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Home >> Chevrolet >> 2006 >> Uplander Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Flushing >> Flushing Procedure

Flushing Procedure

  1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (Vac-N-Fill) .
  2. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement .
  3. Clean and flush the coolant recovery reservoir with clean, drinkable water.
  4. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement .
  5. Follow the drain and fill procedure using only clean, drinkable water. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (Vac-N-Fill) .
  6. Run the engine for 20 minutes.
  7. Stop the engine.
  8. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (Vac-N-Fill) .
  9. Repeat the procedure if necessary, until the fluid is nearly colorless.
  10. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (Vac-N-Fill) .
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