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 MANUALSCHEVROLET2011COLORADO 4WD L5-3.7LREPAIR AND DIAGNOSISSTARTING AND CHARGINGBATTERYBATTERY CABLESERVICE AND REPAIR
2011 Chevrolet Colorado 4WD L5-3.7L
Battery Cable: Service and Repair
2011 Chevrolet Colorado 4WD L5-3.7LSECTION Service and Repair
Generator Cable Replacement (LLV/LLR) (2.9L/3.7L)
Note:
* Always use replacement cables that are of the same type, diameter and length of the cables that are being replaced.
* Always route the replacement cable the same way as the original cable.
Removal Procedure
1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
2. Open the battery cables harness retainer (3).
3. Press the locking tabs inward in order to remove the underhood fuse block cover from the underhood fuse block.
4. Remove the nut (2) securing the generator positive cable (5) to the underhood fuse block (1).
5. Reposition the protective boot (4) from the generator output BAT terminal (2) for access.
6. Remove the generator output BAT terminal nut (6) and disconnect the generator positive lead (5) from the generator.
7. Remove the generator positive cable (3) from the battery cables harness conduit.
Installation Procedure
1. Insert the generator positive cable (3) into the battery cables harness conduit.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Connect the generator lead (5) to the generator and install the generator output BAT terminal nut (6). Tighten the nut to 20 Nm (15 lb ft).
3. Press the protective boot (4) on to the generator output BAT terminal (2).
4. Install the nut (2) securing the generator positive cable (5) to the underhood fuse block (1).
Tighten the nut to 10 Nm (89 lb in).
5. Install the underhood fuse block cover to the underhood fuse block, engaging the locking tabs.
6. Close the battery cables harness retainer (3).
7. Connect the battery negative 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.