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 MANUALSCHEVROLET2012COLORADO 4WD V8-5.3LREPAIR AND DIAGNOSISSTARTING AND CHARGINGBATTERYSERVICE AND REPAIRREMOVAL AND REPLACEMENT
2012 Chevrolet Colorado 4WD V8-5.3L
Removal and Replacement
2012 Chevrolet Colorado 4WD V8-5.3LSECTION Removal and Replacement
Battery Replacement (LH8)
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
2. Open the protective cover to access the engine wiring harness/positive battery cable terminal.
3. Loosen the engine wiring harness/positive battery cable nut (1).
4. Remove the engine wiring harness/positive battery cable from the battery.
5. Remove the engine wiring harness/positive battery cable clip (2) from the upper battery box.
6. Disconnect the battery vent duct from the upper battery box (1).
7. Press the locking tabs (1) inward in order to remove the upper battery box (2) from the lower battery box.
8. Remove the battery retainer nut (2).
9. Disengage the battery strap pin from the battery tray bracket stopper.
10. Remove the battery tray strap (2).
11. Remove the battery retainer (3).
12. Remove the battery from the lower battery box.
Installation Procedure
1. Install the battery to the lower battery box.
2. Install the battery retainer (3).
3. Install the battery tray strap (2).
Caution: Refer to Fastener Caution Fastener Caution.
4. Install the battery retainer nut (1).
Tighten the nut to 15 Nm (11 lb ft).
5. Engage the battery strap pin (2) to the battery tray bracket stopper.
6. Install the upper battery box (2) over the battery, engage the locking tabs (1) into the lower battery box.
7. Connect the battery vent duct to the upper battery box (1).
8. Install the engine wiring harness/positive battery cable clip (2) to the upper battery box.
9. Clean any existing corrosion from the battery terminal and cable using a wire brush.
10. Connect the engine wiring harness/positive battery cable (2) to the battery.
Tighten the nut to 9 Nm (80 lb in).
11. Close the protective cover over the engine wiring harness/positive battery cable terminal.
12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
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.