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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Cooling System) >> Repair Instructions >> Draining and Filling Cooling System >> Filling Procedure

Filling Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the lower radiator hose to the radiator.
  2. Using the J 38185  , reposition the lower radiator hose clamp.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. If the engine block drain plug was removed, perform the following:
    • Apply pipe sealer to the drain plug.
    • Install the drain plug.

      Tighten 

      Tighten the drain plug to 22 N.m (16 ft lbs).

  4. Lower the vehicle.
  5. Using the J 38185  , reposition the upper radiator hose clamp at the radiator.
  6. Remove the upper radiator hose from the radiator.
  7. Remove the air bleed hose from the radiator.
  8. Place a funnel into the upper radiator hose.

    Important:  Use a 50/50 mixture of DEX-COOL antifreeze and clean, drinkable water.

    Fig 1: Placing Funnel Into Upper Radiator Hose
    G02079121Courtesy of GENERAL MOTORS CORP.
  9. Slowly fill the cooling system through the upper hose with a 50/50 coolant mixture until the coolant comes out of the coolant air bleed hose.
  10. Connect the upper radiator hose to the radiator.
  11. Using the J 38185  , position the hose clamp into the original position on the hose.
  12. Connect the coolant air bleed hose at the radiator.
  13. Fill the radiator with coolant through the filler neck.
  14. Rinse away any excess coolant from the engine and the engine compartment.
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