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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 357 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Thermostat Housing Replacement (LGX) >> Installation Procedure

Installation 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.
    Fig 1: Engine Coolant Thermostat Housing Inlet Pipe O-Ring Seal
    GM4568453Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install a NEW O-ring seal.

  1. Install Engine Coolant Thermostat Housing Inlet Pipe O-ring Seal (1)
  2. Fig 2: Engine Coolant Thermostat Housing, Bolts And Seal
    GM4291637Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install a NEW engine coolant thermostat housing seal.

  3. Install Engine Coolant Thermostat Housing Seal (3)
  4. Install Engine Coolant Thermostat Housing (2)
  5. CAUTION:

    Refer to Fastener Caution .

  6. Install and tighten Engine Coolant Thermostat Housing Bolts (1) (Qty: 2) to 10 N.m (89 lb in)
  7. Fig 3: Engine Coolant Thermostat Housing Inlet Pipe
    GM4569124Courtesy of GENERAL MOTORS COMPANY
  8. Insert the engine coolant thermostat housing inlet pipe (1) to the thermostat housing.
  9. Fig 4: Engine Coolant Thermostat Housing Inlet Pipe Bolt
    GM4568439Courtesy of GENERAL MOTORS COMPANY
  10. Install and tighten Engine Coolant Thermostat Housing Inlet Pipe Bolt (1) to 10 N.m (89 lb in)
  11. Fig 5: Engine Coolant Air Bleed Pipes And O-Ring Seals
    GM4568352Courtesy of GENERAL MOTORS COMPANY
  12. Install Engine Coolant Air Bleed Pipes (1). Refer to Engine Coolant Air Bleed Pipe Replacement (LGX) 
  13. Install Engine Rear Noise Shield. Refer to Engine Rear Noise Shield Replacement
  14. Fig 6: Fuel Injection Fuel Rail Noise Shield
    GM4310762Courtesy of GENERAL MOTORS COMPANY
  15. Install Fuel Injection Fuel Rail Noise Shield (1). Refer to Fuel Injection Fuel Rail Noise Shield Replacement
  16. Fill the cooling system. Refer to Cooling System Draining and Filling (GE-47716) Cooling System Draining and Filling (Static) 
  17. Start the engine and check for leaks.