Regan Brown
Diesel heater fuel pumps are known to emit a persistent 'tick-tick-tick' sound, which can be disruptive, especially at night. While some pumps are quieter than others, there are ways to reduce the noise, such as enclosing the pump in a box filled with a sound-absorbent quilt or using soft rubber mountings. Another method involves forming a coil with copper fuel pipes before and after the pump to isolate the pulse sent into the tank. Alternatively, some manufacturers offer rubberised fuel pump mounting brackets to reduce operational noise.
Characteristics and Values Table for Quieting a Diesel Heater Fuel Pump
| Characteristics | Values |
|---|---|
| Ticking Sound | The ticking sound is caused by the diesel heater's fuel metering pump delivering fuel to produce hot air and maintain temperature. |
| Enclosure | Enclosing the fuel pump in a box filled with sound-absorbent material can help dampen the sound. |
| Placement | The placement of the fuel pump is important; consider where it is mounted to avoid creating an echo. |
| Rubber Mountings | Using soft rubber mountings or rubber stoppers can help dampen the noise transmitted from the pump. |
| Fuel Line | The hard nylon fuel line can transmit the pulse and create a ticking noise. Threading the line through cable ties or suspending it with bungee cords can reduce noise. |
| Quieter Alternatives | Quieter fuel pumps, such as the JWEELY and SHANSHAN pumps, are available on the market. |
| Exhaust Muffler | Installing an exhaust muffler between the two exhaust pipes can help maximize muffling. |
| Fuel Type | Using kerosene instead of diesel can reduce noise, but may require a different pump. |
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What You'll Learn
Consider the placement of the fuel pump
The placement of your diesel heater fuel pump can significantly impact the amount of noise it produces. If you haven't installed your diesel heater yet, carefully consider the placement of the fuel pump to minimise noise.
Firstly, it's important to note that the placement of the fuel pump can either dampen the noise or create an echo that amplifies the sound. To avoid creating an echo chamber, avoid placing the pump in an enclosed, tight space. Instead, opt for a more open area where the sound waves can dissipate.
Additionally, the type of surface you mount the pump on can make a difference. Soft rubber mountings can help absorb and mitigate the vibrations that produce the ticking noise. Most heater manufacturers offer rubberised fuel pump mounting brackets that can effectively reduce the operation noise. These flexible structures also reduce the 'jerk' in the pipe with each beat, preventing the clicking noise from travelling to the fuel tank and heater.
Another option is to suspend the fuel pump between bungee cords or hang it using cable ties. This isolation can reduce the transmission of the ticking noise and decrease its impact on your surroundings.
If your system uses copper fuel pipes, consider forming a coil before and after the pump. This technique helps isolate the pulse sent into the tank, thereby reducing the noise. However, this method requires technical know-how, and consulting a professional is recommended if you're uncomfortable with modifications.
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Enclose the pump in a box with a sound-absorbent quilt
The ticking sound of a diesel heater pump can be a nuisance, especially at night when you're trying to sleep. One of the most effective solutions to this problem is to enclose the pump in a box with a sound-absorbent quilt. Here's how you can do it:
Firstly, it's important to consider the placement of the fuel pump. The location of the pump can either dampen the noise or create an echo, making the sound louder. If you haven't installed your diesel heater yet, carefully plan the placement of the fuel pump to minimise noise. If your heater is already installed, you may need to get creative with your solution.
To start building your soundproof box, you'll need to gather the necessary materials. These include a suitably sized box, a sound-absorbent quilt or other sound-absorbing materials, and any tools required for installation. Ensure that the box is large enough to comfortably fit the fuel pump and the quilt.
Next, line the inside of the box with the sound-absorbent quilt. This quilt will act as a barrier, absorbing and blocking the sound waves produced by the fuel pump before they can escape and cause a nuisance. Ensure that the quilt covers all inner surfaces of the box to maximise its effectiveness.
Now, carefully place the fuel pump inside the box. Secure the pump in a way that minimises the transmission of vibrations to the box. You can use rubber mountings or rubber stoppers to achieve this. These materials will help to further dampen the noise.
Finally, close the box securely. Ensure that the box is properly sealed to prevent sound from escaping. Place the box in a suitable location, considering any limitations imposed by fuel tube lengths. With this setup, you should notice a significant reduction in the ticking noise of your diesel heater pump, allowing you to enjoy a peaceful night's sleep.
While this method is highly effective, it may not be possible for all installations due to space constraints. Additionally, it may incur extra costs if you're having your diesel heater installed by a professional. Nevertheless, with careful planning and execution, enclosing the fuel pump in a sound-absorbent box can provide a simple and effective solution to the persistent ticking noise of diesel heater pumps.
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Use a rubber stopper or rubber mountings
The ticking sound of a diesel heater fuel pump can be a nuisance, especially when you're trying to sleep. One way to address this issue is by using a rubber stopper or rubber mountings.
