Working on your own car is both fun and cost-effective. But it’s also another, secret third thing: educational. Wrenching can teach you all sorts of new skills, from wiring and diagnostics to things as simple as “knowing when your torque wrench actually clicked, so you don’t wildly over-torque your transmission drain plug and almost destroy your gearbox by sending shards of crush washer into the sump.” Not that I’d know anything about the latter, of course.
But wrenching, in a Zen And The Art Of Motorcycle Maintenance way, can teach you about things beyond the motor vehicle. It can