Rajan Wilcox
To drop a 95 Corvette fuel tank, you will need to drain the fuel tank and disconnect the negative battery cable. You should also relieve the fuel system pressure and remove the rear stabilizer shaft bolts, nuts, and clamps. Additionally, you will need to remove the intermediate exhaust pipe-to-rear exhaust pipe bolts and the muffler from the muffler hanger. It is also recommended to have another set of hands to help with the process.
How to drop a 95 Corvette fuel tank
| Characteristics | Values |
|---|---|
| Step 1 | Disconnect the battery |
| Step 2 | Remove the gas cap and siphon gas from the tank |
| Step 3 | Remove the gas fill cover |
| Step 4 | Remove the gas fill overspill cup from around the tank filler neck |
| Step 5 | Replace the gas cap to keep debris out |
| Step 6 | Remove the rear stabilizer shaft bolts, nuts, and clamps |
| Step 7 | Position the stabilizer shaft downward |
| Step 8 | Remove the intermediate exhaust pipe-to-rear exhaust pipe bolts |
| Step 9 | Remove the muffler from the muffler hanger |
| Step 10 | Remove the bolts, then the crossmember |
| Step 11 | Remove the tank |
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What You'll Learn
Disconnect the battery and siphon the gas from the tank
Disconnecting the battery and siphoning the gas from the tank are important steps to take when removing the fuel tank of a Corvette. Here are some detailed instructions to guide you through the process:
Disconnect the Battery
Before disconnecting the battery, ensure that the ignition and start switch are in the OFF or LOCK position, and all electrical loads are turned off. Then, disconnect the negative battery cable to prevent any electrical sparks. This is a critical safety precaution to avoid potential injury or damage to the vehicle's components.
Siphon the Gas from the Tank
Siphoning the gas from your Corvette's fuel tank can be done in several ways, depending on your preferences and equipment available. Here are some common methods:
- Using a Siphon Pump: Purchase a siphon pump from an auto parts store. Attach a piece of fuel hose to the fuel line and place the other end of the hose in a gas can. This method avoids the need for manual siphoning.
- Mechanical Pump Method: If you have an old mechanical pump, you can use it to start a siphon. Place a hose in the tank and connect the other end to the pump. Position the pump on the ground with the arm facing up and step on the arm a few times to initiate the siphon.
- Electric Fuel Pump: Consider investing in an electric fuel pump, which can be very handy. Attach a long cord with clips to the pump. Disconnect the fuel line at the filter, have some fuel cans ready, and run a piece of line into the can to drain the tank.
- Fuel Pressure Gauge: Attach a fuel pressure gauge to the fuel rail and open the valve from the return line. Allow the gas to flow into a container. This method is slower but effective.
- Manual Siphoning: While not recommended due to the unpleasant nature of the task, you can manually siphon gas by removing the fuel filter and attaching a piece of fuel hose to the fuel line. Place the end of the hose in a gas can and turn on the ignition. Replace the filter with a new one once the tank is empty.
Regardless of the method chosen, siphoning the gas from your Corvette's fuel tank is an important step to make the tank lighter and easier to handle during removal or installation. Remember to have the necessary tools and containers ready before beginning the process.
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Remove the gas fill cover and filler hose
To remove the gas fill cover and filler hose, you will need to disconnect the battery and siphon the gas from the tank. This is done by removing the gas cap and siphoning the gas from the tank. Once the tank is empty, the gas fill cover can be removed.
Next, remove the gas fill overspill cup from around the tank filler neck. Be very careful during this step to ensure that no debris falls into the tank while removing the cup. It is recommended to replace the gas cap at this stage to help keep debris out.
Now, you can remove the filler hose. First, relieve the fuel system pressure. Then, drain the fuel tank. Remove the rear stabilizer shaft bolts, nuts, and clamps, and position the stabilizer shaft downward. Remove the intermediate exhaust pipe-to-rear exhaust pipe bolts.
Finally, remove the muffler from the muffler hanger. At this point, you should be able to access and remove the filler hose. It is important to note that the removal process may vary slightly depending on the year and model of your Corvette.
