GM Service Manual Online
For 1990-2009 cars only

Engine Coolant Air Bleed Hose Replacement 3.6L

Removal Procedure

  1. Remove the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement in Body Front End.
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  3. Caution: Refer to Safety Glasses Caution in the Preface section.


    Object Number: 1949693  Size: SH
  4. Release the hose clamp (3) and remove the coolant air bleed hose (2) from the outlet housing (1).

  5. Object Number: 1949687  Size: SH
  6. Release the hose clamp (3) and remove the coolant air bleed hose (2) from the radiator (1).

  7. Object Number: 1949685  Size: SH
  8. Detach and remove the coolant air bleed hose (1) from coolant air bleed hose retaining clips (2) located on the radiator (3).

Installation Procedure


    Object Number: 1949689  Size: SH
  1. Install the air bleed hose (2) onto the radiator (1) spigot (4) and secure with the coolant air bleed hose clamp (3).

  2. Object Number: 1949685  Size: SH
  3. Attach the coolant air bleed hose (1) into the retaining clips (2) located on the radiator (3).

  4. Object Number: 1949693  Size: SH
  5. Install the coolant air bleed hose (2) onto the outlet housing (1) and secure with hose clamp (3).
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  7. Install the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement.
  8. Check the coolant level. Refer to Cooling System Draining and Filling.

Engine Coolant Air Bleed Hose Replacement 6.0L

Removal Procedure

  1. Remove the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement in Body Front End.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling.

  3. Object Number: 1949691  Size: SH
  4. Release the coolant air bleed hose retaining clamp (2) and remove the coolant air bleed hose (1) from the coolant air bleed pipe (3).

  5. Object Number: 1949735  Size: SH
  6. Release the retaining hose clamp (2) on the coolant air bleed hose (1) and remove it from the radiator spigot (3).

Installation Procedure


    Object Number: 1949735  Size: SH
  1. Attach the coolant air bleed hose (1) to the radiator spigot (3)
  2. Secure the coolant air bleed hose (1) with the retaining hose clamp (2)

  3. Object Number: 1949691  Size: SH
  4. Attach and secure coolant air bleed hose (1) to the coolant air bleed pipe (3) and secure with the retaining hose clamp (2).
  5. Fill the cooling system. Refer to Cooling System Draining and Filling.
  6. Install the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement in Body Front End.