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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Engine Cooling System) >> Repair Instructions >> Radiator Surge Tank Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

With a pressurized cooling system, the coolant temperature in the radiator can be considerably higher than the boiling point of the solution at atmospheric pressure. Removal of the surge tank cap, while the cooling system is hot and under high pressure, causes the solution to boil instantaneously with explosive force. This will cause the solution to spew out over the engine, the fenders, and the person removing the cap. Serious bodily injury may result.

NOTE:

Use only a GM released anti-freeze mixture and ensure a concentration of 50 percent water to 50 percent antifreeze. Antifreeze does not just prevent the cooling system from freezing up, it also protects all the components that are in contact with coolant from rust/limescale deposits. As a result, antifreeze should always be added, even in tropical countries.

In addition to the anti-freeze mixture, water quality also plays an important role. Potable tap water should normally suffice to fulfil this requirement. The quality of regenerated sea water is not suitable.

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Open the cooling system by removing the radiator surge tank cap.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. GM2814203
    NOTE:

    Do NOT drain more than 1.5 liter (1.36 quarts) of coolant fluid to avoid necessity of the coolant system bleeding procedure.

    Install a drain hose, slowly open the drain screw (1) and allow the to drain out max. 1.5 liter (1.36 quarts) coolant fluid into a clean measuring pincher.

  5. Lower the vehicle.
  6. GM2814202

    Disconnect the voltage distribution terminals (1) and the plus terminal clamp (2) from the battery.

  7. Pull the voltage distribution unit forward and lay it on the battery.
  8. GM2189555

    Remove the engine coolant air bleed hose (6), remove the clamp.

  9. Remove the radiator surge tank engine hose (5), remove the clamp.
  10. Remove radiator surge tank clip (2).
  11. Disconnect coolant level sensor wiring harness plug (4).
  12. Remove the radiator surge tank (1), unclip from the bracket (3).
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