ST185 gas tank filler tube repair/replacement

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ST185 gas tank filler tube repair/replacement

Postby rallygarage » Thu Apr 15, 2021 10:51 am

I removed the tank from my ST185 to replace pump. Rust is very minor on the tank but the filler tube has rust holes on the inner side of the bend. GT4 play is out of stock on these. All I see left as an option is JB WELD for now. Now that I cleaned and replaced mounting hardware tank removal will be easy. Will have remove tank again later to install new tube when I find one. Any other ideas?
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Re: ST185 gas tank filler tube repair/replacement

Postby autojumbled » Thu Apr 15, 2021 11:52 am

Have you checked with TCB Parts?
Got my 185 filler neck from Paul (granted a few months ago now)
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Re: ST185 gas tank filler tube repair/replacement

Postby rallygarage » Thu Apr 15, 2021 12:43 pm

will try TCB. Thank you.
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Re: ST185 gas tank filler tube repair/replacement

Postby rallygarage » Thu Apr 15, 2021 2:20 pm

They are all out as well. I will have to repair what i have.
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Re: ST185 gas tank filler tube repair/replacement

Postby 93celicaconv » Thu Apr 15, 2021 5:09 pm

Your fuel filler neck part number is 77201-20420.

This site says they have it to sell (they likely don't as it has been discontinued, but it doesn't hurt trying just in case they have an NOS item still in their dealership inventory): https://parts.lakelandtoyota.com/p/TOYO ... 20420.html
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Re: ST185 gas tank filler tube repair/replacement

Postby rallygarage » Thu Apr 15, 2021 7:03 pm

They dont have any either.
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Re: ST185 gas tank filler tube repair/replacement

Postby Tippo » Thu Apr 15, 2021 8:09 pm

Did you reach out to GT4play at all? I had to email them and get a special order for my latest one. Try it out, they normally have pretty rapid response times.
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1992 ST185 Celica All-Trac Turbo. Teal Metallic. Project "Lazarus"
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Re: ST185 gas tank filler tube repair/replacement

Postby Alikazam » Fri Apr 16, 2021 1:29 am

If you have the tube off you might try taking it to a radiator repair shop and have it cleaned up, welded up, coated inside and painted. Will work for years after this. Good luck!
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Gen 3 engine
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327 AWHP @ 18psi - pump gas
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Re: ST185 gas tank filler tube repair/replacement

Postby grip-addict » Fri Apr 16, 2021 1:47 am

I'm with Alikazam. There are some temporary solutions you could do, but let's be real, getting the tank out sucks and you don't want to be doing this again.
I'm echoing his comment - take the tube to a radiator shop. They'll be able to cut out the bad sections and replace it with good steel. If it's too far gone, they can make you a new one. It's not that complex of a piece that you should have much trouble getting help.

best of luck, hope it's quick and painless.
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Re: ST185 gas tank filler tube repair/replacement

Postby rallygarage » Sat Apr 17, 2021 11:49 am

Thanks for all the ideas. Will keep trying.
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Re: ST185 gas tank filler tube repair/replacement

Postby abeans » Sat Apr 17, 2021 3:51 pm

This is the easiest gas tank i have ever removed. Takes 30 minutes.

There is a 185 filler neck on ebay right now from a russian seller.
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Re: ST185 gas tank filler tube repair/replacement

Postby rallygarage » Mon Apr 19, 2021 11:00 am

Thank you for pointer. I cleaned up my filler tube. the hole is 2mm by 4 mm. will try to weld up.
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Re: ST185 gas tank filler tube repair/replacement

Postby Tecker185 » Mon Apr 19, 2021 6:22 pm

Be careful welding the hole, there is a plastic tube inside it for the vent that melts easy. I usually braze holes in filler necks and gas tanks.


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Re: ST185 gas tank filler tube repair/replacement

Postby rallygarage » Thu Apr 22, 2021 11:51 am

in effort to save plastic tube inside I tried solder instead of weld and it worked. I reshaped metal around a little to make the opening narrower.
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Re: ST185 gas tank filler tube repair/replacement

Postby Alikazam » Thu Apr 22, 2021 2:50 pm

rallygarage wrote:in effort to save plastic tube inside I tried solder instead of weld and it worked. I reshaped metal around a little to make the opening narrower.


JB Weld metal epoxy is another option. They even make a tank repair version. Good luck with it!
1990 Celica Alltrac - Emma
Gen 3 engine
KO Racing Street Brawler - Precision 5130 Turbo
KO Racing In Factory ECU Case - Link G4x ECU
327 AWHP @ 18psi - pump gas
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