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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) >> Draining Procedure

Draining 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.
WARNING:

To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.

  1. Park the vehicle on a level surface.
  2. Radiator Filler Cap - Remove
  3. Raise and support the vehicle. Lifting and Jacking the Vehicle
  4. Place a drain pan under the vehicle.
  5. Radiator Outlet Hose @ Radiator - Remove - Radiator Outlet Hose Replacement (LWN) , or Radiator Outlet Hose Replacement (LV1) , or Radiator Outlet Hose Replacement (L96, LC8) 
  6. Drain the cooling system.
  7. If a complete engine block drain is required, remove the left and right engine block coolant drain plugs.
  8. { If equipped }Engine Coolant Heater - Remove - Coolant Heater Replacement (LWN) , or Coolant Heater Replacement (LV1, L96, LC8) 
  9. Inspect the coolant.
  10. Follow the appropriate procedure based on the condition of the coolant:
    • Normal in appearance - Follow the filling procedure.
    • Discolored - Follow the flush procedure. Flushing 
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