Why do GWR Engines make a mysterious ticking noise?

🌕 ⏱️ 10 Second Moon Countdown Timer | Clock Ticking Sound & Alarm

Normal Brake Pad Interference Sound with Brake Rotor when spinning wheels for wheel bearing testing

🔥 Timing Chain Noise? How to Check Engine Strange Sound Like a Pro | Complete Bike Engine Diagnosis

DO THIS: If you hear a Ticking Noise but can't find the tick.

Clock ticking | Clock Ticking Sound Effect for Reels, Shorts & Videos #sound ‪@totalsoundeffect‬