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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Coolant Pump Replacement (LFV with MRG) >> Installation Procedure

Installation Procedure

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  1. GM5126950Courtesy of GENERAL MOTORS COMPANY

    Heater Coolant Pump (2) - Position in the vehicle.

  2. CAUTION:

    Refer to Fastener Caution .

  3. Heater Coolant Pump Bracket Bolt (1) - Install and tighten 9 N.m (80 lb in) [2x]
  4. GM5126943Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (3) @ Heater Coolant Pump - Install

  5. Reposition engine electrical harness (2) and install the engine electrical harness retainers (1) onto the heater coolant pump bracket.
  6. GM5126947Courtesy of GENERAL MOTORS COMPANY

    Heater Coolant Pump Hose - Outlet (2) @ Heater Coolant Pump - Install

  7. Heater Coolant Pump Hose Clamp (1) - Engage

    Use the BO-38185  Hose Clamp Pliers.

  8. GM5126945Courtesy of GENERAL MOTORS COMPANY

    Heater Coolant Pump Hose - Inlet (2) @ Heater Coolant Pump - Install

  9. Heater Coolant Pump Hose Clamp (1) - Engage

    Use the BO-38185  Hose Clamp Pliers.

  10. Engine Control Module and Bracket - Install Engine Control Module Replacement
  11. Fill the cooling system to the proper level. Cooling System Draining and Filling (GE-47716) , or Cooling System Draining and Filling (Static)
  12. Start the engine and check for coolant leaks.