Yukon 2008-2012 Hybrid Battery Removal From Car

Summary

This video demonstrates the step-by-step process of removing and reconditioning a hybrid battery from a GMC Yukon. It covers the location of the battery under the back seat, how to disconnect safety plugs and high-voltage wires, and the removal of bolts securing the battery. The script also details disconnecting the data wires and exhaust cable, isolating the battery, and preparing it for removal. The video touches on accessing the battery modules and cleaning the cooling fan, with further instructions for disassembling the modules to follow in a separate video.

Takeaways

• 😀 The hybrid battery in the GMC Yukon is located under the first row of the back seat.
• 😀 To access the battery, you need to fold the back seat using a lever and then pull another lever from the back to lift the seat.
• 😀 Both sides of the back seat need to be folded to access the battery area.
• 😀 The hybrid battery is covered by a panel that can be easily removed by lifting it.
• 😀 Before removing any components, disconnect the safety plug to disable the high voltage of the battery.
• 😀 High voltage wires are secured by four bolts and a black cover. Loosen and remove the bolts to disconnect these wires.
• 😀 There is a safety mechanism under the high voltage wires that prevents incorrect disconnection. Always be cautious during this step.
• 😀 To disconnect the data wires, pull the tab on the connector rather than pulling the plug directly.
• 😀 An exhaust pipe cable connected to the chassis also needs to be disconnected.
• 😀 There are five fasteners (two bolts and three nuts) around the periphery of the battery that need to be removed to free the battery.
• 😀 The battery is heavy, so it is recommended to have assistance when removing it from the car.
• 😀 To access the battery's internal modules, remove 16 to 20 bolts, take off the top cover, and you’ll be able to see the 40 modules and cooling fan inside.

Q & A

Where is the Hybrid battery located in a GMC Yukon?

The Hybrid battery is located under the first row of the back seat. You need to fold the seat to access it.

What is the first step to access the Hybrid battery in the GMC Yukon?

The first step is to fold the back seat by pushing the lever to release it, then access another lever at the back to raise the seat.

Do you need to fold both sides of the back seat to access the Hybrid battery?

Yes, you need to fold both the passenger and driver side seats to fully access the Hybrid battery.

What do you need to remove to access the Hybrid battery after folding the seats?

You need to remove the panel that covers the Hybrid battery. It comes off easily once you pull it out.

Why is it important to disconnect the safety plug when working with the Hybrid battery?

Disconnecting the safety plug disables the high voltage of the battery, which reduces the risk of electrical shock, though caution is still required.

What is the next step after disconnecting the safety plug?

The next step is to remove the high voltage wires, which are secured under a black cover with four bolts.

How do you disconnect the data wires from the Hybrid battery?

To disconnect the data wires, pull up the tab on the connector, which will allow the plug to separate from the socket.

Are there any other cables connected to the Hybrid battery that need to be removed?

Yes, there is an exhaust cable connected to the chassis that must also be disconnected.

How many bolts and nuts are securing the Hybrid battery in place?

The Hybrid battery is secured with three nuts and two bolts around the periphery.

What should you do once all the bolts and nuts are removed from the Hybrid battery?

Once all bolts and nuts are removed, you can lift the battery out of the car with assistance, as it is quite heavy.

What is inside the Hybrid battery after removing the top cover?

After removing the top cover, you will find 40 individual modules inside the battery, along with a cooling fan that needs to be cleaned.

What should be done with the cooling fan inside the Hybrid battery?

The cooling fan needs to be cleaned, as it can accumulate dust and debris over time.