Attwood Gas Tank Not Venting

In this video i show you an easy way to check if your fuel cap is venting properly.

Attwood gas tank not venting.

No fuel tanks can be made with a free flowing vent. After so many years of use that plastic has to break down and get weak. They have to hold back vapor pressure until 5 5 psi. When your boat gas tank is not venting this is the first area to check.

If corrosion has eaten away at the mesh replace the vent. Close the manual vent after you have finished filling the tank. Attwood 1364a3 marine cowl ventilator. When you open the vent on an expanded tank fuel vapors will escape.

If the screen looks clogged use a small wire brush to clean away the gunk. More buying choices 21 59 27 new offers. If the tank is sucked in opening the vent will allow air into the tank to equalize the pressure. Barbed fittings fit 3 8 i d.

Clamps are not included. Attwood fuel tank fittings and hose fittings are suitable for use with leaded unleaded ethanol blended and alcohol blended fuels. For safety reasons opening the vent should be done off the boat on a level surface with good air circulation in the area and no ignition source present even cell phones. I fully expect them to start with an expiration date just like any other gas bottles like oxygen or acetylene.

Open the vent after you connect the fuel hose and tank to your motor. Open the manual vent valve if the tank does not have an automatic vent or a one way air check valve installed before you remove the cap to fill the tank. 5 0 out of 5 stars 2. Free shipping on your first order shipped by amazon.

Unless otherwise specified threaded fittings have 1 4 male npt threads. Attwood 90 degree fuel tank vent black with white vent head. Watch out through hull fuel vents sometimes allow water intrusion. A fuel cap that does not vent properly may cause your engine to not run p.