I couldn't find this on here before, but here's the part # for the proper way to align the fuel door (i know there's a tech article saying to use washers) but this is the proper way. Usually need 1-3 of these from what I've been told

20418784 - fuel door gasket

Pic shown

tag words:
Fuel door gasket
Fuel door alignment

 

It's a discontinued part, sadly.

If you could maybe put a ruler next to the scanned image of it.. it could be re-created most likely.

 

I just found and purchased the last 2 known in existence about 20 minutes ago from Canada

Maybe I'll copy the dims and re-make them for you guys

 

One of the many things I grab while at the junkyards.

 

What is this junk... yard? that you speak of? It sounds like an amazing place with streets paved of thirdgen parts.

Last thirdgen I saw in a junkyard here was so bad, I'd be hard pressed to find anything on it of any use...

 

No kidding, a junkyard car with a fuel door gasket intact? I wouldn't believe it if I saw it haha

 

Tons of "junk" around here still.

 

There's been a bit of a dry spell as far as thirdgens in junkyards here in Colorado. Having just shimmed my fuel door with washers, I find it quite interesting that there was actually a gasket used to shim it. I imagine it wouldn't be too hard to make one yourself, even without the exact measurements.

 

If you do, I am in for a few. When I had my car repainted, the painter lost the gasket and I had to buy a thin sheet of gasket material and trace out a new one, to the best of my ability. It did the job, but I would prefer a copy of the original.

 

Will let everyone know on here if/when it's available. May be a little time with trying to get the car done before Thirdgen Expo. Once I figure out a way to mass replicate them, I'll put them up for sale for those that want to repair their car correctly

 

I was actually surprised today at how many were at the small local pick n pull here in town. Theres always a couple, but today i seen atleast 4 third gens and another 5 or so fourth gens.

 

After a disassemble and respray, the fuel door just doesn't seem to align well.

Might try a new gasket to see if that helps..

 

My 82 still has the rubber gasket. When I was putting the car back together from paint recently, I reused it and I still spent 2 hours trying to get the door the way I wanted it. It's a little finicky even with the gasket.

 

Yeah the build quality on our cars wasn't terribly great

"Door doesn't like up?"

"ahhhh just slap a few shims in there, it'll be ok"

"GM PN # created"

lol

 

The holes on the fuel door are slotted too.Ive always been able to set it flush without washers & i still have that gasket too if it matters.

 

See my new tech resource website http://thirdgens.com
has a pdf print of the gasket that is 1:1 scale so you can print and trace

 

Nice one.

Looking forward to seeing your site develop.