Car Maintenance projects
Improve Car Heating and Cooling With a New Cabin Air Filter
Save big money when you replace a cabin filter yourself. It's quick, easy and a screwdriver is the only tool you need. Don't have a…
Replacing Car Fuses
Cars run on electricity as well as gas, and almost all of it runs through fuses. Learn where they are, how to spot a blown fuse, and how to…
Do it right. Do it yourself.
The Family Handyman is proud to announce the DIY University. Courses that give you the confidence and know-how to get the job done right.
Tips to Restore Your Car’s Interior
Want to get top dollar when you sell your car? Dealers know that spiffing up the interior of a used car is the best way to command a higher…
Car Battery Care
Avoid an expensive service or tow charge (and the worry of being stranded!) by keeping your car battery working at peak performance. This…
How to Replace a Broken Wheel Stud
Tightening lug nuts without a torque wrench can be a recipe for disaster. If worse comes to worse and you break the wheel stud, here’s…
Protect Your Engine With Additives
Certain additives, including fuel additives, do work. They clean your fuel injectors (and may increase fuel mileage), bolster older…
Coolant Testing with a Multimeter
Perform a quick diagnostic test for corrosion in your water pump, radiator or heater core with a digital multimeter. A simple test of the…
How to Clean Headlights
Clear up a cloudy headlight lens with a special polish kit. We also tell you how to evaluate it in case you have to replace it.
How to Replace Spark Plugs
Change your spark plugs yourself to maintain peak performance and high gas mileage. In most cases it’s a simple job as long as you have…
Mass Air Flow Sensor (MAF) Cleaning
Clean your MAF (Mass Air Flow) sensor when it’s dirty rather than replace this $300 part. It’s quick and easy.
Shake Your PCV Valve
Perform the world's easiest diagnostic test: Shake your PCV valve to make sure it's working. It takes only 5 minutes to replace a bad…