Car Maintenance, Repairs, & How-Tos

It's both useful and empowering to know how to fix your own car. Whether you need to test the condition of your car battery, fix your AC, or simply change your tires, learn how with these step-by-step tutorials.

  • high beam headlights for seeing and being seen
    9 Reasons Your High Beam Headlights Are Not Working
  • How to fix sagging car headliner
    How to Fix a Sagging Headliner in Your Car
  • Traffic: Inside Car
    Why Is My Car Shaking at Idle?
  • catalytic converter inside
    How to Fix a Catalytic Converter (Without Replacing It)
  • Control pedel brake clutch
    How to Clean Car Carpet in Five Steps
  • Hand wash of car headlamp. Hands in disposable gloves scrub the headliner
    How to Clean a Car Headliner
  • Close-up of young man checking oil level of car with dipstick
    High Mileage Vehicle Maintenance Checklist
  • starting a car with key in ignition
    5 Common Ignition Switch Problems and How to Fix Them
  • gas gauge on empty
    4 Reasons Why Your Fuel Gauge Isn't Working
  • a typical constant velocity joint or CV joint
    How to Tell if a CV Joint Is Bad
  • Car engine with MAP sensor.
    7 Symptoms of a Broken MAP Sensor
  • Middle Eastern mechanic working on car engine
    How to Fix Low Oil Pressure
  • man under car doing repairs
    How to Replace a Power Steering Rack
  • BMW E46 set up for racing
    Wheel Alignment: How to Adjust Camber
  • a man starting a car, such an everyday occurrence, made possible by the car battery
    How to Revive a Dead Car Battery
  • Car engine coils on a dirty engine
    Testing an Ignition Coil on a Car
  • A blown fuse is a good indication of a short circuit problem.
    How to Find a Short Circuit
  • Back of car stereo with wires being connected to car
    10 Easy Steps to Install a New Car Stereo
  • a paint technician buffing the paint on a recent auto body repair
    Estimated Costs for 5 Common Auto Body Repairs
  • replacing a tire blowout
    What to Do When Your Tire Pressure Light Is Flashing
  • Depressing the brake pedal
    Symptoms of Master Cylinder Failure
  • engine pulley, water pump, and alternator, but no drive belts to drive them!
    How to Loosen a Tensioner Pulley
  • Car engine disassembled into parts
    What Does a Camshaft Do?
  • mechanic working under car supported by jack stands
    The 10 Commandments of Putting a Car on Jack Stands
  • Holding a shaky steering wheel
    How to Fix Steering Wheel Shimmy
  • cruise control switch in a modern car
    Cruise Control Not Working? 9 Potential Causes
  • old bubbled window tint
    Three Ways to Remove Window Tint
  • Rolls Royce Phantom VIII With Designer Giles Taylor
    How to Test Your Car's Accessory Socket or Cigarette Lighter
  • Honda Accord
    Troubleshooting a No Spark Problem in Honda Accord
  • closeup of a spark plug firing
    Signs and Symptoms of Spark Plug Problems
  • Photography by Paula Thomas
    What's Better for a Car: Highway or City Miles?
  • Woman checking oil in car
    Learn the Basics of Auto Mechanics
  • Broken car headlight
    How to Replace a Broken Headlight Lens
  • engine cooling fan with fan clutch
    How to Tell If Your Fan Clutch Is Going Bad
  • Close up on a cluster with the check engine warning light on indicating a car failure.
    3 Ways to Reset a Check Engine Light
  • checking engine vacuum on classic car engine
    Engine Vacuum Leak: Symptoms and Solutions
  • using a torque wrench to tighten crankshaft main bearings
    How to Use a Torque Wrench
  • Car Interior, Air conditioning button
    How to Recharge Your Car's Air Conditioner
  • How to Test Your Honda Main Relay
  • Spark Plug
    Fixing Oil-Filled Spark Plug Wells
  • adding engine coolant
    Engine Coolant Leaks: Symptoms and Solutions
  • Primer Spray
    Should I Prime Before Painting a Car?
  • man polishing a clean car
    How to Wash Your Car Like a Professional
  • Battery light
    Dash Lights: The Battery Light on Your Dashboard
  • Checking oil
    Troubleshooting Engine Oil Consumption
  • car air conditioning
    Testing Your AC System for Leaks with a Dye Test
  • Engine Compartment
    How the Alternator on a Car Works
  • Workers inspecting an exhaust system
    Function and Necessity of Exhaust System's Resonator
  • Detail of a mechanic at work on car engine.
    Troubleshooting a Popping Sound Coming From Your Engine
  • Full Frame Shot Of Circuit Board
    How to Use a Circuit Tester
  • A car's fuel gauge.
    How to Replace a Car's Fuel Sending Unit
  • father and son checking oil
    How to Easily Check Your Car's Oil
  • Hands on the steering wheel of a classic car
    Car Trouble: Diagnosing Shaking
  • Refilling the windshield washer system antifreeze
    Car Engine Radiators Require Coolant, Not Just Water
  • Starting car
    What to Do When Your Car Won't Start or Turn Over
  • Clean or Replace Your EGR Valve at Home
    How to Clean a Dirty EGR Valve
  • Apprentice glass blower wearing mask and using lance
    Using a Hot Torch to Loosen Stuck Bolts
  • Man working on removing car battery
    Vehicle Battery and Load Testing
  • Flat tire
    How to Plug a Tire and Quickly Fix Your Flat
  • 2007 Pontiac Solstice GXP tire pressure check
    How to Prepare Your Car for a Road Trip
  • GM family engine close up.
    How to Replace a GM Ignition Module
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