How to Replace a Fuel Filler Neck

This video shows how to replace a fuel filler neck on a '92 Chevy Silverado.
Part # FNGM-07A
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[@kevinevans7204]

Ok i want to ask, would the tube draw moisture and make your truck run like crap. Is that possible? The guy i got the truck from said it was collecting water there in that neck tube,im thinking if it had a hole in it its possible. He took it out and ran the hose without the tube through the hole he cut in bed now it runs rite dont act like theres any water in it. That makes it hard to put gas in it with a campershell on it. Ima fix it factory but is it possible that it was drawing moisture in that way? It did fix it ,runs good.

[@doggngarage4975]

@@kevinevans7204 if it had a hole or something where the water could get in. I've never had that problem, but I suppose it could get condensation over time.

[@kevinevans7204]

@@doggngarage4975 thanks i did find a few holes in the tube. I think that is was getting water in the tube. I fixed it with a new tube and hoses. Now to fix the big hole in the floor of my truckbed.

[@cripstopheriii3509]

Would the procedure be similar enough to do to a 98 blazer ls? Mine came loose while driving and I just need to reattatch it just wondering if the general layout is the same

[@doggngarage4975]

Definitely a different body style, but should be the same general layout

[@alexfernandez7477]

I have a 2013 LT Tahoe whenever I'm putting gas the gas starts to guzzle up and I don't know what's causing it it's not letting me fill up on gas

[@jameswebb3932]

Great video!! Like you said if they're exposed and go out often. One question is there any reason that someone can't use undercoating or even spray on bedliner to protect the metal from rusting out again?

[@doggngarage4975]

Best thing to do is clean all the rust off if possible, then use a rust reformer of some sort before the undercoating. I did a video of a little frame work and used Rust Bullet to atleast slow down the rust.

[@jameswebb3932]

@@doggngarage4975 That's good information that I'm going to use I appreciate that. But I was referring to the new metal parts wouldn't it be wise to protect them before installing so that it could last maybe twice as long?

[@doggngarage4975]

@@jameswebb3932 yea, definitely. The fuel filler neck for example only has black paint on it. You could tape off around the collar and the end that inserts into the hose, and spray some undercoating or bed liner on it. That rubbery spray on material will help keep debris from chipping it, leading to rust.

[@jameswebb3932]

@@doggngarage4975 Excellent! Because I'm getting ready to do mine and I have extra undercoating. Thanks for your valuable input!

[@davidruiz5383]

Great video, 2011 Tacoma, after smoke test, smoke is coming from breather tube attached the gas filler neck. Any suggestions. Thanks and God Bless.

[@doggngarage4975]

Might have a vent valve that's not closing all the way.

[@nubreed0410]

What's that little black box at the top of the filler neck is that has something to do with the vent

[@doggngarage4975]

If you're referring to what I think you are, it's to run the vent hose through

[@irishuwould5185]

Do you know the bolt size for the filler neck ground strap? Mines connected at the neck but it dangling and I’m missing the bolt for mounting it to the frame

[@doggngarage4975]

Not off the top of my head, sorry

[@irishuwould5185]

@@doggngarage4975 it’s 1/4. Took a gamble at the auto parts store and bought what I thought the size was. Fit perfect. It’s all tightened down now, sanded the connector and the frame.

[@theaxsys21]

Does fuel leak out during replacement? Stuck finding that answer.

[@doggngarage4975]

No, you shouldn't have an issue.

