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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 677 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Inlet (LB7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the heater hose.
  2. Connect the auxiliary inlet heater hose if equipped.
  3. Install the inlet heater hose (1) to the engine coolant outlet.
  4. Reposition the inlet heater hose clamp to the engine coolant outlet.
  5. Connect the heater and surge tank hoses to the heater core. Firmly push the quick connect onto the heater core pipe until you hear an audible click.
  6. Install the heater and surge tank hose to the mounting clip.
  7. Install the air intake tube.
  8. Fill the cooling system.
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