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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 130 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR REPLACEMENTREMOVAL PROCEDURE
2006 Buick Terraza CXL, 3.5 L, AWD

Removal Procedure

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Removal Procedure
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (L26) or Battery Negative Cable Disconnect/Connect Procedure (LY7) .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.8L engine or to Air Cleaner Assembly Replacement for the 3.6L (LY7) engine.
  3. Drain the cooling system. Refer to Draining and Filling Cooling System (L26 Static Fill) , Draining and Filling Cooling System (LY7 Static Fill)  or Draining and Filling Cooling System (L26, LY7, GE 47716 Fill) .
  4. Remove the right and the left engine mount struts. Refer to Engine Mount Strut Replacement - Left and Engine Mount Strut Replacement - Right for the 3.8L engine or to Engine Mount Strut Replacement - Left for the 3.6L (LY7) engine and Engine Mount Strut Replacement - Right for the 3.6L (LY7) engine.
    5. Fig 1: Removing/Installing Radiator Hoses To/From Radiator
    GM455227Courtesy of GENERAL MOTORS CORP.
  5. Use J 38185  to remove the inlet hose clamp from the radiator. See Special Tools .
  6. Remove the inlet hose from the radiator.
  7. Remove the powertrain control module (PCM) harness clip from the fan shroud.
  8. Remove the transmission oil cooler lines from the retainer clip at the bottom of the cooling fan shroud.
  9. Remove the fan shroud clip from the condenser tubes.
    10. Fig 2: Identifying Fan Shroud To Condenser Hold Down Bracket Bolt
    GM1202860Courtesy of GENERAL MOTORS CORP.
  10. Remove the bolt that connects the fan shroud to the condenser hold down bracket.
  11. Remove the air deflectors from the top of the radiator.
    12. Fig 3: Removing/Installing Cooling Fan Shroud
    GM1202851Courtesy of GENERAL MOTORS CORP.
  12. Remove the cooling fan shroud bolts.
  13. Remove the coolant reservoir hose from the radiator overflow neck.
    14. Fig 4: View Of Fan Shroud To Radiator Upper Support Brackets
    GM1202856Courtesy of GENERAL MOTORS CORP.
  14. Remove the radiator upper support brackets and bolts that connect to the fan shroud.
  15. Disconnect the engine cooling fan motors electrical connectors.
  16. Remove the cooling fan motors electrical harness from the fan shroud clips.
  17. Remove the cooling fan shroud.
  18. Use J 38185  to remove the outlet hose clamp from the radiator. See Special Tools .
  19. Remove the outlet hose from the radiator.
  20. Disconnect the transaxle oil cooler pipes from the radiator. Refer to Transmission Fluid Cooler Line Quick Connect Fitting for the 4T65-E transaxle.
  21. Tilt the top of the radiator rearward.
    22. Fig 5: Removing/Installing Condenser Hold Down Bracket & Mount Tabs
    GM1202952Courtesy of GENERAL MOTORS CORP.
  22. Remove the condenser hold down bracket (1) from the radiator.
  23. Lift the condenser from the mounting tabs on the radiator (2). Position the condenser aside.
  24. Remove the radiator.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.