heater core repacement, 1997 Blazer

How do you get to the heater core? I've heard you go under the dash or throught the wheel well. Who's righr?

Welcome to AF

Sorry that no one got back to you earlier.

There's a funny related thread on the subject.

This link is for a 96, but your truck is probably the same.
http://www.automotiveforums.com/vbulletin/showthread.php?t=471259&highlight=heater+core+replacement

If it isn't try a search for heater core replacement on this board first.
And if you don't find what you need to know tell us on this thread.