Locking DEF cap
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Mountain Pass
Joined: May 2008
Posts: 221
Likes: 65
From: SoCal
Locking DEF cap
I know this issue was brought up in the past. I have not seen an update on this in quite some time. I'm just looking to try to prevent tampering. I do not want to get a locking fuel door, I'd like to keep the "stock look. Any other suggestions would be appreciated.
5th Wheeling
Joined: Apr 2019
Posts: 39
Likes: 0
Hi cadent49,
just a wild idea:
- research if wider neck could be installed instead of smaller DEF one,
- get standard neck and standard locking DEF cap,
- install them. Some retrofitting/plumbing will be required.
From my experience of locking door installation, you might find enough space under the protective cover. Both necks sit on the metal plate.
You can easily remove the cover after both caps removed. Start from the right side - there are 2 plastic keys on the right. I pried it from the middle. It's easy to remove/reinstall, so you might start there.
just a wild idea:
- research if wider neck could be installed instead of smaller DEF one,
- get standard neck and standard locking DEF cap,
- install them. Some retrofitting/plumbing will be required.
From my experience of locking door installation, you might find enough space under the protective cover. Both necks sit on the metal plate.
You can easily remove the cover after both caps removed. Start from the right side - there are 2 plastic keys on the right. I pried it from the middle. It's easy to remove/reinstall, so you might start there.
Postmaster
Joined: Jan 2005
Posts: 4,424
Likes: 12
From: BC Canada
No such thing that I have been able to find so far, sorry. I'm all ears if someone has found something...... I too would like to prevent tampering, and avoid contamination issues, but am not interested in altering the fuel door on my truck.
Logistics Pro
Joined: Feb 2005
Posts: 3,529
Likes: 390
From: SEVA
There are aftermarket locking doors available for the 17+ SD, but since they are kind of gawdy, I never bothered to remember who makes 'em.
Here is a clean solution ...
https://www.ford-trucks.com/forums/1...l#post17428897
Here is a clean solution ...
https://www.ford-trucks.com/forums/1...l#post17428897
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jfirstford
1999 - 2016 Super Duty
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Aug 11, 2006 09:48 AM
