WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Heater & Cooling Unit Components
Courtesy of SUZUKI OF AMERICA CORP.
CAUTION:
Be careful not to damage A/C evaporator fins. If A/C evaporator fin is bent, straighten it by using flat head screwdriver or pair of pliers.