The fuel pump's mounting location can either dampen the noise or amplify it by creating an echo. If you haven't installed your diesel heater yet, carefully consider the placement of the fuel pump. If it's mounted on a hard surface, the sound will be transmitted more effectively, so soft rubber mountings can help to reduce the noise. Most heater manufacturers provide a rubberized fuel pump mounting bracket, so make sure to use it. This bracket will reduce the fuel pump's operational noise.
If you've already installed your diesel heater, you can still make some adjustments. You can purchase a rubber stopper, such as the Adoored 36mm Black Rubber Door Stop from Bunnings, to dampen the noise transmitted from the fuel pump to its mounting location. Alternatively, you can buy a Diesel Air Heater Fuel Pump Silent Mount Kit from eBay.
Another method to reduce noise transmission is to thread the fuel line through cable ties to keep it away from the chassis and other hard surfaces. You could also suspend the fuel pump between bungee cords, which has been known to reduce fuel pump noise.
While rubber stoppers and mountings can help, you might also consider other solutions for further noise reduction. For example, you could enclose the fuel pump in a box filled with a sound-absorbent quilt to block and absorb sound waves. Additionally, if your system uses copper fuel pipes, forming a coil before and after the pump can help isolate the pulse sent into the tank, thereby reducing the noise.
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Try a quieter fuel pump
If you're looking for a quieter fuel pump for your diesel heater, there are a few options available. One popular method is to use a sound-absorbent box to enclose the pump, with the placement of the box being an important consideration. Soft rubber mountings can also help to dampen the sound.
There are also purpose-built quieter fuel pumps available on the market, such as the JWEELY Diesel Heater Oil Fuel Pump, which is advertised as being quieter than a standard pump. Customer reviews suggest that this pump is about 60% quieter than the stock pump, although it is not completely silent. Other customers have also suggested that wrapping the pump in sound-deadening material can help to further reduce the noise.
Another option is to look at handmade pumps, such as those made by James Browning-Smith in the UK. These pumps can be mounted inside or outside and are fuel-agnostic, allowing you to run kerosene without wearing out the pump. When mounted on foam insulation, these pumps are described as being truly silent.
If you're handy and willing to tinker, you could also try modifying your fuel lines. For example, if you have copper fuel pipes, forming a coil before and after the pump can help to isolate the pulse sent into the tank, reducing the noise. Alternatively, you could try suspending the pump between bungee cords or enclosing the fuel line in a conduit to dampen the noise.
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Thread the fuel line through cable ties
The diesel heaters come with a hard nylon fuel line. The fuel line is hard and can transmit the pulse from the fuel pump. This means the fuel line can tap against hard surfaces and create a ticking noise. A simple solution to this problem is to thread the fuel line through cable ties to hold it away from the chassis or other hard surfaces. You can also thread the fuel pump through bungee cords to reduce the noise.
The cable ties act as a barrier between the fuel line and the hard surfaces, preventing the tapping noise. The cable ties should be tight enough to hold the fuel line in place but not so tight that they restrict the flow of fuel. It is important to use cable ties that are made of a durable material, such as plastic or metal, to ensure that they can withstand the weight of the fuel line and the vibrations caused by the pump.
When threading the fuel line through the cable ties, it is important to follow the manufacturer's instructions and take the necessary safety precautions. The fuel line should be turned off, and any residual fuel should be released before starting the procedure. It is also important to work in a well-ventilated area to avoid inhaling diesel fumes.
The number of cable ties needed will depend on the length of the fuel line and the distance between the hard surfaces. It is recommended to place the cable ties at regular intervals along the fuel line to provide adequate support and stability. Additionally, the cable ties should be placed in areas where the fuel line is most likely to come into contact with hard surfaces, such as near the chassis or other components.
The cable ties can be attached to the fuel line using a variety of methods, such as zip ties, clamps, or screws. It is important to ensure that the attachment method does not restrict the movement of the fuel line or cause any damage. Once the cable ties are securely in place, the fuel line can be adjusted as needed to hold it away from the hard surfaces.
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Frequently asked questions
There are several ways to reduce the noise of a diesel heater fuel pump. Firstly, you could enclose the pump in a box filled with a sound-absorbent quilt. Alternatively, you could use a rubber mounting bracket or stopper, or suspend the pump between bungee cords. If your system uses copper fuel pipes, you could form a coil before and after the pump to isolate the pulse sent into the tank.
Yes, there are some quieter fuel pumps available on the market. For example, the JWEELY Diesel Heater Oil Fuel Pump and the SHANSHAN Universal Car Air Heater Diesels Pump are described as quieter by customers. However, some customers have also noted that these pumps are not completely silent. Additionally, James Browning-Smith in the UK builds silent diesel pumps by hand that can be mounted inside or outside and are fuel-agnostic.
The ticking noise is emitted by the diesel heater's fuel metering pump as it delivers fuel to produce hot air and maintain a steady temperature. This noise is not a sign of a malfunction but can be bothersome when trying to sleep.
