![]() A good tank cleaning will help with this problem. The sludge settles to the bottom of a fuel tank and can clog filters when the vehicle is fueled. Diesel sludge is an algae-like substance that adheres to the tank surface or at the fuel water interface. Of note, if you have a diesel vehicle, diesel sludge contamination is another fuel tank issue to consider. ![]() And even a new tank that has not been sealed will start to rust causing the same problems. Replacement of the fuel tank can be very expensive especially in the case of some classic cars where the tanks are very pricey. If your fuel tank has rust there are two ways fix the problem: Replace the tank with a new one or take steps to clean the inside of the tank, remove the rust, and seal the inside with a fuel tank sealer. Rust in fuel tanks is more of an issue now than it was in the past since today's ethanol-gasoline blends are more corrosive than non-ethanol gasolines of the past. Particles can also clog fuel injectors and carburetors. Further, rust particles can collect in fuel filters restricting fuel flow meaning the vehicle can find itself getting enough fuel at idle, but then not enough when accelerating. Vehicles with in-tank fuel pumps can have issues as fine rust particles pass through the pump pickup strainer and into the pump causing damage. First, rust can create pin holes from which fuel can leak and it can also weaken seam welds creating a fire hazard. Rusting and varnish in a fuel tank can create problems. Schutz Underseal Spray Gun and 48-inch 360-Degree Spray Wand.SemperCare Latex Disposable Exam Gloves.Outrageous Orange - 8 Mil Diamond Grip Nitrile Gloves.After letting any excess product drain, allow the tank to completely dry. At this point we remove the plug from where the petcock would mount and set the tank on the stand above the can of Red-Kote. We’ve found that most tanks require about half of a quart, but it’s ok to use a little more since we will drain excess product at the end of this process. Pour enough Red-Kote to coat the entire tank, reinstall the gas cap and rotate the tank to ensure even and complete coverage. Plug any holes (petcock, fuel sending unit, etc.) with rubber plugs, corks, or masking tape. This is to allow excess product to funnel back into the container for later use. The tank needs set on some sort of stand that allows the can of Red-Kote to sit underneath where the petcock was removed. We’ve tried other products over the years, including Kreem Coat, but have only been impressed by Red-Kote’s adherence and longevity. With a rust-free and dry surface, we now coat the inside with a product called Red-Kote. In some cases, replacing the tank is more cost-effective when paint work is required.ġ972 Honda C元50 taking a vinegar bath! RED-KOTE OR BUST Unfortunately, this process also requires repainting. The only options in those cases is to cut the damaged parts out and weld new metal patches. The coating will fill some surface pinholes, but is not appropriate for cases where there are numerous or large holes. We are looking for pinholes or spots in the tank where the rust has made the tank wall too thin for us to work with. ![]() ![]() When we receive in a rusty fuel tank we always begin by assessing the extent of the rust. This moisture on the inside of your tank is what creates rust. This is why we recommend storing your motorcycle with the fuel tank “tippy top” full.įrequent use makes it less likely for condensation to form. Motorcycles that are frequently ridden are not as susceptible to tank rust for a couple reasons: ▪ However, it might make sense for a motorcycle that is stored most of the time. In general, it is not recommend for all new tanks. Although we most commonly perform the coating process on old rusty tanks, it can be done on new tanks as well. This is problematic because rust in the fuel tank can travel and create a hazard for your carburetors, petcock, and/or fuel pump, potentially leading to costly repairs down the road. The inside of fuel tanks consist of bare metal and wherever there is bare steel, there is an opportunity for rust to develop. First, let’s discuss when coating your tank is necessary.
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