GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 38185 Hose Clamp Pliers


    Object Number: 70049  Size: SH
  1. Remove air cleaner assembly and the throttle body air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Important: To prevent shearing of rubber bushing(s) loosen bolt(s) on engine strut(s) before swinging strut(s).

  4. Remove the engine strut brace bolts from the upper tie bar and rotate the struts and braces rearward. Refer to Engine Mount Strut Bracket Replacement in Engine Mechanical - 3.1L.
  5. Remove the electric cooling fans. Refer to Engine Cooling Fan Replacement .
  6. Remove the radiator bracket bolts and the radiator brackets.
  7. Use the J 38185 in order to reposition the hose clamp at the radiator inlet hose.
  8. Disconnect the radiator inlet hose from the radiator.
  9. Use the J 38185 in order to reposition the hose clamp at the radiator outlet hose.
  10. Disconnect the radiator outlet hose from the radiator.
  11. Remove the coolant level module. Refer to Coolant Level Module Replacement .
  12. Disconnect the transaxle oil cooler pipes from the radiator. Refer to Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T65-E.
  13. Remove the transaxle oil cooler pipes from the retainer at the bottom of the radiator.

  14. Object Number: 3348  Size: SH
  15. Remove the radiator.

Installation Procedure


    Object Number: 3348  Size: SH
  1. Install the radiator mounts to the openings in the lower tie bar.
  2. Install the transaxle oil cooler pipes to the retainer at the bottom of the radiator.
  3. Connect the transaxle oil cooler lines to the radiator. Refer to Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T65-E.
  4. Install the coolant level module. Refer to Coolant Level Module Replacement .
  5. Connect the outlet hose to the radiator.
  6. Use the J 38185 in order to reposition and install the hose clamp at the radiator outlet hose.
  7. Connect the inlet hose to the radiator.
  8. Use the J 38185 in order to reposition and install the hose clamp at the radiator inlet hose.

  9. Object Number: 70049  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  10. Install the radiator brackets and radiator bracket bolts.
  11. Tighten
    Tighten the radiator bracket bolts to 24 N·m (18 lb ft)

  12. Install the electric cooling fans. Refer to Engine Cooling Fan Replacement .
  13. Install the engine mount struts to the proper position. Refer to Engine Mount Strut Bracket Replacement .
  14. Rotate the struts and braces forward. Install the engine strut brace bolts to the upper tie bar. Refer to Engine Mount Strut Bracket Replacement \ in Engine Mechanical - 3.1L.
  15. Fill the cooling system. Refer to Cooling System Draining and Filling .
  16. Install the air cleaner assembly and the throttle body air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L.
  17. Inspect for leaks.