Katerina Swanson
If you're looking to remove the fuel pump from the tank of a 2004 Venture, there are a few steps you'll need to follow. Firstly, relieve the fuel system's fuel pressure and raise the vehicle. Disconnect the quick-connect fittings at the inlet side of the fuel filter and the fuel return pipe. Disconnect the evaporative emission (EVAP) purge pipe and the vapor recirculation pipe from the filler tube. With assistance, support the fuel tank and remove the fuel tank strap attaching bolts. Remove the fuel sender assembly and seal from the fuel tank, cleaning the sealing surfaces. Be sure to wear safety gear and work in a well-ventilated area to avoid any potential hazards.
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What You'll Learn
Relieve fuel pressure and disconnect the battery
To relieve the fuel system fuel pressure, raise the vehicle. Disconnect the quick-connect fitting at the inlet side of the fuel filter. Squeeze the plastic tabs on the male end connector and pull the connection apart. Disconnect the quick-connect fitting on the fuel return pipe, near the fuel filter. Disconnect the evaporative emission (EVAP) purge pipe quick-connect fitting at the EVAP canister. Disconnect the vapor recirculation pipe from the filler tube.
To disconnect the battery, first, make sure the van has not been running for at least 6-8 hours. Then, remove the bolts of the cross brace. Take out the bolt for the fuse box on the left, then slide the cross brace off from the clips of the fuse box. Next, use an 8mm to remove the battery terminals. Use a 13mm to remove the bolt holding the battery bracket located at the very bottom. Push the fuse box out of the way and take the battery out diagonally as the left side is covered by the frame.
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Remove fuel tank strap bolts
To remove the fuel tank strap bolts from a 2004 Chevy Venture, you will need to relieve the fuel system's fuel pressure and raise the vehicle. You can then disconnect the various fittings and pipes, including the quick-connect fitting at the inlet side of the fuel filter, the fuel return pipe, the EVAP purge pipe, and the vapor recirculation pipe from the filler tube. With an assistant, support the fuel tank and remove the fuel tank strap-attaching bolts.
If the bolts are spinning but not backing out due to rust, you may need to cut the bolt head off. This can be done by using a 15mm crow foot or OE wrench to hold the bolt head and using a drill with a 3/8 hole cutter to drill the head off. This will allow you to remove the bolt and cage nut without damaging the strap. Alternatively, you can try to grab the internal hex nut with a wrench by applying constant angular pressure to keep the wrench from slipping. If you are unable to access the hex nut, you may need to create a custom tool by bending a box end to the required shape.
It is recommended to always soak u-nuts with a penetrant before attempting to remove fuel tank strap bolts. Additionally, be cautious when working with power tools and electric equipment around gas fumes.
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Disconnect quick-connect fittings
To disconnect the quick-connect fittings of a 2004 Chevy Venture's fuel pump, follow these steps:
Firstly, relieve the fuel system's fuel pressure. This is an important safety precaution to prevent spillage and damage to the vehicle. Next, raise the vehicle. Now, you can begin to disconnect the quick-connect fittings.
At the inlet side of the fuel filter, disconnect the quick-connect fitting. To do this, squeeze the plastic tabs on the male end connector and pull the connection apart. Disconnect the quick-connect fitting on the fuel return pipe, located near the fuel filter. Then, disconnect the evaporative emission (EVAP) purge pipe quick-connect fitting at the EVAP canister. Finally, disconnect the vapor recirculation pipe from the filler tube.
Some sources recommend using a special tool, such as the OEM/A/C and fuel line disconnect tool set 25052 from AutoZone.com, or Special Tool 6751, to disconnect quick-connect fittings. These tools can aid in releasing the fuel system pressure and safely disconnecting the fittings.
It is important to note that you should not attempt to straighten or repair any kinked nylon fuel lines or pipes. If they are damaged, replace them with new pipes or lines.
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Remove the fuel sender assembly
To remove the fuel sender assembly, you must first relieve the fuel system's fuel pressure. Then, disconnect the quick-connect fitting at the inlet side of the fuel filter. Squeeze the plastic tabs on the male end connector and pull the connection apart. Next, disconnect the quick-connect fitting on the fuel return pipe near the fuel filter. With the help of an assistant, support the fuel tank and remove the fuel tank strap-attaching bolts.
Now, remove the clamps from the fill lines and then remove the fill lines as you prepare to drop the gas tank. Make sure to support the tank as you remove the straps and carefully lower it. Keep a rag handy to avoid getting dirt in the tank.
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Clean the tank and prepare for the new pump
It is important to clean the fuel tank before installing a new fuel pump to prevent premature failure and damage to the pump. Here is a step-by-step guide to cleaning the fuel tank and preparing for the new pump:
Firstly, drain all the fuel from the tank using an approved container, such as a gas caddy. It is important to relieve the fuel system pressure before draining the fuel. Once the tank is empty, remove the fuel pump, being careful to avoid letting any residual debris fall into the tank.
Next, insert a hose into the tank and begin pouring a stream of clean, hot water into it. While the water is filling the tank, spray a mild detergent inside. If the opening allows, use a brush to loosen debris from the sides of the tank. Once the tank is filled with water and detergent, stop the stream of water and swish the mixture around to capture any remaining debris. Then, dump the dirty water into a pan, capturing all liquids, and wipe the tank with a lint-free washcloth.
After the tank is clean, dry it completely using compressed air. Inspect the tank for any signs of rust or physical damage. If rust or damage is present, the tank must be repaired or replaced. To help absorb any residual moisture, add fuel line antifreeze or water remover. Once the tank is dry, let it sit for at least 30 minutes before proceeding.
It is important to prioritise safety during this process. Always wear safety glasses and gloves, and have a fire extinguisher nearby. Ensure you are working in a well-ventilated area and keep clean-up materials on hand to immediately address any spills.
With the tank cleaned and prepared, you can now install the new fuel pump, following the appropriate guidelines and instructions for your vehicle.
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