Tick only happens with engine running, and only under 1,000rpm, idle
Clutch pedal pressure doesn't change the tick
What about when stopped, in 1st gear with clutch pedal down, at that time input shaft and clutch disc are at 0 RPM, so pilot bearing is being used since crank/flywheel is at 750rpm(idle)
What if you let out the clutch slowly so vehicle moves at idle speed?
When clutch is fully released pilot bearing is no longer being used, input shaft and crank/flywheel are at the same RPM
If ticking stops Pilot bearing is the issue
In neutral pilot bearing is not used, input shaft is at same RPM as engine, so should be no tick if its a pilot bearing issue
Not an exhaust leak
Have someone put their hand over tail pipe and see if tick changes
Check spark plug wires, spark arc is "tick" noise.