wet vac cooling fluid draining?

[marlon95]

i remember in some thread one member of this board mentioning that he drained his cooling fuid with a wet vac.
i don't know if it was a joke or not, but i'm seriously considering draining my sludging dex cool cooling fluid by means of a small self priming pump.
i'm already tired of getting a cooling fluid shower and reaching for those impossible to reach drain plugs (knock sensor).
Anybody in this board think this will work?

[Kevin - Blown 95 TA]

I was the guy that did it with a wet vac (actually a Bissel carpet cleaner), And I got that tip from a Vette owner. It takes a while to get it out and I'm not sure it got ALL of it out, but I put some water back in there and did it a couple times til it came back clear when I changed from Dex to green and seems a lot easier than the antifreeze shower-puddle method, and a lot cleaner. That plug near the driver's side motor mount is really hard to get to - headers made it harder, and I don't like fooling with the knock sensor, either. And if you get any antifreeze in your oxygen sensor wires near the sensor, it can foul the sensor.

[TraceZ]

I'm confused. You could drain the radiator that way, but how would you drain the motor? Why not just open the drain valve on the botom of the radiator? I dont see any way a wet vac would suck the coolant from the engine block. Even if you put the suction directly on a radiator hose it would only get the liquid off the top of the motor, not the bottom?

Enlighten me!

[Kevin - Blown 95 TA]

I drained the radiator in the traditional way - it's a no-brainer. I drained the block by taking out the thermostat and sucking the coolant out of the motor with a wet vac. See the light now, trace?

[fastTa]

Shops have been using power extractors for a long time to vacuum the coolant out from the water neck or wherever the thermo is. It works very well.

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