Every mechanic should see this

How do mechanics remove stubbornly stuck CV axles without breaking the transmission?! 🚗🔧
If you are replacing a front-wheel-drive CV axle, pulling it out of the transmission can be an absolute nightmare. The splined shaft is held inside the gearbox by a tiny, stubborn metal retaining ring called a C-clip. Most backyard mechanics try to force the axle out using giant pry bars, which often gouges or completely cracks the soft aluminum transmission housing, leading to a catastrophic fluid leak!
Professional mechanics use this brilliant "shock and awe" hack instead. By sliding an open-ended wrench right between the transmission case and the heavy metal axle cup, they create a perfect wedge. Then, they take a pneumatic air hammer and hit the wrench! The rapid, violent vibration transfers directly into the axle cup, instantly compressing the internal C-clip and safely popping the splines completely free in a matter of seconds!