Where is the fuel filter located in a 2005 Chevy Trailblazer?

It is located in the tank along with the fuel sending assembly. According to GM, it is unserviceable. To GM, this means that the fuel filter isn't serviced during normal routine service intervals. However, to the consumer, it doesnt mean that it never will have to be serviced. In the event of pumping bad gas, or a clog from just normal use over alot of miles, it will have to be replaced.

Unfortunately, the fuel filter will be pricey when you have to have it serviced.