not cool!

[dooooney]

ok i flushed out my raidiator and the expanson tank to get out the brown crap
but now the engine dont start mabey it ran on it? but nope it still not workin

[Philsutton]

you havent knocked off the main ignition lead by accident have you when getting to the pipes? Other than that flushing the cooling system isnt going to stop your engine from working. You can still run the enigne with no coolant at all, it'll just blow up lol