot cooling system.
- Spare fuses and bulbs that match your car.
- Wiper blades when needed.
- Cleaning supplies such as car-safe soap, microfiber cloths and glass cleaner.
- A basic battery tool, such as a terminal brush, if you are comfortable with battery work.
Optional extras for later
- A code reader, which plugs into the diagnostic port and shows stored fault codes. It will not fix anything, but it can help you describe a problem; how an OBD code reader works is explained elsewhere.
- A portable tire inflator that runs from the car’s power socket.
- A multimeter for checking battery voltage and simple electrical faults.
- A battery jump pack, which avoids needing another car.
- A creeper or mat for comfort.
What to skip at first
Avoid large “all-in-one” kits with hundreds of pieces, specialty tools for jobs you will probably never do, and any tool that seems unusually cheap for what it does. Also skip any task that involves brakes, steering, suspension or airbags until you have proper training, and leave anything on a hybrid or electric car’s high-voltage system to qualified technicians.
Storing and caring for tools
Keep tools clean and dry, since rust ruins them. A toolbox or wall rack keeps them findable. Put each away after use and replace anything damaged. A tidy kit makes small jobs quicker and safer, and it supports the habits described in a broader guide to car maintenance.