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Fuel Filler

1

1990Volvo740GLNonTurbo

Member
Joined
Aug 14, 2024
Should should the filler opening always be a perfectly round opening?
Mine is slightly oval at the designated bottom.
Vandalism possibly?
 

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It's usually from people pressing down on the fuel spigot when they are filling up. It's only aluminum. I've had to make them round again as best I could. Then buy the viton gasket from IPD for a longer lasting seal on the cap.
 
I'm using a locking cap. Should I bend the filler tube as round as I can get it and add another seal for the cap?
It locks but after it locks the cap jut spins, but it does not come off.
 
1990Volvo740GLNonTurbo said:
I'm using a locking cap. Should I bend the filler tube as round as I can get it and add another seal for the cap?
It locks but after it locks the cap jut spins, but it does not come off.
Click to expand...
Is it supposed to do that? I have some roof bar mounts that work the same way, they can spin free and only engage when unlocked. If it didn't spin, it would be easier for someone to reef on it to unlock it.
 
All original volvo fuel caps I've seen has come with a 1099K. They are screwed in, then "locked" to spin freely.
With age they tend to spin freely even when unlocked. If that happens you just have to apply pressure in different directions when turning the cap counter clockwise until it "hooks up" and starts unscrewing.
I would replace if it's an original part. On several occasions I've had these caps screw me over causing mild stress.
 
KortStubin said:
All original volvo fuel caps I've seen has come with a 1099K.
Click to expand...
what?

IMO a finicky locking fuel cap isn't worth the trouble. A tank of gas costs significantly less than fixing whatever kind of damage someone might do trying to steal it from a locked cap. Would you rather someone unscrew the cap and siphon your gas, or drill a hole in the tank/rip apart the filler neck?

Not to mention the headache if you lose the key yourself
 
NLRegina said:
what?
Click to expand...
The key is a basic "tamper proof" key. Same idea as what's used on toolboxes, elevators, electrical boxes etc. It's not unique or protected (any locksmith can copy it with the right specs), but enough to keep a teenager from messing with it (unless they're a pen tester enthusiast).
To defeat the fuel cap itself in case you lose your key or it's worn and spinning freely unlocked (try applying pressure first if it's unlocked), you could drill a small hole and stick something in there, or hammer in a nail between the lock and the edge of the cap. It'll effectively pin both parts of the cap together preventing the outside part from spinning independent of the threaded part. Unless you seriously mess up and drill/hammer into the underlying housing or possibly even the filler tube you won't have anything to worry about. I hope any potential thief ambitious enough to try won't damage anything either.
As a preventive measure you can take a picture of your fuel cap key or write down all digits present. After a google search the standard is "VO-1" or any of the following "1099K, BT2, BU9, BLA-2, BT2" depending on the manufacturer of the blank. Given your locksmith has any of those on hand they can then replicate your key using the bitting code which should be stamped on the original.

That said, if it's showing any sign of being worn I would replace the cap before you're stuck at a self service station in the middle of nowhere at 2:37 am on a tuesday, trying to get home through a blizzard and unable to unscrew the thing to fill up your empty tank. I hate these worn original caps..
 
NLRegina said:
what?

IMO a finicky locking fuel cap isn't worth the trouble. A tank of gas costs significantly less than fixing whatever kind of damage someone might do trying to steal it from a locked cap. Would you rather someone unscrew the cap and siphon your gas, or drill a hole in the tank/rip apart the filler neck?

Not to mention the headache if you lose the key yourself
Click to expand...
The cap is not finicky. the issue is the bend in the filler tube.
 
KortStubin said:
The key is a basic "tamper proof" key. Same idea as what's used on toolboxes, elevators, electrical boxes etc. It's not unique or protected (any locksmith can copy it with the right specs), but enough to keep a teenager from messing with it (unless they're a pen tester enthusiast).
To defeat the fuel cap itself in case you lose your key or it's worn and spinning freely unlocked (try applying pressure first if it's unlocked), you could drill a small hole and stick something in there, or hammer in a nail between the lock and the edge of the cap. It'll effectively pin both parts of the cap together preventing the outside part from spinning independent of the threaded part. Unless you seriously mess up and drill/hammer into the underlying housing or possibly even the filler tube you won't have anything to worry about. I hope any potential thief ambitious enough to try won't damage anything either.
As a preventive measure you can take a picture of your fuel cap key or write down all digits present. After a google search the standard is "VO-1" or any of the following "1099K, BT2, BU9, BLA-2, BT2" depending on the manufacturer of the blank. Given your locksmith has any of those on hand they can then replicate your key using the bitting code which should be stamped on the original.

That said, if it's showing any sign of being worn I would replace the cap before you're stuck at a self service station in the middle of nowhere at 2:37 am on a tuesday, trying to get home through a blizzard and unable to unscrew the thing to fill up your empty tank. I hate these worn original caps..
Click to expand...
The cap is a replacement cap that lcks
 
KortStubin said:
After a google search the standard is "VO-1" or any of the following "1099K, BT2, BU9, BLA-2, BT2" depending on the manufacturer of the blank. Given your locksmith has any of those on hand they can then replicate your key using the bitting code which should be stamped on the original.
Click to expand...
Ah, I thought that 1099K was a typo since that's a tax form as well
 
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