General Motors
1997 and Later Chevrolet Malibu - Intermittent Cooling, Blinking Recirculate Button
If you experience intermittent cooling on a 1997 -1999 Chevrolet Malibu coupled with a blinking recirculation button after approximately forty-five minutes of operation, your problem may lie in the control head.

Ignacio Corella has been kind enough to create a detailed article which explains the repair procedure. The article has been made available to us by Cool Profit$ Magazine.
This article (in .PDF format) can be downloaded from the attachment area at the bottom of this page.