How to replace gearbox seal without making a mess

If you've noticed a dark puddle under your car lately, learning how to replace gearbox seal parts might be your next weekend project. It's one of those jobs that sounds a lot more intimidating than it actually is, but ignoring it can lead to a bone-dry transmission and a repair bill that'll make your eyes water. Most of the time, it's just a simple rubber ring that's given up the ghost after years of heat and friction. ...

February 11, 2026 · 6 min · Candace Bausa