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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 439 (BATTERY)REPAIR INSTRUCTIONSBATTERY TRAY REPLACEMENTREMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable from the battery negative terminal. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  2. Disconnect the battery positive cable from the battery positive terminal. Refer to Battery Positive Cable Replacement .
  3. Remove the battery limiter from the vehicle if equipped.
  4. Remove the battery hold-down bolt and retainer.
  5. Remove the battery.
    Fig 1: Removing Battery
    G01699733Courtesy of GENERAL MOTORS CORP.
  6. Remove the battery tray bolts.
  7. Remove the battery tray from the vehicle.
    Fig 2: Removing Battery Tray
    G01699734Courtesy of GENERAL MOTORS CORP.
  8. For gas engines only, remove the vacuum hose and tank from the battery tray.
    Fig 3: Removing Vacuum Hose & Tank From Battery Tray
    G01699735Courtesy of GENERAL MOTORS CORP.
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.