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 and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L or Air Cleaner Element Replacement in Engine Controls - 3.8L.
  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 strut(s) and brace(s) rearward. Refer to Engine Mount Strut Bracket Replacement in Engine Mechanical - 3.1L or Engine Mount Strut Bracket Replacement in Engine Mechanical - 3.8L.
  5. Remove the electric cooling fans. Refer to Engine Cooling Fan Replacement in this section.
  6. Remove the upper radiator brackets and bolts.
  7. Disconnect the clamp from the upper hose at the radiator using the J 38185 .
  8. Disconnect the clamp from the lower hose at the radiator using the J 38185 .

  9. Object Number: 3348  Size: SH
  10. Remove the low coolant module. Refer to Coolant Level Module Replacement in this section.
  11. Disconnect the transaxle oil cooler lines from the radiator. Refer to one of the following:
  12. •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T60-E
    •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T60-E
    •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T65-E
    •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T65-E
  13. Remove the radiator.

Installation Procedure


    Object Number: 3348  Size: SH
  1. Install the radiator to the lower mounts.
  2. Connect the transaxle oil cooler lines to the radiator. Refer to one of the following:
  3. •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T60-E
    •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T60-E
    •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T65-E
    •  Automatic Transmission Oil Cooler Pipes Replacement in Automatic Transaxle - 4T65-E
  4. Install the low coolant module. Refer to Coolant Level Module Replacement in this section.
  5. Connect the clamp to the upper hose at the radiator using the J 38185 .
  6. Connect the clamp to the lower hose at the radiator using the J 38185 .

  7. 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.

  8. Install the radiator brackets and bolts.
  9. Tighten
    Tighten the bolts to 24 N·m (18 lb ft)

  10. Install the electric cooling fans. Refer to Engine Cooling Fan Replacement in this section.
  11. Move the Engine strut(s) to the proper position. Refer to Engine Mount Strut Bracket Replacement in Engine Mechanical - 3.1L or Engine Mount Strut Bracket Replacement in Engine Mechanical - 3.8L.
  12. Fill the cooling system. Refer to Cooling System Draining and Filling .
  13. Install the air cleaner and the duct assembly. Refer to Air Cleaner Assembly Replacement or Air Cleaner Element Replacement . in Engine Controls.
  14. Inspect for leaks.