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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 637 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet (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 outlet heater hose.
  2. Install the outlet heater hose to the outlet pipe assembly.
  3. Install the auxiliary outlet heater hose if equipped.
  4. Install the NEW outlet heater hose nut (2) and bolt (3) to the engine. Tighten the nut and bolt to 25 N.m (18 lb ft).
  5. Connect the outlet heater hose to the heater core. Firmly push the quick connect onto the heater core pipe until you hear an audible click.
  6. Install the outlet heater hose to the mounting clip.
  7. Install the air intake tube.
  8. Fill the cooling system.
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