Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 505 (BATTERY)REPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE REPLACEMENTREMOVAL PROCEDURE

2006 Chevrolet Suburban C2500, 6.0 U

Removal Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Remove the battery tray. Refer to BATTERY TRAY REPLACEMENT .
Remove the heat shield retainer at the upper plenum.

Fig 1: Removing Heat Shield Retainer From Upper Plenum
Courtesy of GENERAL MOTORS CORP.
Remove the heat shield retainer at the wheelhouse panel.
Remove the battery heat shield.
Remove the right rear spark plug wire.

Fig 2: Removing Heat Shield Retainer From Wheelhouse Panel
Courtesy of GENERAL MOTORS CORP.
Remove the battery cable clips.

Fig 3: Battery Cable Clips
Courtesy of GENERAL MOTORS CORP.
Remove the negative battery cable ground nut.
Remove the negative battery cable ground lead (1).

Fig 4: Negative Battery Cable Ground Lead
Courtesy of GENERAL MOTORS CORP.
Remove the battery cables (1) from the engine wiring harness insulator.
Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General information.

Fig 5: Removing Battery Cables From Engine Wiring Harness Insulator
Courtesy of GENERAL MOTORS CORP.
Remove the negative battery cable terminal bolt and terminal (1).
Lower the vehicle.
Remove the negative battery cable.

Fig 6: Negative Battery Cable
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.