Flushing coolant, what's easier?

[JonBishop]

Gotta get coolant flushed and refilled, don't know if it's easier to take it in to a shop and have it serviced or to do it myself, already called one place and they said for $150 they'd be able too...

 

[08H3]

I was skeptical of this product at first. Anything that asks me to just go hacking at things under the hood with a razor blade does make me question the wisdom of it, but this is about the best $5 a DIY'er can invest in.

http://www.prestone.com/products/print/461?popup=1