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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 118 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (L26)INSTALLATION PROCEDURE
2006 Buick Terraza CXL, 3.5 L, AWD

Installation Procedure

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Installation 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.
    Fig 1: View Of Engine Electrical Connectors (Left Side)
    GM911140Courtesy of GENERAL MOTORS CORP.
  1. Install the negative battery cable into the wiring harness conduit.
  2. Install the battery cable harness to the vehicle.
  3. Install the battery cable harness to the retainers.
  4. Install the engine ground cable (6) to the transaxle stud.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the transaxle stud nut (5).

    Tighten:  Tighten the nut to 30 N.m (22 lb ft).

  6. Install the positive battery cable to the starter motor BAT terminal.
  7. Install the starter solenoid BAT terminal nut.

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

  8. Install the front lower air deflector. Refer to Radiator Air Baffle and Deflector Replacement - Lower in Engine Cooling.
  9. Lower the vehicle.
    10. Fig 2: Identifying Positive Battery Cable, Junction Block Lead Nut & Bussed Electrical Center
    GM911135Courtesy of GENERAL MOTORS CORP.
  10. Install the positive battery cable harness to the BEC.
  11. Install the BEC to the strut tower.
  12. Install the positive battery cable (2) to the BEC (3).
  13. Install the positive battery cable junction block lead nut (1).

    Tighten:  Tighten the nut to 10 N.m (89 lb in).

    14. Fig 3: Identifying Battery Terminals & Ground Wire
    GM911131Courtesy of GENERAL MOTORS CORP.
  14. Install the ground wire (4) and the bolt (3) to the frame.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

  15. Install the positive battery terminal (1) to the battery.

    Tighten:  Tighten the nut to 15 N.m (11 lb ft).

  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (L26)  or Battery Negative Cable Disconnect/Connect Procedure (LY7) .
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.