Removal and Replacement

2012 Chevrolet Express 2500 V8-4.8LSECTION Removal and Replacement



Battery Replacement (Primary)

Removal Procedure

Warning

Batteries produce explosive gases. Batteries contain corrosive acid. Batteries supply levels of electrical current high enough to cause burns. Therefore, in order to reduce the risk of personal injury while working near a battery, observe the following guidelines:

* Always shield your eyes.

* Avoid leaning over the battery whenever possible.

* Do not expose the battery to open flames or sparks.

* Do not allow battery acid to contact the eyes or the skin.

- Flush any contacted areas with water immediately and thoroughly.

- Get medical help.

1. Remove the fender brace.





2. Disconnect the battery negative cable from the negative battery terminal. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.

3. Disconnect the battery positive cable from the positive battery terminal. Refer to Battery Positive Cable Replacement (V8) Battery Positive Cable ReplacementBattery Positive Cable Replacement (LGH - Auxiliary) Battery Positive Cable Replacement (V6) Battery Positive Cable ReplacementBattery Positive Cable Replacement (LGH - Primary) .





4. Remove the battery hold-down retainer bolt and retainer.

5. Remove the battery from the vehicle.

6. Inspect the battery for:

* Damage

* Worn or corroded cables and connectors

* Damage or foreign objects in the battery carrier

7. If damage is noted, find and correct the cause.

8. Clean any corrosion form the battery cables and connectors.

9. Clean the battery tray and remove any foreign objects from the tray.

Installation Procedure





1. Install the battery into the battery tray.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the battery hold-down retainer and bolt and tighten to 18 Nm (12 lb ft).





3. Connect the battery positive cable and the positive battery cable terminal to the battery. Refer to Battery Positive Cable Replacement (V8) Battery Positive Cable ReplacementBattery Positive Cable Replacement (LGH - Auxiliary) Battery Positive Cable Replacement (V6) Battery Positive Cable ReplacementBattery Positive Cable Replacement (LGH - Primary) .

4. Connect the battery negative cable and the negative battery cable terminal to the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.

5. Install the fender brace.

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.