Try adjusting your pedal
Leaks from where? If it's leaking around the pedal, you have a bad mastercylinder. If it's leaking at all, you have to fix that, then bleed the whole system. Not a major thing but I wouldn't drive it like that. if it fails completely, you won't have any brakes.
The radiator will need to be replaced. Sometimes, it may seem that the radiator itself is leaking but it could be the radiator "hose" that is leaking. In this case, the radiator hose needs to be replaced and clamped tightly.
Blown head gastet, radiator leaking, thermostat needs to be replaced Blown head gastet, radiator leaking, thermostat needs to be replaced
waterpump is leaking and should be replaced or the gasket may be worn out and need to be replaced
The seals in the pump are leaking and the pump needs to be replaced.
your heater core is leaking. Needs to be replaced
If the shock is leaking it must be replaced. Replace both shocks in pairs.
Yuor battery is leaking fluids or gases. The battery likely needs replaced.
If your talking about coolant leaking on the passenger floor then it means your heater core is leaking and needs to be replaced.
What joint exactly is leaking on you p-trap?
Can be leaking from a hose not secured properly or a hole in the system.
it can be replaced, but you wont be able to find it