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Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation, And Air Conditioning System >> Repair Instructions >> Heater Inlet Hose Replacement (LGX without C69 Heater Core Inlet Tube to Heater Inlet and Outlet Pipe)

Heater Inlet Hose Replacement (LGX without C69 Heater Core Inlet Tube to Heater Inlet and Outlet Pipe)

GM5342389Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Callout Component Name
Preliminary Procedure 
Drain the cooling system. Cooling System Draining and Filling (Static Fill LCV, LGX) , or Cooling System Draining and Filling (GE-47716 LCV, LGX)
1 Heater Inlet Hose Retainer
2 Heater Outlet Hose Clip [2x]
3 Heater Inlet Hose Clamp
Procedure 
Hose Clamp Replacement Guidelines - Spring Type
4 Heater Inlet Hose

Procedure

  1. Fill the cooling system to the proper level. Cooling System Draining and Filling (Static Fill LCV, LGX) , or Cooling System Draining and Filling (GE-47716 LCV, LGX)
  2. Start the engine and check for coolant leaks.