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Remove the rear exhaust system
To remove the rear exhaust system of a 1995 Corvette, follow these steps:
Firstly, ensure the ignition and start switch are in the OFF or LOCK position, and disconnect the negative battery cable to prevent any electrical sparks. Next, relieve the fuel system pressure and drain the fuel tank.
Now, you can begin to remove the rear exhaust system components. Raise the vehicle and remove the left rear tire and wheel. Then, remove the left muffler, if your vehicle is equipped with an automatic transmission. Remove the rear stabilizer shaft bolts, nuts, and clamps, and position the stabilizer shaft downward.
At this point, you will need to remove the intermediate exhaust pipe-to-rear exhaust pipe bolts. Be cautious and have an assistant guide you during this process. Once these bolts are removed, carefully remove the muffler from the muffler hanger.
With the rear exhaust system removed, you can now access and remove the fuel tank. It is recommended to have assistance when removing the fuel tank, as it can be a challenging task. Ensure you follow the correct procedures for your specific Corvette model, as different generations may have varying removal processes.
To reinstall the fuel tank, simply reverse the disassembly process, ensuring to replace any worn or damaged components, such as the gas tank vibration strips on the crossmembers.
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Remove bolts from the crossmember
To remove bolts from the crossmember of a 1995 Corvette fuel tank, you must first disconnect the negative battery cable to prevent an electrical spark. Next, relieve the fuel system pressure and drain the fuel tank. It is also important to ensure that the ignition and start switch are in the OFF or LOCK position, and all electrical loads are turned off.
After that, you can begin the process of removing the bolts from the crossmember. This will involve raising the vehicle and removing the left rear tire and wheel. You will then need to remove the left muffler, but this step only applies to automatic transmission-equipped vehicles. Following this, remove the rear stabilizer shaft bolts, nuts, and clamps, and position the stabilizer shaft downward.
Now, you can focus on the bolts attached to the crossmember. There should be four bolts to remove. Once all the bolts are removed, the crossmember should slip towards the front of the vehicle. This will allow for its removal from the straps going over the top of the tank. With the crossmember out of the way, the fuel tank should drop until it hits the exhaust system.
It is important to note that you should have enough fuel line slack to allow for a 4-6" drop. Having someone assist you by watching the tank as you lower it can provide peace of mind and ensure the process is safe and controlled. Additionally, before removing the bolts, take a picture of the crossmember orientation and bolt holes for reference during reassembly.
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Lower the tank and disconnect the tank crossover hose
To lower the tank, you will need to remove the bolts from the crossmember. This can be a challenging task, as it may be difficult to access the bolts while under the car. It is recommended to have an extra set of hands to assist with this step. Once the bolts are removed, the crossmember should be moved towards the front of the car, allowing for its removal from the straps that go over the top of the tank.
After the crossmember is out of the way, either by moving it or completely removing it, the fuel tank should be lowered until it reaches the exhaust system. It is important to ensure that there is enough fuel line slack to accommodate this drop, which is typically around 4 to 6 inches. Having someone observe the process from above can provide peace of mind and help ensure a safe and controlled lowering of the tank.
Now, to disconnect the tank crossover hose, you will need to lower the tank to gain access to the hose. This step may require careful manoeuvring as the hose may hit the frame and prevent the tank from being lowered further while still connected. Once the tank is lowered, you can disconnect the hose and proceed with any necessary maintenance or repairs.
When reinstalling the tank, the process is essentially reversed. Ensure that the gas tank vibration strips on the crossmembers are replaced if they have deteriorated. It is also recommended to plan for replacements if they are original, as they are inexpensive and prone to disintegration.
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Frequently asked questions
Ensure the ignition and start switch are off, disconnect the negative battery cable, relieve the fuel system pressure, drain the fuel tank, and raise the vehicle.
You will need a closed-end wrench and a jack to raise the vehicle.
Disconnect the negative battery cable to prevent an electrical spark.
Remove the rear portions of your exhaust system.
Remove the bolts from the crossmember, allowing it to slip towards the front of the car and be removed from the straps.
Note: This answer assumes that the process for removing the fuel tank from a 95 Corvette is similar to that of other Corvette models.
