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Locking Gas/Fuel Cap or Subtle Locking Fuel Door?

BlackOps

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RobZ71LM7 Enthusiast

RobZ71LM7

Posted
Posted

I'm not sure my truck is E85. Description says it's for E85 fuel vehicles.

 

Then order 10504. It's the same as 10504Y just a different color and is for non E85. I have the Stant 10504Y on my 2014.

BlackOps Enthusiast

BlackOps

Posted
  • Author
Posted

Gotcha. Is there a way to find out because I've been using regular 87 since I bought the truck?

chuckl1218 Senior Enthusiast

chuckl1218

Posted
Posted

Gotcha. Is there a way to find out because I've been using regular 87 since I bought the truck?

My 2014 5.3L Silverado has a yellow gas cap that actually says E85 on it. Also, my RPO code for the 5.3L says "flex fuel".

krellheat Enthusiast

krellheat

Posted
Posted

My 2014 has a sticket on the driver side window indicating its 85% flex fuel.

BlackOps Enthusiast

BlackOps

Posted
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Posted

Lol gotta be the dumbest question I've asked on here yet. My truck has a black cap and I don't recall a sticker on the window. Go figure.

TJay74 Senior Enthusiast

TJay74

Posted
Posted

Lol gotta be the dumbest question I've asked on here yet. My truck has a black cap and I don't recall a sticker on the window. Go figure.

 

 

not a dumb question, Flex fuel was included on the 2014 5.3l trucks, it was optional on the 2015 5.3l trucks. It will say on the window sticker if you are a flex fuel truck and you should have the badge on the tailgate along with the yellow flex fuel gas cap. I am betting yours is not equipped with the flex fuel package.

BlackOps Enthusiast

BlackOps

Posted
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Posted

Omg! I cannot believe with all the experience I've had from brake jobs to motor swaps, I cannot figure out how to lock the damn thing. The only movement on the lock mechanism is a 1/4 turn left or right. The key will only come out of the mechanism if it is turned to the right. There must be some specific way to lock the thing because it's not locking. No instructions. Smh

 

Tech support called back...what an idiot I am.

 

The cap self locks after you turn the cap until it clicks. The key and mechanism isn't required to lock it. The key and mechanism is only for unlocking. So when you go to install the cap, you install it without the key inserted and turn it until it clicks. At that point it should be free spinning. Smh

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