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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 410 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENT (LY7 WITH SIDE POST)INSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Stud Securing Battery Negative Cable To Engine Block
    GM1522523Courtesy of GENERAL MOTORS CORP.
  1. Install and position the negative battery cable.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the negative battery cable to engine block stud and tighten to 50 N.m (37 lb ft).
    3. Fig 2: View Of Battery Area Mounts And Connectors
    GM772418Courtesy of GENERAL MOTORS CORP.
  3. Install the bolt (1) securing the negative battery cable to the side rail and tighten to 36 N.m (27 lb ft).
  4. Connect the body harness connector (3) to the negative battery cable.
    5. Fig 3: Instrument Panel (I/P) Harness Electrical Connector
    GM1484712Courtesy of GENERAL MOTORS CORP.
  5. Connect the I/P harness electrical connector (1) to the battery current sensor.
  6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Side Post) .
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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.