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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Heating, Ventilation, And Air Conditioning System) >> Repair Instructions >> Auxiliary Heater Inlet and Outlet Hose Replacement (Intermediate & C36) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING:

    Provide additional support when a vehicle is on a hoist in the following ways:

    • Before removing parts, support the opposite end. This helps prevent the vehicle from slipping off. 
    • Before removing major components, chain the vehicle frame to the hoist pads at the same end as the removal. This helps avoid a tip-off. 

    Failure to follow these precautions could cause vehicle damage, serious personal injury, or death.

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Drain the cooling system. Cooling System Draining and Filling (Static Fill LWN) , or Cooling System Draining and Filling (GE 47716 LWN) , or Cooling System Draining and Filling (Static LC8, LV1, L96) , or Cooling System Draining and Filling (GE47716 LC8, LV1, L96)
  3. GM4588046Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Exhaust has been removed for graphic clarity.

    NOTE:

    One rivet is inaccessible and will leave the catalytic converter heat shield secured to the vehicle.

    Remove seven visible rivets (1) securing the catalytic converter heat shield (2) and rotate out of the way. Exhaust Heat Shield Replacement - Body Panel

  4. GM4846417Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Heater Inlet and Outlet Hose Clip Nut (1) @ Auxiliary Heater Inlet and Outlet Hose (2) - Remove

  5. GM4846418Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Heater Inlet and Outlet Hose Clip Bolt (1) @ Auxiliary Heater Inlet and Outlet Hose (2) - Remove

  6. GM4846207Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [2x] - Hose Clamp Replacement Guidelines - Spring Type

  7. Auxiliary Heater Inlet and Outlet Hose (2) @ Auxiliary Heater Inlet and Outlet Pipe - Remove
  8. GM4846419Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Heater Inlet and Outlet Hose (1) @ Auxiliary Heater Inlet and Outlet Hose- Rear (2) - Remove - Auxiliary Heater Inlet and Outlet Hose Replacement (Intermediate & C36) , or Auxiliary Heater Inlet and Outlet Hose Replacement (Rear & C36) 

  9. Auxiliary Heater Inlet and Outlet Hose (2) - Remove