r/MechanicAdvice Wiki
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Subreddit wiki maintained by working mechanics, collecting answers to recurring questions: maintenance intervals, diagnosing common symptoms, reading OBD-II codes, choosing a shop, and which repairs are realistic for a beginner to attempt.
More resources on Car Maintenance Basics
AutoZone DIY Guides
Free step-by-step repair guides and maintenance tips, often recommended in r/cars
How to Replace Brake Pads and Rotors (Complete Guide)
A 14-minute step-by-step disc brake job: lifting and supporting the car, removing calipers, brackets, pads and rotors, cleaning the hub, greasing guide pins and pad contact points, and torquing bolts to specification.
Auto Repair For Dummies
Wiley's illustrated manual to diagnosing and servicing a car: engine, brakes, cooling, electrical and fuel systems, plus oil changes, tire work and reading warning signs. After it you can handle routine maintenance and describe a fault to a mechanic accurately.
How Cars Work
A short illustrated primer covering 250 automotive parts and systems: engine, transmission, brakes, suspension, steering, fuel and electrical. Drawings and plain explanations let a complete novice follow what happens when a car starts, shifts, or stops.
repairpal.com
RepairPal is a car maintenance and repair resource offering maintenance schedules, how-to guides for common issues, and transparent cost estimates, plus access to a network of certified repair shops.