GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Upper Intake Manifold Sight Shield Replacement in Engine Controls.
  3. Disengage the tension on the radiator outlet hose clamp at the thermostat housing using the J 38185 .

  4. Object Number: 1490008  Size: SH
  5. Disconnect the radiator outlet hose (2) from the thermostat housing.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  7. Disengage tension on the radiator outlet hose clamp at the radiator using J 38185 .
  8. Disconnect the radiator outlet hose (2) from the radiator.
  9. Remove the radiator outlet hose (2).

Installation Procedure

    Notice: Make sure the reference marks on the hoses and the radiator are lined up. A twist on the hose would place strain on the radiator fitting which could cause the fitting to crack or break.

    Important: Lubricate the inside diameters of the hose with clean coolant prior to installation.

  1. Install the radiator outlet hose (2).

  2. Object Number: 1490008  Size: SH
  3. Connect the radiator outlet hose (2) to the radiator.
  4. Engage tension on the radiator outlet hose clamp at the radiator.
  5. Lower the vehicle.
  6. Connect the radiator outlet hose to the thermostat housing.
  7. Engage tension on the radiator outlet hose clamp at the thermostat housing.
  8. Install the air cleaner assembly. Refer to Upper Intake Manifold Sight Shield Replacement in Engine Controls.
  9. Fill the cooling system. Refer to Cooling System Draining and Filling .