Xbox 360 - Red Ring of Death Still Happening
The Xbox 360 Red Ring of Death Fix Kit is not a guaranteed fix for a Red Ring Xbox 360, but it is the best solution short of a full replacement.
You can try doing the reflow, which has helped a few people, and may even help you.
We really recommend using a heat gun to do the reflow, as a hair dryer won't typically work as they don't get hot enough.
Here are some relevant threads for others who have had a similar issue.