LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Cooling System Draining and Filling (Static Fill) >> Draining Procedure >> Filling Procedure

Filling Procedure

    NOTE: The procedure below must be followed. Improper coolant level could result in a low or high coolant level condition, causing engine damage.
  1. Install the lower radiator hose to the radiator.
  2. Using the J 38185  reposition the lower radiator hose clamp. See Special Tools .
  3. If the left and right engine block coolant drain plugs were removed, perform the following.
    1. Apply pipe sealer to the drain plugs.
      2. NOTE: Refer to Fastener Notice .
    2. Install the drain plugs.

      Tighten:  Tighten the drain plugs to 60 N.m (44 lb ft).

  4. Install the engine block coolant heater, if equipped. Refer to Coolant Heater Replacement .
  5. Lower the vehicle.
  6. Open the cooling system bleeder screws, if equipped.
    7. IMPORTANT: Use a 50/50 mixture of DEX-COOL antifreeze and clean, drinkable water.
  7. Slowly fill the cooling system with a 50/50 coolant mixture. Refer to Approximate Fluid Capacities .
  8. Close the cooling system bleeder screws, if equipped.
  9. Install the coolant pressure cap.
  10. Start the engine.
  11. Run the engine at 2,000-2,500 RPM until the engine reaches normal operating temperature.
  12. Allow the engine to idle for 3 minutes.
  13. Shut the engine OFF.
  14. Allow the engine to cool.
  15. Top off the coolant as necessary.
  16. Inspect the concentration of the engine coolant using the J 26568  . See Special Tools .
  17. Rinse away any excess coolant from the engine and the engine compartment.
scientia non olet · About LEMON Manuals