Mercedes Mullins
If you need to drain the fuel tank of a 2000 Jeep Grand Cherokee, there are a few methods you can use. One way is to use a siphon hose to drain the tank. However, it is important to note that the Jeep Grand Cherokee does not have a drain plug, and there is an anti-siphon in the filler neck, making it difficult to siphon the fuel directly from the tank. Alternatively, you can try draining the fuel from the fuel rail with a hose into a container, keeping the battery charged during the process. If you have access to a scan tool, you can activate the fuel pump to drain the fuel. Another method is to drop the tank and use a handheld pump to remove the fuel, which will also allow you to inspect the pump and filter assembly.
| Characteristics | Values |
|---|---|
| Fuel pump | Use a scan tool to activate the fuel pump, or run power to it, or jump the relay with a fused heavy gauge wire |
| Fuel level | If the fuel level in the tank is above 3/4, the electric fuel pump may be activated, allowing the tank to be partially drained at the fuel rail connection |
| Fuel line | Before disconnecting the fuel line at the fuel rail, remove the gas cap and release the fuel pressure |
| Adapter fitting | A temporary adapter fitting such as SnapOn tool number FIA61O may be used to attach the disconnected fuel line to the approved gasoline draining station |
| Gasoline draining station | Attach an approved, suction-type gasoline draining station to the disconnected fuel line at the fuel rail |
| Siphoning | Siphoning is possible but not easy due to the anti-siphon in the filler neck and the baffle at the filler neck |
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What You'll Learn
Siphoning methods
While some sources claim that it is impossible to siphon fuel from a Jeep Grand Cherokee fuel tank, others have successfully done so. One user on the Jeep Cherokee Forum stated that they were able to siphon fuel from their 1994 and 1998 Jeep Grand Cherokee fuel tanks, but noted that it was not easy due to the design of the tank.
To siphon fuel from a Jeep Grand Cherokee fuel tank, you will need a siphon hose and a container to catch the drained fuel. It is important to keep the battery charged during the process. Before beginning, remove the gas cap and release the fuel pressure. You can then insert the siphon hose into the filler neck or fuel rail and begin siphoning the fuel.
It is worth noting that some Jeep Grand Cherokee fuel tanks have an anti-siphon feature in the filler neck, which may make it more difficult to siphon fuel from the tank. Additionally, there may be a baffle or screen in the tank that prevents siphoning. In this case, you may need to remove the fuel tank and pour out the fuel or use a pump to drain it.
If you have access to a scan tool, you can activate the fuel pump to drain the fuel. Alternatively, you can run power to the pump or jump the relay with a fused heavy-gauge wire. This will not drain all the fuel, but it will remove most of it, and you can then fill the tank with fresh gas.
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Using a handheld pump
To drain the fuel tank of a 2000 Jeep Grand Cherokee using a handheld pump, follow these steps:
Firstly, it is important to note that you should always use jack stands when working under your Jeep. Do not use a hydraulic floor jack alone. Additionally, whenever you are working in your engine compartment, or with any component of the fuel system, disconnect your battery.
Now, to begin draining the tank, use a Phillips-head screwdriver to remove the left (driver's side) rear inner fender cover. This will give you access to the fuel filler neck. Next, again using a Phillips-head screwdriver, remove the inner fender screws. Disconnect the hose clamp from the filler neck and pull off the fuel hose. Use a flat-head screwdriver to disconnect the hose clamp, and then pull the hose off the tank.
Now, disconnect the quick disconnect of the power supply for the fuel pump. Place some wood blocks under the gas tank to prevent it from dropping, or use a hydraulic floor jack with slight pressure on the tank to keep it from falling. Once the fuel line is disconnected from the fuel pump, the tank can be completely removed from under the Jeep. Move the tank to a flat area where you have plenty of room to work.
The fuel pump is secured into the tank with a locking ring. Turn the ring counter-clockwise to loosen and remove it, and then pull out the old fuel pump. Now, you can use your handheld pump to drain the fuel tank. Insert the pump as far as possible, cap the end of the hose with your thumb, and extract about 2 to 3 feet of fuel. Place the end of the hose in a bucket on the ground, ensuring it is lower than the tank. This should start a siphon and drain the tank.
If this doesn't work, try the following: cut a slit in the cross-section of the hose, about 3 inches from the end. Make it just big enough to insert the tip of a blow gun. Actuate the blow gun in 1-2 second bursts until gas flows and fills the bucket. You may need several buckets, depending on your fuel level. To stop the flow, cap the end of the hose with your thumb, but do not elevate the hose higher than the fuel tank, or you will lose the siphon.
Finally, once the tank is drained, you can re-install the fuel pump. Apply some Vaseline around the base of the new fuel pump, so it makes a nice watertight seal against the tank. Take care not to damage the float and the fuel level gauge when inserting the new pump. Once the pump is seated, apply some pressure to make sure it is in all the way, and replace the locking ring. Turn it clockwise to lock it in place. Move the tank back under your Jeep on the floor jack and raise it back up into position. Reconnect the fuel pump power supply and the vent hose. Reconnect the fuel line to the filler neck and reattach the inner fender wall. Start your Jeep and check for leaks.
