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.

Drain the cooling system. Refer to Cooling System Draining and Filling (GE-47716) Cooling System Draining and Filling (Static)

Fig 1: Fuel Injection Fuel Rail Noise Shield

Courtesy of GENERAL MOTORS COMPANY

Remove Fuel Injection Fuel Rail Noise Shield (1). Refer to Fuel Injection Fuel Rail Noise Shield Replacement

Fig 2: Engine Coolant Air Bleed Pipes And O-Ring Seals

Courtesy of GENERAL MOTORS COMPANY

Remove Engine Coolant Air Bleed Pipes (1). Refer to Engine Coolant Air Bleed Pipe Replacement (LGX)
Remove Engine Rear Noise Shield. Refer to Engine Rear Noise Shield Replacement

Fig 3: Engine Coolant Thermostat Housing Inlet Pipe Bolt

Courtesy of GENERAL MOTORS COMPANY

Remove Engine Coolant Thermostat Housing Inlet Pipe Bolt (1)

Fig 4: Separating Engine Coolant Thermostat Housing Inlet Pipe From Thermostat Housing

Courtesy of GENERAL MOTORS COMPANY

Using a suitable flat bladed tool as shown, separate the engine coolant thermostat housing inlet pipe from the thermostat housing.

Fig 5: Engine Coolant Thermostat Housing, Bolts And Seal

Courtesy of GENERAL MOTORS COMPANY

Remove Engine Coolant Thermostat Housing Bolts (1) (Qty: 2)
Remove Engine Coolant Thermostat Housing (2)
Remove and DISCARD Engine Coolant Thermostat Housing Seal (3)

Fig 6: Engine Coolant Thermostat Housing Inlet Pipe O-Ring Seal

Courtesy of GENERAL MOTORS COMPANY

Remove and DISCARD Engine Coolant Thermostat Housing Inlet Pipe O-ring Seal (1)