Sylvie Willis
Removing the fuel tank from a 1999 Chevrolet Suburban requires careful attention to safety and a few tools. The process involves disconnecting the gas hose from the gas filler and unscrewing the straps holding the tank in place. However, it's important to note that there may be additional bolts securing the tank, and you will need to disconnect the fuel lines and evap hoses. A fuel line disconnect tool is required for this process, and it is recommended to use a plastic one as it can be more easily manipulated into the quick connector.
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What You'll Learn
Disconnect the gas hose from the gas filler
To disconnect the gas hose from the gas filler in a 1999 Chevy Suburban, you will need a fuel line disconnect tool. There are a variety of tools available for this purpose, including plastic and metal options. Some tools are two-piece, allowing you to insert one piece at a time, which can be easier to manipulate.
Once you have the correct tool, follow these steps:
- Ensure that you have already disconnected the gas hose from the gas filler and unscrewed the two straps holding the tank.
- Lower the tank slightly, exposing the hose barbs.
- Slip the tool over the hose barb and press it into the fitting.
- Run a sheet metal screw into the end of the exposed hose barb to create a grip while the tool is inserted.
- Simultaneously push the line into your tool while pushing the tool into the line.
- Pull the line back to disconnect it from the gas filler.
It is important to note that you may need to ""jar" the tank a little to get it to come down, and you will also need to disconnect the fuel lines and evap hoses once the tank is lowered.
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Unscrew the straps holding the tank
Unscrewing the straps holding the tank is a critical step in removing the fuel tank from your 1999 Suburban. Here is a detailed guide to help you through the process:
First and foremost, ensure that you have the necessary tools for the task. You will need a suitable socket or wrench size for the straps' bolts. It is also recommended to have a floor jack and jack stands for added stability and safety. Place the jack stands securely in the appropriate lift points of your Suburban.
Now, locate the straps that secure the fuel tank in place. Typically, there are two straps, one on each side of the tank. Visually inspect the straps for any signs of damage, rust, or wear. If the straps are severely rusted or damaged, consider replacing them with new ones to ensure the safety of your vehicle.
To begin unscrewing the straps, position yourself comfortably underneath the vehicle, ensuring you have adequate lighting and space to work. Identify the bolts at each end of the straps. Using your socket or wrench, carefully loosen and remove these bolts. Make sure to keep the bolts in a safe place so you can reuse them if needed or refer to them when purchasing replacements.
As you unscrew the bolts, be cautious and gentle to avoid putting excessive force on the straps. If the bolts are tightly fastened, you may need to apply some penetrating oil or lubricant to help loosen them. Allow the oil to sit for a while before attempting to unscrew again. This process may require some patience, as you don't want to strip or break the bolts, making the task more challenging.
Once the bolts are removed, the straps should be free from the tank. Carefully lower the tank slightly, if possible, to access the fuel lines and evap hoses and disconnect them. You may need to gently jar the tank to lower it enough to access these connections. Ensure that you have a plan to catch any residual fuel that may spill during this process.
In some cases, the straps may be rusted or broken, requiring replacement. If so, refer to the dimensions of the original bolts when purchasing new ones. Additionally, consider applying rust prevention measures to the new bolts to extend their lifespan.
Remember, safety should always be your top priority when working on your vehicle. Ensure that you are wearing appropriate protective gear, including gloves and eye protection, and that you have a clear understanding of the task before proceeding.
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Disconnect the fuel lines
Disconnecting the fuel lines from the fuel pump of a 1999 Chevy Suburban requires a fuel line disconnect tool. There are different types of tools available, including plastic and metal options. Some tools are two-piece, requiring you to insert one piece at a time, while others are easier to manipulate due to their small profile.
To start, drop the tank down slightly to access the fuel lines. Then, follow these steps:
- Obtain a suitable fuel line disconnect tool. A plastic tool may be easier to manipulate than a metal one.
- Using the tool, disconnect the fuel lines from the fuel pump. If you have a two-piece tool, insert one piece at a time, then push into the connector. Remember to push the line into the tool while pushing the tool into the line simultaneously.
- Pull the line back to disconnect it from the fuel pump.
Additionally, you may want to run a sheet metal screw into the end of the exposed hose barb to provide an easy grip while inserting the tool. This can make the process more manageable and ensure a secure hold on the hose barb.
It is important to note that fuel line removal may vary depending on the specific model and configuration of your 1999 Chevy Suburban. The above instructions provide a general guide, but specific steps may differ based on your vehicle's unique characteristics. Always refer to a qualified mechanic or repair manual for detailed instructions specific to your vehicle.
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Disconnect the evap hoses
To disconnect the EVAP hoses on a 1999 Chevrolet Suburban, you will need to first locate the EVAP canister. There are two small hoses that connect to the canister, and these are the hoses that need to be disconnected.
There are small tabs on the connectors that need to be released in order to disconnect the hoses. Push the connector in slightly and then press and hold the inner tabs to release the connection. There is a special tool that can be used to remove the connector, but it may be possible to do it by hand with some careful maneuvering.
If the hoses are very clogged, it may be necessary to cut them on both sides of the canister. Be sure to use hose and clamps to reconnect the hoses after cutting.
It is important to note that the EVAP hoses should only be disconnected after the fuel tank has been lowered and the gas hose has been disconnected from the gas filler. This is a delicate process, and care should be taken to avoid breaking the connectors.
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Use a fuel line disconnect tool
To remove the fuel tank from a 1999 Suburban, you will need to disconnect the fuel lines. It is recommended to use a metal fuel line disconnect tool for this.
First, ensure you are wearing protective gear, especially eye protection, as gasoline can cause serious eye damage. Drain the fuel lines before you remove the filter to prevent leaks.
Now, take your metal fuel line disconnect tool and close it around the fuel line. Push the part of the tool that sticks out down into the ring connecting the fuel lines. Simultaneously, pull the lines apart. This action will take some force, but you will feel a click when the lines disconnect.
Be cautious, as gasoline will start to pour out as soon as you remove the filter.
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Frequently asked questions
First, disconnect the gas hose from the gas filler. Then, unscrew the straps holding the tank. You will also need to disconnect the fuel lines and the evap hoses. You may need to use a fuel line disconnect tool to detach the gas lines from the fuel pump.
You can use a plastic two-piece tool, which is easier to manipulate than a metal one.
Put one piece in at a time, then push into the connector. Remember to push the line into the tool while pushing the tool into the line, then pull the line back to disconnect it.
Disconnect the tank and remove the hose barbs. Slip the tool over the hose barb and press it into the fitting. You can also run a sheet metal screw into the end of the exposed hose barb to make it easier to grab while the tool is inserted.
You may need to jar the tank a little to get it to come down.
