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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Cooling System) >> Repair Instructions >> Cooling System Draining and Filling >> Filling Procedure

Filling Procedure

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. 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.

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
    2. Fig 1: Radiator Drain Cock
    GM4258432Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  2. Tighten the radiator drain cock (1) to 2 N.m (18 lb in).
  3. Install the front bumper opening lower cover. Refer to Front Bumper Fascia Opening Lower Cover Replacement (Trax) .
  4. Lower the vehicle.
    5. Fig 2: Vent Screw
    GM4258429Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    NOTE:

    The vent screw has a feature (1) to allow air to escape when the vent screw is in the open position.

  5. Remove the vent screw (1) on the radiator and turn in one thread to allow venting of the cooling system.
  6. Slowly add a mixture of 50/50 DEX-COOL® antifreeze and clean drinkable water to the surge tank until coolant is present at the vent screw (1). Approximate Fluid Capacities
  7. Tighten the vent screw (1) to1.9 N.m (17 lb in).
  8. Continue to slowly fill the radiator with a 50/50 coolant mixture until the coolant level reaches the base of the radiator surge tank.
  9. Allow 30 seconds for the coolant level to stabilize and continue to fill the coolant filler neck until the level stabilizes for at least 2 minutes.
  10. Start the engine and allow to the engine to idle in PARK or NEUTRAL with the parking brake engaged.
  11. Slowly fill the coolant mixture until the level stabilizes at the base of the radiator surge tank.
  12. Install the coolant pressure cap.
  13. Raise the engine RPM to 2500 rpm for 30-40 seconds.
  14. Shut the engine OFF.
  15. Allow the engine to cool, remove coolant fill cap and repeat steps 4-10 until the coolant level has completely stabilized within the radiator surge tank.
  16. Inspect and if necessary, fill the coolant reservoir bottle as necessary.
  17. Rinse away any excess coolant from the engine and the engine compartment.
  18. Inspect the cooling system for leaks.
  19. Top off the radiator surge tank if necessary.
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