GM Service Manual Online
For 1990-2009 cars only

Radiator Outlet Pipe Replacement LY7

Removal Procedure


    Object Number: 1538811  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  3. Remove the radiator outlet hose from the radiator outlet pipe. Refer to Radiator Outlet Hose Replacement .
  4. Remove the radiator outlet pipe bracket to transmission retaining bolt (3).
  5. Remove the radiator outlet pipe bracket to thermostat housing retaining bolt (1).
  6. Remove the radiator outlet pipe from the thermostat housing.
  7. Important: Install a new O-ring to the radiator outlet pipe.

  8. Remove the radiator outlet pipe O-ring from the radiator outlet pipe.

Installation Procedure


    Object Number: 1538811  Size: SH

    Important: Install a new O-ring to the radiator outlet pipe.

  1. Install the radiator outlet pipe O-ring to the radiator outlet pipe.
  2. Install the radiator outlet pipe to the thermostat housing.
  3. Install the radiator outlet pipe bracket to transmission retaining bolt (3).
  4. Install the radiator outlet pipe bracket to thermostat housing retaining bolt (1).
  5. Install the radiator outlet hose from the radiator outlet pipe. Refer to Radiator Outlet Hose Replacement .
  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .