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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 385 (BATTERY, CHARGING SYSTEM & STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY POSITIVE CABLE REPLACEMENT (6.6L (LB7) ENGINE)INSTALLATION PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the positive cable to the vehicle.
  2. Install the positive cable to the starter.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the starter lead nut.

    Tighten:  Tighten the nut to 9 N.m (80 lb in).

    4. Fig 1: View Of Positive Battery Cable Nut & Cable From The Starter (6.6L (LB7) Engine)
    GM674619Courtesy of GENERAL MOTORS CORP.
  4. Install the battery positive cable in the retainer.
  5. Install the positive cable retainer and nut.

    Tighten:  Tighten the nut to 12 N.m (106 lb in).

    6. Fig 2: View Of Battery Cable Bracket Nut
    GM673568Courtesy of GENERAL MOTORS CORP.
  6. Install the battery positive cable to the channel.
  7. Install the battery cable channel bolts.

    Tighten:  Tighten the bolts to 8 N.m (71 lb in).

    8. Fig 3: View Of Battery Cable Bracket Bolts At Lower Crankcase (6.6L (LB7) Engine)
    GM673564Courtesy of GENERAL MOTORS CORP.
  8. Lower the vehicle.
  9. Install the negative cable clip to the clip on the positive cable.
  10. Install the positive cable (1) into the junction block.
    11. Fig 4: View Of Battery Cables At Junction Block
    GM662521Courtesy of GENERAL MOTORS CORP.
  11. Snap the junction block cover closed.
  12. Tighten the positive cable bolt at the UBEC.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    13. Fig 5: View Of Underhood Bussed Electrical Center Positive Cable Bolt
    GM847253Courtesy of GENERAL MOTORS CORP.
  13. Install the positive battery cable.
  14. Tighten the positive battery cable.

    Tighten:  Tighten the bolt to 17 N.m (13 lb ft).

    15. Fig 6: View Of Battery & Positive Battery Cable
    GM662504Courtesy of GENERAL MOTORS CORP.
  15. Snap the positive battery cable cap closed.
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
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.