Rajan Wilcox
There is some debate about whether a fuel line hose can be used to replace a PCV vacuum hose. Some people say that you can use a fuel line hose as a PCV hose, while others argue that the fuel hose is designed for internal pressure and will not stand up to the oil that comes through the PCV system. However, one mechanic says they have used a fuel line on several occasions without any issues, as long as a line is used that won't collapse when the vacuum is applied to it.
| Characteristics | Values |
|---|---|
| Can a fuel line hose replace a PCV vacuum hose? | Yes, but it needs to withstand vacuum. |
| What about the other way around? | No, a PCV vacuum hose cannot be used as a fuel line hose. |
| Why? | A PCV vacuum hose won't stand up to the oil that comes through the system. |
| Are there any other issues? | Yes, a universal fuel/emissions hose may kink or make the PCV valve fit poorly. |
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What You'll Learn
Fuel hoses can be used as PCV hoses
However, other sources say that there is no danger in using a fuel line as a PCV hose because the basic required build is the same. You just need to make sure that the hose won't collapse when the vacuum is applied to it, so no soft hose. One source says that they have been a mechanic for a couple of decades and have used a fuel line on several occasions when they couldn't find a PCV hose without any issues.
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Fuel line hoses are more expensive than PCV hoses
When choosing between fuel line and PCV hoses, it is important to consider the specific requirements of your vehicle and the intended use of the hose. Fuel line hoses are designed for internal pressure and are made of materials that can withstand the presence of fuel. On the other hand, PCV hoses are designed to handle the oil that comes through the PCV system and may be made of different materials, such as silicone or reinforced vacuum silicone.
While fuel line hoses can be used as a substitute for PCV hoses in some cases, it is always best to consult a professional or refer to the manufacturer's recommendations for your specific vehicle. Additionally, it is important to consider the cost and availability of the hoses, as well as any potential issues that may arise due to differences in stiffness, kinking, or fit.
In summary, fuel line hoses are more expensive than PCV hoses, but they can be used interchangeably in some cases. However, it is important to consider the specific requirements and potential limitations of each type of hose before making a decision.
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PCV hoses are not available everywhere
It is possible to use a fuel line hose as a PCV vacuum hose, but it is not recommended. While there is no danger in using a fuel line as a PCV hose, as the basic required build is the same, there are a few things to consider. Firstly, the fuel line hose needs to be able to withstand vacuum. Secondly, the stiffness of the fuel line hose can cause it to kink or make the PCV valve fit poorly. Finally, the cost of using a fuel line hose as a PCV hose can be significantly higher than using a reinforced vacuum silicone hose.
It is important to consider the potential risks and costs associated with using a fuel line hose as a PCV vacuum hose. While it may be tempting to use a readily available fuel line hose, it is essential to prioritize the safety and functionality of your vehicle. If you are unable to find a PCV hose, it may be worth exploring other options, such as reinforced vacuum silicone hoses, which can be purchased at a lower cost and are designed to withstand vacuum.
When replacing a PCV hose, it is crucial to select a suitable replacement that meets the specific requirements of your vehicle. The diameter, length, and pressure rating of the hose must be compatible with your PCV system. While fuel line hoses may have similar dimensions, they are not specifically designed for PCV applications and may not provide the same performance and durability as a genuine PCV hose.
In conclusion, while fuel line hoses can be used as a substitute for PCV vacuum hoses in some cases, it is not a universal solution. The availability of PCV hoses may vary depending on your location and the specific make and model of your vehicle. It is always recommended to consult with a qualified mechanic or a trusted automotive parts dealer to ensure that you are using the correct hose for your PCV system.
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Fuel line hoses are stiffer than PCV hoses
The main difference between fuel line hoses and PCV hoses is that fuel line hoses are designed to withstand internal pressure, while PCV hoses are designed to withstand vacuum. This means that fuel line hoses are typically thicker and more rigid, which can make them more difficult to work with in tight spaces.
Another consideration is cost. Fuel line hoses can be more expensive than PCV hoses, with some costing up to $6 a foot. This can add up quickly, especially if you need a longer length of hose.
Finally, it's important to note that not all fuel line hoses are compatible with all PCV systems. Some fuel line hoses may not be resistant to the oil that comes through the PCV system, which could cause issues over time. Therefore, it is important to do your research and consult with a professional before making any substitutions.
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Fuel line hoses are designed for internal pressure
When replacing a PCV valve hose, it is essential to consider the size and length of the hose. The outside diameter of the hose should be 5/8 inches, with a pressure rating of 50 PSI. It is also important to use a line that won't collapse when the vacuum is applied, so a soft hose is not recommended.
One option for replacing a PCV valve hose is to use a reinforced vacuum silicone hose. These hoses are cheaper than garden hoses and can be purchased from online retailers such as Aliexpress. However, it is important to know the specific size and length requirements before purchasing.
Another option is to use a universal fuel/emissions hose, which can be purchased from auto parts stores or dealers. While this type of hose can work as a PCV hose, it may not be the best option due to its stiffness and short length, which can cause fitment issues.
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Frequently asked questions
Yes, it can. However, it is important to use a line that won't collapse when the vacuum is applied to it, so no soft hose.
The basic required build is the same, but the vacuum hose won't stand up to the oil that comes through the PCV system. The fuel hose is designed for internal pressure.
You can buy a PCV vacuum hose from a dealer or from online retailers such as Aliexpress and Mazdaswag.
You need to know what size and length you need. The outside diameter should be 5/8in, with a pressure rating of 50 PSI.
