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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Heating And Cooling System) >> Repair Instructions >> Cooling System Draining and Filling (Static LC8, LV1, L96) >> Filling Procedure

Filling Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION:

    The procedure below must be followed. Improper coolant level could result in a low or high coolant level condition, causing engine damage.

    NOTE:

    If a complete engine block was drained, the recommended fill is by (Vac-N-Fill).

  1. { If equipped }Engine Coolant Heater - Install - Coolant Heater Replacement (LWN) , or Coolant Heater Replacement (LV1, L96, LC8) 
    2. CAUTION:

    Refer to Fastener Caution .

  2. If the left and right engine block coolant drain plugs were removed, perform the following:
    1. Apply pipe sealer to the drain plugs.
    2. Install the drain plugs and tighten to 22 N.m (16 lb ft).
  3. Radiator Outlet Hose @ Radiator - Install - Radiator Outlet Hose Replacement (LWN) , or Radiator Outlet Hose Replacement (LV1) , or Radiator Outlet Hose Replacement (L96, LC8) 
  4. Lower the vehicle.
  5. Remove the drain pan.
    6. NOTE:

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

  6. Slowly fill the cooling system through the radiator fill neck with a 50/50 coolant mixture. Approximate Fluid Capacities 
  7. Radiator Filler Cap - Install
  8. Fill the coolant recovery reservoir to the proper level.
  9. Start the engine.
  10. Run the engine at 2, 000 - 2, 500 RPM until the engine reaches normal operating temperature.
  11. Allow the engine to idle for 3 minutes.
  12. Shut the engine OFF.
  13. Allow the engine to cool.
  14. Top off the coolant as necessary.
  15. Inspect the concentration of the engine coolant using J 26568  coolant and battery fluid tester.
  16. Rinse away any excess coolant from the engine and the engine compartment.
  17. Check the cooling system for leaks.
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