[@theaxsys21]

@@doggngarage4975 also the fuel filler hose going to the tank? Replacing that as well

[@theaxsys21]

@@doggngarage4975 got yourself a new subscriber! Didn't realize it was you that actually would respond, haha

[@doggngarage4975]

I still wouldn't suspect a leak while doing the hose, but for piece of mind, try not to replace during a full tank. I definitely appreciate the support. Any questions you have, I'll try to respond as soon as I can 👍

[@theaxsys21]

@@doggngarage4975 not a problem at all. I appreciate anyone who makes tutorials that are helpful and throws in extra info. Wish I could post a picture or vid of what I'm looking at. The fuel filler hose is wrapped in electric tape and missing a clamp on the gas tank side. It's saturated in gas after I drive and runs down my rear axle. It's the tube that goes onto the filler hose at the bottom and connects to the tank. Alright, I went door dashing and grabbed it from orileys. Should be good now I hope

[@todaysnarrative879]

Why didn't you remove the rust scale before installing your ground wire? I would also spray the underbody with phosphoric acid and coat it with fluid film to stop all that rust.

[@doggngarage4975]

It was my daily driver at the time, so I really didnt have the time then. It is on the To Do List though.

[@outoftime788]

wer do u get the screws that hold the filler neck to the body

[@doggngarage4975]

I just reused mine. They weren't damaged. I'm not sure on the size, but I'm sure hardware stores would have them

[@mrbigg7255]

Great video. Thanks!!!

[@vicenteweston7792]

Instablaster

[@kbrown1969]

I can't get the filler tube back on.

[@Theboshicrew]

Is that part specific to your truck? My 99’ Ford Ranger needs a new fuel neck, would that one work?

[@doggngarage4975]

Its specific for the gmt400 chevy trucks. I doubt it would work, but I could be wrong.

[@Theboshicrew]

Raw Dogg'n Garage Thanks for the reply. I’m gonna shop around for a bit

[@nubreed0410]

I'm no professional but you probably need one the specific to your model and make

[@Theboshicrew]

@@nubreed0410 Yeah. Bought a new one for my ranger and installed it a few months ago. I posted this comment before my automotive knowledge got better

[@christph3118]

Is that you Mathew Mcconnahey?Alright Alright Alright!

[@mtz9883]

Why would you need the ground wire for

[@mtz9883]

Why would you need that ground wire for ?bc I ripped mine accidentally

[@doggngarage4975]

To dissipate any possible build up of static electricity. Safety purpose.

[@mckinziefrederick4629]

How long did this take??

[@doggngarage4975]

Couple hours, but mine was pretty rusty. Be careful if you have to cut the clamps.

[@Pursnikity_20022]

My gauge doesn’t work properly either, any ideas?

[@doggngarage4975]

Either the gauge or the sending unit. What exactly is it doing?

[@Pursnikity_20022]

@@doggngarage4975 the gauge is not reading how much fuels in the tank

[@doggngarage4975]

I would guess its the gauge itself, if that doesnt fix it then its the sender

[@TomMack530]

I will only buy USA 🇺🇸 only, I have a friend that works at this company that makes all parts of vehicle so that it’s made in USA part’s only ! make to order so they are custom made, they won’t make it unless you order it and the prices are not bad

[@awhitecouple]

The part is about 250.00 and the labor IS ALSO ABOUT 200.00.

[@doggngarage4975]

Wow, that's crazy!

[@TomMack530]

Well I would keep looking for one that is made in USA 🇺🇸

[@Pursnikity_20022]

So apparently I haven’t had a ground wire to the filler neck for as long as I’ve been driving my Chevy...

[@tunerimpala5658]

My filler neck went out because someone set my truck on fire

[@tunerimpala5658]

Well they tried

[@doggngarage4975]

Damn!

[@007MegaRoll]

this car is a rusty junk

[@doggngarage4975]

I just prefer the body style of older TRUCKS, but rust is the downside more often than not, unfortunately. Thankfully, I bought it to be a work TRUCK and a little bit of a project among my other projects. Rusty, a bit. Junk, not for a mechanically inclined individual 😉👍

[@lookingforwyatteearp3137]

El Okim.......Your moma is rusty junk too.

[@barbergdavila7995]

What is the ground wire for on there?

[@doggngarage4975]

Build-up of static electricity to reduce the risk of an explosion.