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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Engine Cooling System - Repair Instructions) >> Repair Instructions >> Radiator Drain Cock Replacement (LT4) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Reposition the front portion of the right front wheelhouse liner. Front Wheelhouse Liner Replacement , or Front Wheelhouse Liner Replacement (Blackwing)
  2. Place a drain pan under the vehicle.
  3. Attach a rubber hose to the radiator drain port to guide the coolant into the drain pan.
  4. GM5876483Courtesy of GENERAL MOTORS COMPANY

    Rotate the radiator drain cock counterclockwise to open. (1)

  5. Radiator Drain Cock (1) - Remove