K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
7. If equipped without RPO C36 auxiliary heater, connect the surge tank outlet hose to the heater and blower module.
Firmly push the hose onto the heater and blower module pipe until an audible click is heard.
8. If equipped with RPO C36 auxiliary heater, install the surge tank/heater outlet hose (1) to the mounting clip.
9. If equipped without RPO C36 auxiliary heater, install the surge tank/heater outlet hose (1) to the mounting clip.