8 guides
DIY & buyer’s guides
What to buy, what to check, and what to ask at the parts counter.
How to Choose and Replace a Car Battery
Group size, CCA, AGM vs. flooded, and how to tell if yours is really dead.
Read →Brake Pads: When to Replace Them and Which Kind to Buy
Wear signs, ceramic vs. semi-metallic, rotors, and bedding in new pads.
Read →Alternator Problems: Symptoms, Testing, and Replacement
Is it the battery or the alternator? How to tell, test, and buy the right one.
Read →Bad Starter or Dead Battery? How to Diagnose a No-Start
What clicking, grinding, and silence mean, and how to test before you buy.
Read →Spark Plugs: When to Change Them and How to Buy the Right Set
Copper vs. platinum vs. iridium, intervals, gap, torque, and misfire codes.
Read →Wiper Blades: Sizes, Types, and When to Replace Them
Streaks and chatter, beam vs. conventional vs. hybrid, and getting the size right.
Read →Oil Changes at Home: Picking the Right Oil and Filter
Viscosity, certifications, how much oil, the right filter, and recycling.
Read →How to Find the Right Part Using Your VIN
Where to find your VIN, what the 17 characters mean, and how to avoid wrong parts.
Read →