Unless you go to extraordinary length working under the car you run the risk of getting road debris, sand etc. in your coolant. I would not do this and put back into the engine. Everything is much more expensive than coolant.
I think what you're asking is there a way to prevent total loss? If this is the case you can clamp off the 2 main hoses to the radiators and at least save that volume.
Everything in the engine will drain when you pull the pump.
Last edited by 911monty; 01-04-2017 at 03:07 PM.
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