TrailBlazer 4WD L6-4.2L VIN S (2002)
1. Apply coolant to the end of the heater inlet hose.
IMPORTANT: When installing a new heater inlet hose, place the clamps on the hose before installing the hose to the inlet hose fitting at the engine
block.
2. Install the heater inlet hose (2) to the inlet hose fitting at the engine block.
3. Position the inlet heater hose clamp (1) at the engine block using J 38185.
4. Install the quick connect end of the outlet heater core hose (2) to the heater core.
5. Fill the engine cooling system. Refer to Draining and Filling Cooling System in Cooling System.
