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Home >> Chevrolet >> 2011 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Engine Cooling System) >> Repair Instructions >> Flushing
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Repair Instructions: Flushing

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • When the cooling system becomes contaminated, the cooling system should be flushed thoroughly to remove the contaminants before the engine is seriously damaged.
  • This procedure is effective in removing contaminants caused by the use of improper coolants, coolant at the end of its life, or some liquid chemical flushing agents. This procedure is NOT effective for removing debris contamination caused by component failure, or the use of 'stop leak' additives. When the system is contaminated by this type of debris, use the system flow diagrams to identify components that may need replacement to restore proper system flow.
  • Do not use chemical flush agents.
  • Store used coolant in the proper manner, such as in a used engine coolant holding tank. Do not pour used coolant down a drain. Ethylene glycol antifreeze is a very toxic chemical. Do not dispose of coolant into the sewer system or ground water. This is illegal and ecologically unsound.
  • Various methods and equipment can be used to flush the cooling system. If special equipment is used, such as a back flusher, follow the manufacturer's instruction. Always remove the thermostat before flushing the cooling system.
  1. Block the drive wheels.
  2. Place the transmission in PARK (P).
  3. Engage the park brake.
  4. Run the engine until the thermostat opens.
  5. Stop the engine.
    6. WARNING:

    Approved safety glasses and gloves should be worn when performing this procedure to reduce the chance of personal injury.

  6. Follow the drain and fill procedure using only clean drinkable water. Repeat the procedure if necessary, until the fluid is nearly colorless. Cooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (Static Fill) .
  7. Fill the cooling system when flushing is complete. Cooling System Draining and Filling (GE 47716) Cooling System Draining and Filling (Static Fill) .
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