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Repair 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.
  1. Pressure test the cooling system. Refer to Cooling System Leak Testing (Pressure Test) Cooling System Leak Testing (CO2 Testing) . If the radiator is not leaky, perform the following procedure.
  2. Remove the radiator. Refer to Radiator Replacement .
  3. GM2028254

    Grind the fracture surface (1) with a proper tool.

  4. Drill a hole in the center of the fractured surface, using a 6 mm (0.24 in) drill.
  5. GM2028256

    Install the new radiator mounting pin (2).

    1. Install the nut (3).
      2. NOTE:

      The bolt should not be longer than 35 mm (1.38 in).

    2. Install the radiator mounting pin (2) with the bolt (1).
    6. CAUTION:

    Refer to Fastener Caution .

  6. Tighten the bolt 5 N.m (44 lb in).
  7. Install the radiator. Refer to Radiator Replacement .
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