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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 357 (Engine Cooling System) >> Repair Instructions >> Thermostat Bypass Pipe Replacement (LCV) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (GE-47716) Cooling System Draining and Filling (Static) .
  2. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LCV) .
  3. Reposition the engine control module and bracket without disconnecting the module electrical connectors. Refer to Engine Control Module Replacement .
  4. Fig 1: Radiator Inlet Hose And Water Outlet
    GM2811311Courtesy of GENERAL MOTORS COMPANY
  5. Remove the radiator inlet hose (1) from the water outlet (2).
  6. Fig 2: Thermostat Bypass Pipe Fasteners
    GM2811310Courtesy of GENERAL MOTORS COMPANY
  7. Remove the thermostat bypass pipe fasteners (1).
  8. Fig 3: Thermostat Bypass Hose, Bypass Pipe And Water Outlet
    GM2810899Courtesy of GENERAL MOTORS COMPANY
  9. Remove the thermostat bypass hose (2) from the thermostat bypass pipe (1).
  10. Fig 4: Thermostat Bypass Pipe And Gasket
    GM2811312Courtesy of GENERAL MOTORS COMPANY
  11. Remove the thermostat bypass pipe (2) and discard the gasket (1).