Rajan Wilcox
The Lexus GX 470 is a luxury SUV that was introduced in 2003 and remained in production until 2009. Disconnecting the fuel line of a Lexus GX 470 can be a complex task and is typically done when replacing the fuel line or performing maintenance on the fuel system. Online forums provide varying advice on the process, with some suggesting the use of specific tools like the Lisle 39210, while others indicate it can be done without any special equipment. It is important to exercise caution when working with fuel lines to prevent leaks or damage to the vehicle.
How to Disconnect Lexus GX 470 Fuel Line
| Characteristics | Values |
|---|---|
| Tools Required | Interior trim tools, 10-14mm socket set, small flathead screwdriver, hammer, large flathead screwdriver, SST (special service tool) for the retaining ring, Lisle 39210 tool |
| Steps | 1. Remove the driver-side rear seat (one nut and three bolts). 2. Fold the passenger-side rear seat up and remove all three pieces of trim that cover the rear seat latch points. 3. Remove the step in the doorway on the driver's side and the trim at the door sill. 4. Pull the carpet forward to gain access. 5. Undo the access panel and unplug the white electrical plug. 6. Relieve fuel pressure. 7. Undo the fuel lines at the front of the gas tank (orange and green clip). |
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What You'll Learn
Removing the rear seat
To remove the rear seat of a Lexus GX470, first decide whether you want to remove the middle passenger seats or the third-row seats. Removing the middle seats will give you more cargo space, but it may also result in added road noise. Removing the third-row seats can provide space for a custom storage system or sleeping platform.
If you are removing the rear seat to install a custom storage system or sleeping platform, you may want to consider purchasing a Lexus GX470 Second Row Seat Delete Plate System™. This product is designed to provide more interior height for your setup.
Now, to physically remove the rear seat of a Lexus GX470, you will first need to unhook the bands from under the seat. You can do this by reaching behind the seat and lifting a flap to access the bands. Once the bands are unhooked, you will see two screws. Remove these screws and then pull down on the panel to remove it. With the panel removed, you will have access to the rear of the seat.
Please note that removing the rear seat of a Lexus GX470 will disconnect the airbag sensor, which will cause the airbag warning light to remain on. To prevent this, you will need to perform a "trick" to fool the system into thinking the sensor is still connected.
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Accessing the rear seat latch points
To access the rear seat latch points of your Lexus GX 470, you will first need to remove the driver's side rear seat. This can be done by removing the one nut and three bolts that hold it in place. With the driver's side rear seat removed, you can now access the rear seat latch points.
The next step is to fold up the passenger side rear seat. Once folded up, you can remove the three pieces of trim that cover the rear seat latch points. Be sure to remove the step in the driver's side doorway and the trim at the door sill. You can use a small screwdriver to remove the plugs and bolts.
At this point, you should be able to pull the carpet forward to gain better access to the rear seat latch points. It may be helpful to use a bungee cord or similar to hold the carpet in place. Now that you have accessed the rear seat latch points, you can proceed with your repairs or modifications.
It is important to note that the Lexus GX 470 has a similar rear seat removal process to the 4th generation Toyota 4Runner. The latches that hold in the third row can be easily released by pressing a button.
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Disconnecting the electrical plug
First, access the electrical plug by removing the necessary components in the vehicle's interior. This may include removing the driver-side rear seat, folding the passenger-side rear seat, and taking out the trim pieces that cover the rear seat latch points. Ensure you have the necessary tools, such as screwdrivers and socket sets, to efficiently complete these initial steps.
Once you have adequate access, locate the electrical plug. In the case of the Lexus GX 470, it is often a white plug. To disconnect it, you may need long needle-nose pliers. Squeeze the pliers firmly to unplug the connector. Be cautious and apply only the necessary force to avoid any damage.
In some cases, you may encounter a dust cover or a protective clip over the electrical connection. Gently push down on the dust cover or clip to remove it. This will expose the connector underneath.
Now, focus on the connector itself. To disconnect it, locate the two pins on the connector. Apply gentle pressure to these pins to disconnect the electrical plug. This step does not usually require any specialized tools, and you can use your hands or a standard tool to push the pins.
By following these steps, you can safely disconnect the electrical plug when working on the fuel line of a Lexus GX 470. Remember to work carefully and methodically, ensuring that you have the appropriate tools and knowledge before proceeding. Always refer to reliable sources and manuals for specific instructions pertaining to your vehicle's make, model, and year.
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Relieving fuel pressure
To relieve fuel pressure on a Lexus GX 470, you must first run the gas as low as you are comfortable with. This is because you will not have a gauge to tell you how much fuel is left in the tank.
Next, remove the driver's side rear seat. There is one nut and three bolts holding it in place. Then, fold up the passenger side rear seat and remove all three pieces of trim that cover the rear seat latch points. After that, remove the step in the doorway of the driver's side, as well as the trim at the door sill. Now, pull the carpet forward until you can access the area you need to work on. You can use a bungee cord to hold the carpet in place.
Once you have access to the necessary parts, undo the access panel by removing the three 10mm bolts and unplugging the white electrical plug. You can use long needle-nose pliers to do this, but be sure to squeeze hard.
Now, you can relieve the fuel pressure. You can do this by cranking the engine with the fuel pump unplugged. Alternatively, you can relieve the fuel pressure as outlined in the FSM (Factory Service Manual).
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Disconnecting the fuel lines
Firstly, locate the fuel lines at the front of the gas tank. You will notice that they are secured by coloured clips – one orange and one green – inside the frame rail near the driver's door. To remove these clips, locate the small nub and push it, which will allow the coloured clip to rotate off. Then, you can slide the line.
If you are looking to disconnect only one end of the fuel line, you may need to use a specific tool. Usually, the fuel line is disconnected where it hooks to the fuel damper with a Lisle 39210 tool. However, some have suggested that this particular tool is not always necessary. To remove the clip without a tool, push down on the dust cover, and then the clip, and it should come off. Then, push the pins on the connector, and the fuel line will be disconnected.
It is important to note that you should only disconnect the fuel line if you are replacing it or performing specific maintenance or repairs. Always take the necessary safety precautions when working with any vehicle's fuel system. Ensure the engine is off and the vehicle is parked in a well-ventilated area before beginning any work.
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