Heater Core Tube Replacement

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Heater Core Tube

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Drain the coolant. Refer to Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (Vac N Fill) . Remove heater inlet hose from heater core. Refer to Heater Inlet Hose Replacement . Remove heater outlet hose from heater core. Refer to Heater Outlet Hose Replacement . Remove heater core cover. Refer to Heater Core Cover Replacement .
1	Heater Core Tube Clip (Qty: 2) Procedure Use new Heater Core Tube Clips upon installation.
2	Heater Core Tube Procedure Cap or plug heater core, hoses and tubes to prevent any fluid leakage. Position tube forward to release from heater core and slide rearward to remove. TIP: Ensure heater core tube seals are in place upon installation.

Callout

Component Name

Preliminary Procedure

Drain the coolant. Refer to Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (Vac N Fill) .
Remove heater inlet hose from heater core. Refer to Heater Inlet Hose Replacement .
Remove heater outlet hose from heater core. Refer to Heater Outlet Hose Replacement .
Remove heater core cover. Refer to Heater Core Cover Replacement .

Heater Core Tube Clip (Qty: 2)
Procedure
Use new Heater Core Tube Clips upon installation.

Heater Core Tube

Procedure

Cap or plug heater core, hoses and tubes to prevent any fluid leakage.
Position tube forward to release from heater core and slide rearward to remove.

TIP: Ensure heater core tube seals are in place upon installation.