The natural tendency of poly diesel fuel tanks, over time, is to have an accumulation of sediments and foreign matter. It can also have rust build-up. Older vehicles are most susceptible to this kind of scenario.
Sure thing that they are equipped with fuel filters and assuming that they are delivering their job right if you don’t change them often enough or not ever, not even once, your tank would benefit from a thorough cleaning. Any type of vehicle that has been sitting for some time now is likely to have issues regarding condensation in the tank. This happening will pave the way for corrosion to start, that is if what you have is a metal tank.
So if you have any plans of buying yourself a high-value vintage car anytime soon and will have it on a restoration project or if you will revive a vehicle that has been sitting for quite some time now, keep in mind that this is sure to become the first task that you will need to carry out.
You might have been trying to ponder upon how you can veer yourself away from the trouble of taking your fuel tank out and have it cleaned, while it remained mounted over your car. Is that even possible, though?
The initial thing that you will need to do is disconnect all fuel lines. Poly diesel fuel tanks must be drained completely. Now with the contents out, make use of a pressure washer to help in cleaning out rust and debris from it. Some others are making use of a cleaning solution and let it sit on there for a couple of hours. After which, you can rinse your tank with plain but clean water. Let it dry for 48 hours.
When it comes to cleaning poly diesel fuel tanks, here are some of the basics that you need to know.
- Carefully read and understand the instruction manual. You can’t commence until you know how to disengage your fuel tank lines, and the instruction manual alone can give you that. This part is crucial since fuel tank lines are varying in almost every model and make, just see to it that you carefully observe the manual’s safety instructions.
- Probably, this is the most important step of the process. You have to drain the contents of your fuel tank, completely. One surefire way to do this is to run your car until such time that it has used up the last drop of your fuel.
- Degrease your tank. Your tank, after draining it of its contents, will naturally still smell like gasoline so what you need to do here is to de-grease it. Doing so will help in bringing about a better result.
You can make use of a dish detergent together with hot water for this purpose. After which, let the mixture sit in your tank for about 24 hours. Repeat the same procedure again if the grease smell still persists.
- Pressure wash the fuel tank. Soon after you completed the de-greasing process wash your tank using plain water. The pressure washer will help in completing the job of removing rust, debris and accumulated dirt from the tank.
- Add some cleaning solution. There is a good possibility that your fuel tank has developed rust or grime in it. The workaround on this is to make use of a cleaning solution.
The chemical composition of these cleaning aids will help in breaking down rust particles. You may also employ a professional type of acid solutions for this purpose.
- Leave your tank alone to let the cleaning solution carry out its work, for a minimum of 5 hours or so. This amount of time should be enough for you to easily remove rust and sludge.
- Make sure to rinse your fuel tank with plain water. Repeat the process until the smell of gasoline is no more to be found in the tank.
- Dry your fuel tank. After the process of cleaning your tank, leave it for 24-48 hours to let it dry.
It is a mortal sin here to have droplets of water left in your fuel tank before using it again. You are done when there are no traces of gasoline smell anymore.