Grand Prix V6-191 3.1L (1989)
Figure 2
*
Remove the two top screws from the module, one on each side. These two screws will be used to mount the new heater outlet duct, see Fig. 2.
*
Install the 1/8 X 3/4 in. foam tape to the grooved mounting surface of the new heater outlet duct, approximately 11-3/4in of tape across the top of
the outlet duct and 7 in. of tape on each side. Trim off excess tape.
*
Install the new heater outlet duct to the module, see Fig. 2.