How To Change Lexus Rx400H Battery?

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Last Updated on September 22, 2022 by Ellis Gibson (B.Sc. in Mechanical Engineering)

If you’re like most people, you probably don’t know how to change your Lexus RX400h battery. Don’t worry, it’s not as difficult as it sounds. In this article, we’ll walk you through the steps of changing your battery, so you can get back on the road in no time.

So, how to change lexus rx400h battery?

If your Lexus RX400h is like most other hybrid vehicles, then the battery is located underneath the back passenger seat. To change the battery, you will need to remove the seat and then disconnect the battery terminals. Once the old battery is out, you can install the new one and reconnect the terminals.

Let’s dig into it and see where it takes us.

Step By Step Process On: How To Change Lexus Rx400H Battery?

Here I will explain you step by step process of how to change lexus rx400h battery? let’s see how to change lexus rx400h battery.

REQUIRED TOOLS:

1.High voltage gloves rated at 1000 volts with outer leather protector 2. Trim stick or trim removal tool 3. Digital voltohm meter cat 3 rated at 1000 volts 4. Assorted deep well sockets including 14 millimeters, 12 millimeters, 10 millimeters and eight millimeters 5. Insulated tools such as those certified for hybrid use 6. Jack storage tray 7. Seat back cover push clips 8. 10 millimeter socket 9. 14 millimeter socket 10. Rear seat track bolts 11. Carpet push clips

Step-01:

Before starting the installation process, please be aware of the high voltage and current that these systems and components can produce. Severe injury or death can result if correct safety procedures are not understood and followed. This procedure should only be performed by a qualified technician who has been properly trained to service hybrid electric vehicles. If you are not properly trained, do not attempt to perform this replacement or service the hybrid drive system. Do not attempt to service the vehicle without the proper equipment listed in this video and without adhering to the directives of any included instructional or safety material, whether it be instruction sheets, tags or labels.

The individual installing this battery assumes all associated risks and responsibilities for any vehicle damage, injury or death caused by the improper use of our product. Not using the proper equipment or not following proper safety measures can result in injury or death.

Step-02:

The following tools are required to complete this install: high voltage gloves rated at 1000 volts with outer leather protector, trim stick or trim removal tool, digital voltohm meter cat 3 rated at 1000 volts, and assorted deep well sockets including 14 millimeters, 12 millimeters, 10 millimeters and eight millimeters.

Most importantly, when opening any access cover on a hybrid battery, you must use insulated tools such as these which are certified for hybrid use. Failure to do so can result in injury or death.

Step-03:

Here are the step-by-step instructions for installing this hybrid drive battery on a Lexus 400h or Toyota Highlander.

First, raise the rear hatch. Then, move the front seats to their full forward position. Next, open both rear passenger doors. Lower the rear seat backs and lift up the front section of this mid storage compartment. Remove these two 12 millimeter bolts and remove this compartment lid.

Next, lift out this jack storage tray. Remove these six seat back cover push clips. Using a 10 millimeter socket, remove these two seat straps. Then, slide the rear seats forward and remove these plastic seat bolt covers. Finally, remove the two 14 millimeter bolts on each seat.

Step-04:

Next, remove these 14 millimeter bolts from the rear of each seat. Remove four carpet push clips and lay the carpet back. Now, remove the remaining two rear seat track bolts. There should be a total of five bolts per seat.

Now, remove the rear

If you wanted to watch a youtube video that shows you how to change lexus rx400h battery? I have included a video below:

How Do I Reset My Lexus After Replacing The Battery?

If you’ve replaced the battery in your Lexus, you’ll need to reset the system so it can properly recognize and use the new battery. Luckily, this is a quick and easy process that can be done in just a few minutes. Here’s what you need to do:

1. Start by disconnecting the negative terminal of your old battery.

2. Next, connect the negative terminal of your new battery.

3. Finally, use a jumper cable to connect the positive terminal of the new battery to the positive terminal of the old battery.

Once you’ve done all of this, your Lexus should be able to properly recognize and use the new battery.

How Much Are Hybrid Batteries For Lexus Rx400H?

If you’re driving a Lexus RX400h, chances are you’re interested in saving money on gas. One way to do that is to keep your hybrid battery in good condition. But how much does it cost to replace a hybrid battery for a Lexus RX400h?

The average cost for a Lexus RX400h hybrid high voltage battery replacement is between $6,528 and $6,614. Labor costs are estimated between $330 and $416 while parts are priced at $6,198.

That’s a significant investment, but it’s important to keep in mind that a hybrid battery can last for up to 10 years with proper care. So, if you’re planning on keeping your Lexus RX400h for a while, it’s definitely worth it to keep the hybrid battery in good condition.

There are a few things you can do to extend the life of your hybrid battery. First, make sure to keep up with regular maintenance, such as oil changes and tire rotations. Second, avoid short trips whenever possible since starting and stopping the engine puts extra strain on the battery. Finally, try to park in a cool, shady spot whenever possible to keep the battery from overheating.

By following these simple tips, you can help ensure that your hybrid battery will last for many years to come.

As well as that, A Lexus RX400h hybrid high voltage battery replacement costs an average of $6,528 to $6,614. This includes labor costs of $330 to $416 and parts that cost $6,198.

How Do You Change A Lexus Battery?

If you own a Lexus, chances are you never have to worry about changing your battery. That’s because Lexus batteries are some of the most reliable on the market. But if you do find yourself in need of a new battery, here’s how to change it:

1. Open the hood of your Lexus. Locate the battery, which is usually located near the front of the engine compartment.

2. Disconnect the negative battery cable first, then the positive battery cable.

3. Remove the battery hold-down clamp and lift the battery out of the engine compartment.

4. Install the new battery in the reverse order of removal. Be sure to connect the positive battery cable first, then the negative cable.

5. Close the hood of your Lexus.

And that’s it! Changing a Lexus battery is a relatively simple process that anyone can do.

What Are The Common Problems With Lexus Rx 400H?

The Lexus RX 400h is a hybrid SUV that was first released in 2005. It was the first hybrid SUV on the market and was very popular for its fuel efficiency and environmental friendliness. However, there have been some common problems with the RX 400h over the years.

The most common problem with the RX 400h is the battery. The battery is what powers the hybrid system and it can be expensive to replace if it goes bad. There have been reports of the battery failing after just a few years of use.

Another common problem with the RX 400h is the suspension. The suspension is what makes the ride smooth and comfortable, but there have been reports of it being too soft and bouncy. This can make the SUV feel less stable on the road.

Finally, there have been reports of the Lexus RX 400h being difficult to work on. If you need to get any repairs done, it can be difficult to find a mechanic who is familiar with the hybrid system. This can make it difficult and expensive to keep the SUV running properly.

Final Word

If your Lexus RX400h ever needs a new battery, don’t worry – changing it is a relatively easy process. Just follow these simple steps and you’ll have your Lexus running like new in no time.

1. Open the hood and locate the battery. It will be in the front of the engine compartment, on the passenger’s side.

2. Disconnect the negative battery cable first, then the positive.

3. Remove the old battery and clean the tray it was sitting in.

4. Place the new battery in the tray and connect the positive cable first, then the negative.

5. Close the hood and start the engine.

That’s all there is to it! Changing the battery in your Lexus RX400h is a simple process that anyone can do.

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