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Going to give that a try, thanks! Ordered today.Got mine on today.. Mod #1 complete.
Went with this one:
Amazon.com: Diesel Fuel Cap for Dodge(Strong magnetism), Magnetic Ram Diesel Billet Aluminum Fuel Cap for 2013-2018 Dodge Ram Truck 1500 2500 3500 … …: Automotive
Amazon.com: Diesel Fuel Cap for Dodge(Strong magnetism), Magnetic Ram Diesel Billet Aluminum Fuel Cap for 2013-2018 Dodge Ram Truck 1500 2500 3500 … …: Automotivewww.amazon.com
Thanks for the heads up. I'm about mileaged out on bumper to bumper warranty and have not had this issue.Several weeks ago I noticed diesel fuel below my fuel tank on the garage floor and looked underneath and could see where it appears to have ran down from around or above the fuel tank. Took it to the dealership and was told there is a valve in the fuel filler hose that has to be replaced and was handed the green magnetic diesel fuel cap I bought and was told this caused my problem. I have 16,000 miles on the vehicle and have had the magnetic fuel cap since the truck was new and never had a problem with fuel leaking onto the garage floor before. I was told they'd make the repair under warranty this time even thou by using the magnetic diesel fuel cap it caused the problem and wasn't approved by GM. I was told by the dealership not to use the magnetic cap again because it voids the warranty by GM on fuel emissions components. This is hard to believe with so many people using this diesel magnetic fuel caps.
On the capless filler neck there is a vent from inside to outside just below the flapper valve, If you try to top off your tank too much fuel will be forced out of the vent and on the ground. As for the warranty claim ? I have had mine on since the first month of my 2021, 36K no troubles at all.Several weeks ago I noticed diesel fuel below my fuel tank on the garage floor and looked underneath and could see where it appears to have ran down from around or above the fuel tank. Took it to the dealership and was told there is a valve in the fuel filler hose that has to be replaced and was handed the green magnetic diesel fuel cap I bought and was told this caused my problem. I have 16,000 miles on the vehicle and have had the magnetic fuel cap since the truck was new and never had a problem with fuel leaking onto the garage floor before. I was told they'd make the repair under warranty this time even thou by using the magnetic diesel fuel cap it caused the problem and wasn't approved by GM. I was told by the dealership not to use the magnetic cap again because it voids the warranty by GM on fuel emissions components. This is hard to believe with so many people using this diesel magnetic fuel caps.
I think this was just a coincidence. As some have said, there is a vent hole at the top of the filler neck tube and this is where it will spill out. Did you just fill your tank and maybe overfill it a little too much? Or try to add gas from a jerry can without the GM supplied emergency funnel? I tried to put some additive in directly to the tank one day when the vehicle was new to me without the funnel and it ended up just coming out onto the ground. Did that only once.Several weeks ago I noticed diesel fuel below my fuel tank on the garage floor and looked underneath and could see where it appears to have ran down from around or above the fuel tank. Took it to the dealership and was told there is a valve in the fuel filler hose that has to be replaced and was handed the green magnetic diesel fuel cap I bought and was told this caused my problem. I have 16,000 miles on the vehicle and have had the magnetic fuel cap since the truck was new and never had a problem with fuel leaking onto the garage floor before. I was told they'd make the repair under warranty this time even thou by using the magnetic diesel fuel cap it caused the problem and wasn't approved by GM. I was told by the dealership not to use the magnetic cap again because it voids the warranty by GM on fuel emissions components. This is hard to believe with so many people using this diesel magnetic fuel caps.