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 MANUALSCHEVROLET2009TAHOE 4WD V8-6.0L HYBRIDREPAIR AND DIAGNOSISSTARTING AND CHARGINGBATTERYSERVICE AND REPAIRBATTERY REPLACEMENT
2009 Chevrolet Tahoe 4WD V8-6.0L Hybrid
Battery Replacement
2009 Chevrolet Tahoe 4WD V8-6.0L HybridSECTION Battery Replacement
Battery Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
2. Remove the radiator support diagonal brace. Refer to Radiator Support Diagonal Brace Replacement (Radiator Support Diagonal Brace Replacement).
3. Reposition the positive battery cable insulating cover (2) from over the positive terminal.
4. Rotate the lever lock (1) counterclockwise in order to disconnect the positive battery cable.
5. Remove the positive battery cable terminal (3) from the battery.
6. Remove the battery hold down bolt (1) and hold down (3).
7. Remove the battery assembly (2).
Installation Procedure
1. Install the battery assembly (2).
Warning: Refer to Fastener Caution (Fastener Caution).
2. Install the battery hold down (3) and bolt (1) and tighten to 25 Nm(18 lb ft).
3. Install the positive battery cable terminal (3) to the battery.
4. Rotate the lever lock (1) clockwise until an audible click is heard in order to connect the positive battery cable.
5. Position the positive battery cable insulating cover (2) over the positive terminal.
6. Install the radiator support diagonal brace. Refer to Radiator Support Diagonal Brace Replacement (Radiator Support Diagonal Brace Replacement).
7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
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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.