Sylvie Willis
Putting back the fuel tank in a 1996 Impala is a complex process. Before beginning, it is important to ensure the tank is not too full, as gas is heavy and can make the process difficult. It is also crucial to have a partner to help lower the tank safely. The process involves several steps, including removing bolts, swinging straps, and cleaning the tank. The tank should be propped up while removing bolts to prevent it from falling unexpectedly. The use of a motorcycle jack or a combination of a floor jack and a piece of wood can be helpful in supporting the tank. The fuel lines, filler neck bolts, and heat shields need to be installed correctly, and it is recommended to install a new fuel filter. Finally, the electric pigtail is connected, and the car is lowered.
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What You'll Learn
Raise the rear of the vehicle and use a jack to support the tank
To put back the fuel tank in a 1996 Impala, you will need to raise the rear of the vehicle. This can be done by using a jack to support the tank and keep it mounted.
First, ensure the rear wheels are raised around 3 inches off the ground. This will allow you to slide out the tank while keeping it mounted. It is important to follow safety protocols: chock the front wheels or place something in front of them to prevent the car from rolling forward.
Next, position a floor jack or transmission jack underneath the tank to support it. You can use a piece of wood cut to fit between the tank straps to help balance the tank. Apply pressure to the tank to relieve the load on the strap bolts, which should then be easy to remove.
Now, lower the tank slightly and slide the jack towards the rear as you do so, maintaining the tank's balance. You will then need to guide the tank into place and "bench press" it into position. Ensure the tank straps are in place before starting to tighten the bolts.
Finally, you can tighten the bolts in a criss-cross pattern. Ensure you have the correct size bolts for your tank straps, as these can be difficult to put back in place.
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Remove bolts and straps, then lower the tank
To remove bolts and straps, and then lower the tank, follow these steps:
First, loosen and remove the nuts from the tank strap mount bolts, which are 13mm. Leave the bolts in place for now. Next, take the cross strap nut off and push the tank strap out of the way. Now, position a floor jack or transmission jack underneath the tank to support it. You can use a piece of wood cut to fit between the tank straps to help balance it.
Apply some pressure on the tank to relieve the load on the strap bolts. The bolts should now be easy to remove. Lower the tank a little and slide the jack towards the rear as you lower it to maintain balance.
Now, remove the hose connection at the filler neck. Cover the port to prevent a fuel leak. You can use two ziploc bags and safety wire to do this. Get under the car and disconnect the retainer for the fuel supply/return and evap lines.
To reinstall the tank, follow these steps in reverse. It is recommended to completely remove the driver's side strap and cross strap. It is held on by a 15mm bolt. Jack the tank up and bolt the passenger side strap in. You will need to fight the filler neck hose back on. Use a set of tapered punches to help align the tank strap and mount holes.
Finally, tighten the nuts using a criss-cross pattern. Install the fuel lines and slide the rubber boots back into place. Use a screw clamp to tighten from under the car.
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Disconnect the hose at the filler neck and cover the port
Disconnecting the hose at the filler neck and covering the port is a crucial step in the process of removing and reinstalling a fuel pump in a 1996 Impala. This step ensures that you avoid a fuel leak, which could be dangerous.
To begin, you will need to lower the tank slightly and slide the jack towards the rear as you lower it to maintain balance. This is important to ensure that the tank does not tip over and cause a spill. Once the tank is lowered and stable, you can proceed to the next step of disconnecting the hose.
Loosen the hose clamps on the filler neck to free the rubber hose from the tank mount. You may need to twist the rubber hose to help with this process. When the tank mount end is loose, remember to tighten back the other end to prevent any fuel leakage. This step requires some care to avoid any accidental spills.
After successfully disconnecting the hose, the next step is to cover the port. One effective method to cover the port and prevent fuel leaks is to use two Ziploc bags and safety wire. This combination provides a secure seal, ensuring that fuel does not escape from the tank.
Once the port is securely covered, you can continue with the rest of the process, which involves getting under the car and disconnecting the retainer for the fuel supply/return and evap lines. Remember always to refer to a trusted repair manual or seek professional assistance if you are unsure about any steps. Safety should always be a top priority when working on automotive fuel systems.
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Disconnect retainer for fuel supply, return, and evap lines
To disconnect the retainer for the fuel supply, return, and evap lines of a 1996 Impala, follow these steps:
First, ensure the rear of the vehicle is raised sufficiently. The recommended height is to have the rear wheels of the Impala about 3 inches off the ground. This will allow you to use a transmission jack to keep the tank mounted and slide it out. It is important to take safety precautions by chocking the front wheels or placing something in front of them to prevent the car from rolling forward.
Once the car is securely raised, get under the vehicle. You will find the retainer for the fuel supply, return, and evap lines directly above the rear end. To access the fuel supply and return lines more easily, lower the tank a bit. Now, move the rubber boot out of the way to expose the QD (Quick Disconnect).
Select a fuel line disconnect tool of the appropriate size, ensuring the sleeve is facing up into the connection. Push the tool into the QD, and you might need to apply some force to push the line in further. Once the tool is in place, you should be able to pull the lines apart. If it requires a lot of effort, stop and re-engage the QD to avoid any damage.
After successfully disconnecting the retainer, you can continue with the rest of the procedure, such as removing the fuel pump and sender assembly, as well as performing any necessary maintenance or repairs.
Remember to follow safety guidelines and refer to reliable sources for further instructions on putting back the fuel tank in a 1996 Impala.
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Reinstall the tank and remount the straps
To reinstall the tank and remount the straps, follow these steps:
First, ensure the tank is supported by a jack, such as a motorcycle jack, floor jack, or transmission jack. You may need to use a piece of wood to help balance the tank. Next, guide the tank into place and "bench press" it into position. Hold the tank up and put the straps into place.
Now, install the fuel lines. Two just snap together, and the other has a clamp. You can tighten this with a screw clamp from under the car.
At this point, you should install the heat shields and filler neck bolts. You may also want to install a new fuel filter, although this is optional.
Now, tighten the two large strap bolts. Then, connect the electric pigtail, lower the car, and add at least five gallons of gas.
Finally, perform an operational check. Connect a fuel pressure gauge and wire or terminal clips under the hood. Connect a lead to the battery's positive terminal and another to the fuel pump "jumper". The gauge should read 45 psi or better.
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Frequently asked questions
First, raise the rear of the vehicle. You can then loosen the bolts holding the straps in place, and remove the bolts at the filler neck and vent line connection. Next, lower the tank and disconnect the retainer for the fuel supply, return and evap lines.
First, connect the supply, evap and return lines and wiring harness. Then, remount the tank by guiding it into place and "bench-pressing" it into position. Hold it up and put the straps into place.
You can drain the fuel tank by using a pump with a hose connected to the filter. Alternatively, you can use a siphon method by sticking a plastic hose into the tank and sucking on it.
Before starting, chock the front wheels or put something in front of them to prevent the car from rolling forward. When removing the tank, it is recommended to have two people lower the tank to prevent it from falling. Before reinstalling the tank, soak the bolts overnight with PB Blaster or Kroil to prevent crud buildup.
