Gas / OBD-II 11,174
Diesel 2,575
Equipment
EV & Specialty
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Daily-use references for working techs. Torque specs, fluid capacities, reset procedures, and more.
Common torque specifications by component -- lug nuts, drain plugs, spark plugs, and brake calipers.
Engine oil type and capacity by vehicle. Toyota, Honda, Ford, GM, Nissan, Subaru, BMW, and more.
Step-by-step tire pressure monitoring system reset procedures by make.
How to reset the oil change light and oil life monitor by make and model.
Common fuse locations, ratings, and diagrams for popular vehicles.
Engine oil, transmission fluid, coolant, brake fluid, and power steering fluid types by make and model.
Complete 16-pin J1962 pinout, the five OBD-II protocols, and where to find the port on every major make.
Spark plug gap specs, plug types, and NGK/Denso/Bosch part numbers for popular vehicles.
Recommended tire pressure by vehicle, cold vs hot pressure, and TPMS light troubleshooting.
BCI group sizes, CCA ratings, and battery specs for popular vehicles by make and model.
How much coolant does your car take? Total cooling system capacity and type for 30+ popular vehicles.
How to find your belt diagram plus length and part numbers for 15+ popular makes. Replacement tips and failure signs.
Every dashboard warning light explained. Check engine, oil, battery, ABS, TPMS, airbag, DPF, DEF, and more -- what each means and what to do.
OBD-II monitors explained. Why they show 'not ready', how to run a drive cycle, and how many states allow for emissions testing.
Decode your 17-character VIN yourself. Every position explained -- country, manufacturer, engine, model year, plant, serial.
When to replace brake pads. New pad thickness, minimum safe thickness, wear indicators, pad life expectancy, and DIY vs shop cost.
What does P215/65R16 mean? Every character on a tire sidewall explained -- service type, width, aspect ratio, load index, and speed rating.
0W-20 vs 5W-30 explained. Winter grade, hot grade, synthetic vs conventional, when thicker is better, and OEM oil specs for 30+ vehicles.
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