Ameer Randolph
Fixing a plastic gas tank fuel pump ring can be a tricky task. It is important to use the right tools to avoid causing any damage or creating any safety hazards. Using a screwdriver or metal punch with a hammer, for example, could cause sparks that may ignite fumes. Instead, a hard plastic punch with a rubber hammer is a safer option for loosening and tightening the fuel pump ring. There are also adjustable fuel pump removal tools available that can help with the installation and removal of lock rings. These tools are designed to fit different-sized plastic ring nuts and are compatible with various vehicles, including BMWs, Chryslers, and Mercedes-Benz.
How to fix a plastic gas tank fuel pump ring
| Characteristics | Values |
|---|---|
| Removal tools | Fuel pump lock ring tool, fuel tank repair kit, fuel tank lid cover remove spanner, 3/8" to 1/2" adjustable lock ring spanner |
| Removal process | Use a hard plastic punch with a rubber hammer to loosen the fuel pump ring on top of the tank |
| Reinstallation tools | Same as removal tools |
| Reinstallation process | Use the same tools to tighten the ring |
| Compatible vehicles | GM, Chrysler, Ford, and Dodge cars and trucks with a plastic tank; BMW, Mercedes-Benz, Audi, Volkswagen (VW) |
| Price | $42.50 |
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What You'll Learn
Use a plastic punch and rubber hammer
When removing the fuel pump lock ring on top of the fuel tank, it is important to avoid using a metal punch or screwdriver with a hammer. This is because sparks could be created, which could ignite fumes.
Instead, a hard plastic punch and a rubber hammer should be used to loosen the fuel pump ring. This method is safer and will not damage the tangs on the lock ring.
Firstly, place the plastic punch on the lock ring. Then, gently tap the plastic punch with the rubber hammer until the ring loosens. It is important to be careful and not to use excessive force, as this could damage the lock ring.
Once the ring is loosened, it can be removed by hand. If necessary, the plastic punch and rubber hammer can be used to gently pry the ring off the tank. Again, care should be taken to avoid damaging the ring or the tank.
When reinstalling the lock ring, the same tools can be used to tighten it. Place the lock ring on the tank and gently tap the plastic punch with the rubber hammer until the ring is securely in place.
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Avoid metal tools and sparks
It is imperative to avoid metal tools and sparks when working on a plastic gas tank fuel pump ring. Metal tools can create sparks that can ignite fumes and cause explosions, leading to severe injuries or even death.
To safely work on a plastic gas tank fuel pump ring, opt for non-metallic tools such as a hard plastic punch with a rubber hammer. This method is not only safer but also prevents damage to the tangs on the lock ring. When reinstalling the lock ring, use the same tools to tighten it securely.
If you need to loosen or tighten the fuel pump ring, consider using a fuel pump removal tool or a spanner wrench specifically designed for this purpose. These tools are adjustable and compatible with various vehicle makes and models, ensuring a safe and efficient process without the risk of sparks.
In some cases, you may need to soak the fuel pump ring in a penetrating oil, such as PB Blaster, to help loosen it. After soaking, use a plastic or brass-ended dead blow hammer to apply force horizontally and tap the ring loose. Avoid using excessive force, especially when dealing with plastic components, as they can be more susceptible to damage.
Additionally, always take precautionary measures before beginning any work on the fuel tank. Disconnect the negative battery terminal before opening the tank, and depressurize the system by unplugging the pump and running the engine until it dies. These steps are crucial for ensuring your safety during the repair process.
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Use a fuel pump removal tool
Using a fuel pump removal tool is a safer and more efficient method to fix a plastic gas tank fuel pump ring. This method ensures zero damage to the plastic ring nut and is adjustable to fit any size of plastic ring nut.
To use a fuel pump removal tool, you will need to follow these steps:
- First, ensure you have the correct tool for your vehicle. Some tools are designed specifically for certain makes, such as BMW or Mercedes-Benz, and may not work with others, like GM with metal lock rings.
- Prepare the necessary tools, including the fuel pump removal tool, a 12mm wrench, and a 3/8" drive ratchet with an extension.
- Use the 12mm wrench to set the width of the arms on the fuel pump removal tool.
- Tighten the two small bolts on the tool to secure it in place.
- Engage the wrench into the ridges around the threaded locking collar that secures the fuel pump to the top of the tank.
- Use a torque wrench and rotate the socket adapter to loosen the fuel tank lock ring.
- Remove the ring nut to change out or install a new fuel pump, change the fuel filter, or perform other necessary maintenance.
- The fuel pump removal tool can also be used to reinstall the old or new retaining ring, ensuring a secure and damage-free process.
By using a fuel pump removal tool, you can avoid potential risks associated with using a hammer and metal punch or screwdriver, which could create sparks and cause damage to the fuel pump components or the tank itself.
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Fix rusted-out tabs with a replacement ring
If you're dealing with rusted-out tabs on the fuel pump of a plastic gas tank, you can fix this issue with a replacement lock ring. This method works for many GM, Chrysler, Ford, and Dodge cars and trucks with a plastic tank. Specifically, it fits vehicles that use a TR26 lock ring to hold the pump in place.
The replacement lock ring comes with a new fuel pump gasket if you plan to reinstall the old pump. This is an inexpensive alternative to replacing the entire tank.
There are also replacement lock rings for GM vehicles that use a TR14 or TR19 lock ring to hold the pump in place. This includes models such as the Avalanche, Blazer, Century, Envoy, and more. The part comes with self-tapping screws and instructions for installation.
By using a replacement lock ring, you can effectively fix rusted-out tabs and secure the fuel pump in your plastic gas tank without the need for costly tank replacement.
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Compatible vehicles include GM, Chrysler, Ford and Dodge
If you own a GM, Chrysler, Ford, or Dodge vehicle with a plastic gas tank, you may encounter issues with the fuel pump ring. Over time, the tabs that hold the fuel pump in place can rust and become problematic. This is a common issue, and fortunately, there are inexpensive alternatives to replacing the entire tank.
For GM vehicles, you can purchase a replacement lock ring (TR14-R or TR19-R) that fits a range of models, including the Avalanche (2002-2003), Blazer/Bravada/Jimmy (1998-2005), Century (2000-2005), and many others. This lock ring will fix the rusted-out tabs and secure the fuel pump in place. It comes with self-tapping screws and instructions for installation.
Chrysler, Ford, and Dodge vehicles with plastic tanks often use a TR26 lock ring to hold the fuel pump in place. A replacement lock ring is available (TR26-R) that will fix rusted-out tabs and is compatible with many cars and trucks from these manufacturers. When reinstalling the old pump, you will need a new fuel pump gasket.
If you are having trouble with the fuel tank plastic ring nut, there are a few tricks you can try. Some people have suggested using hot water to expand the ring before installation. Others have used Teflon paste or vinyl treatment to lubricate the tank threads, which can make installation easier and help prevent leaks. When removing or installing the fuel pump lock ring, avoid using metal tools as they can create sparks that may ignite fumes. Instead, use a hard plastic punch with a rubber hammer to loosen and tighten the ring without causing damage.
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Frequently asked questions
You can use a fuel pump removal tool, which is adjustable and fits any size of plastic ring nut. This is a safer option than a screwdriver or hammer, which could cause sparks that ignite fumes.
These tools are compatible with all vehicles that have silent fuel tank lids. They work on most plastic collars, including those on BMWs, Mercedes-Benz, Audi, and Volkswagen (VW) vehicles.
Yes, you can use a hard plastic punch with a rubber hammer to loosen the fuel pump ring. This method is safer than a metal punch or screwdriver, which could damage the tangs on the lock ring.