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Draining from the fuel rail
To drain the fuel tank of a 2000 Jeep Grand Cherokee from the fuel rail, you will need to take the following steps:
Firstly, locate the fuel lines coming and going from the fuel filter, which should be near the driver's rear tyre. Next, take the supply line to the fuel rail loose. You can then attach a hose to the nozzle on the fuel rail in the engine bay and place the other end of the hose into another container or gas tank on the ground. Ensure that the container is lower than the tank to start a siphon and that it is large enough to hold the fuel.
Before beginning the siphon, remove the gas cap and release the fuel pressure. You can do this by blowing off the pressure in the fuel system via the nozzle on the fuel rail. You can then begin to siphon the fuel by using a handheld pump or a blow gun. If you are using a handheld pump, you may need to run power to the fuel pump or jump the relay with a fused heavy gauge wire to activate it.
If you are using a hose, insert it as far as possible and cap the end with your thumb. Then, extract about 2 to 3 feet and place the end in the bucket. Remove your thumb to start the siphon. If this does not work, cut a small slit in the hose and use a blow gun in 1-2 second bursts until the gas flows.
It is important to note that this process may not remove all of the fuel from the tank, and you may need to fill the rest with fresh gas. Additionally, always exercise extreme caution when working with fuel and ensure that you are in a well-ventilated area to prevent the risk of fire or explosion.
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Removing the fuel line
To remove the fuel line of a 2000 Jeep Grand Cherokee, you will need to follow these steps:
Firstly, before disconnecting the fuel line at the fuel rail, it is important to remove the gas cap and release the fuel pressure. This is a crucial safety step to avoid any potential hazards.
Next, you can attach a suction-type gasoline draining station to the disconnected fuel line at the fuel rail. This step will allow you to drain the fuel before removing the tank. Approximately 4-5 gallons of fuel should be drained before proceeding. It is worth noting that a temporary adapter fitting can be used to attach the disconnected fuel line to the draining station if needed.
Now, you can focus on the fuel line itself. The hose and valve cannot be removed from the tank as they are designed as a one-time fitting. However, you can twist the hose out by cutting and resealing it with clamps and gasket sealer if necessary. Ensure that you use a vapor hose that fits tightly to maintain a secure connection.
Additionally, keep in mind that some Jeep Cherokee models may have a baffle or screen in the filler neck, which can prevent siphoning. This design feature was implemented to deter fuel theft. As a result, you may need to get creative to completely drain the fuel.
Finally, once you have drained the fuel and dealt with the fuel line, you can proceed with other maintenance or repair tasks as needed. Remember to exercise caution and refer to a certified mechanic if you have any doubts or concerns.
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Using a temporary adapter fitting
To drain a 2000 Jeep Grand Cherokee fuel tank using a temporary adapter fitting, you will need to follow a few important steps. Firstly, it is crucial to disconnect the battery and prioritize safety by wearing safety glasses and keeping a fire extinguisher nearby. Remember that the fuel system is under constant pressure, even when the engine is off, so the fuel system pressure must be released before servicing the fuel pump module.
The next step is to remove the gas cap and release the fuel pressure. You can do this by activating the fuel pump and draining approximately 4-5 gallons of fuel before tank removal. A temporary adapter fitting, such as the SnapOn tool number FIA61O, can be used to attach the disconnected fuel line to an approved gasoline draining station. This process will help you drain the fuel tank safely and effectively.
Once the fuel is drained, you can proceed to remove the fuel tank. This involves prying the fuel line retainer off the chassis with a flat-head screwdriver, depressing the tabs on the fuel return and filter lines, and separating the lines. It is important to note that the fuel tank retaining strap nuts should be removed with a socket and ratchet, and the straps should be moved out of the way. Then, slowly lower the fuel tank from the vehicle.
After the fuel tank is removed, you can continue with your maintenance or repair tasks. When you are ready to reinstall the fuel tank, simply follow the above steps in reverse. Ensure that all connections are secure and tightened properly before lowering the vehicle and reconnecting the battery.
By following these steps and using a temporary adapter fitting, you can effectively drain the fuel tank of your 2000 Jeep Grand Cherokee and perform the necessary maintenance or repairs. Remember to prioritize safety and carefully follow the procedures outlined in this guide.
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Frequently asked questions
There is no drain plug, so you will need to use a siphoning method. You can use a cheap handheld pump to get the tank empty.
No, the fuel tank does not need to be completely emptied before removal. Drain approximately 4-5 gallons of fuel before tank removal.
Put a battery in it and let the fuel pump do the work or remove the fuel tank filler hose and stick a siphon in there.
If the fuel pump is not operating, you can run power to it, or jump the relay with a fused heavy gauge wire.
You can drop the tank and pour the fuel out, but this is a pain and you will need to purchase a new pump as you will not be able to use the old one.
