Georgia Fiero Club Forum

All Things Fiero => General Fiero Discussion => Topic started by: TopNotch on May 01, 2019, 10:18:50 am

Title: Found the smell source
Post by: TopNotch on May 01, 2019, 10:18:50 am
Those of you who were at the March meeting may recall that I mentioned a gas small coming from my yellow car after driving it some. Here's the tank from that car. It appears to have been leaking at the fuel pump hole. I have a new O-ring on order from the Fiero Store.

Title: Re: Found the smell source
Post by: Fierofool on May 01, 2019, 02:10:20 pm
Have you ever replaced it or did it just fail from age? 
Title: Re: Found the smell source
Post by: TopNotch on May 01, 2019, 03:06:27 pm
I think it failed from age. It  looks slightly flattened, which I'm sure it's not supposed to be.
Title: Re: Found the smell source
Post by: GTRS Fiero on May 01, 2019, 05:45:32 pm
May as well clean up the tank and seal it, while it's out.
Title: Re: Found the smell source
Post by: Raydar on May 01, 2019, 08:47:46 pm
May as well clean up the tank and seal it, while it's out.

Probably doesn't need much of anything, other than the new O-ring. We live south of the Manson-Nixon line.
Title: Re: Found the smell source
Post by: GTRS Fiero on May 01, 2019, 08:52:21 pm
Mason-Dixon?

Charles Manson was unrelated.

That wouldn't bother you, knowing it was sittinng in there, looking like that?
Title: Re: Found the smell source
Post by: Fierofool on May 01, 2019, 09:41:08 pm
There's a joke in there, Michael.  You've got to know Steve and his play on words. 
Title: Re: Found the smell source
Post by: TopNotch on May 01, 2019, 10:42:13 pm
The tank is mostly back in the car. One hose clamp is bad -- I kept turning and turning it, and it wouldn't tighten. I have more somewhere, but it was time to quit. I need to get that car back together soon, because the AC has decided to quit working on the silver car, and it's getting warm out there.
Title: Re: Found the smell source
Post by: Raydar on May 02, 2019, 08:35:57 am
...
That wouldn't bother you, knowing it was sittinng in there, looking like that?

Nah. I might scrub it with a brush and some soap 'n' water, to remove the gas stains/residue.
I'm quite sure it's otherwise intact.
Title: Re: Found the smell source
Post by: TopNotch on May 03, 2019, 10:10:49 am
I finished putting the car back together, filled the tank, and drove it to work. No smell -- operation a success. I also replaced the filler hose set with a new set from the Fiero Store. I don't know who said the Fiero Store set was thinner, but it wasn't. And here's a tip. The set consists of the two hoses required stuck together. If  you take a sharp knife and separate them, you will find them MUCH easier to install. Even so, the small hose is a bear to get on, and I had to bevel the ends of the hose with an Exacto knife.
BTW, the old O-ring was just that -- a rubber O-ring. I don't think it was original. The new one from the Fiero Store had little tabs to make sure it was centered in the hole.
Title: Re: Found the smell source
Post by: PK on May 03, 2019, 10:26:25 am
Well done TN, looks like a job worth doing that before it became a bigger problem. 

It might have been me mentioning a post on PFF about the Fiero store hoses being thinner.  Good to know they are not... Just need Sir Rodney or someone with affordable postage to offer them.

I was wondering whether to do the tank whilst cleaning underneath.  The straps look like they could do with a paint and, from your recent experience, can the straps be removed without tank removal? Looks they can be undone but not unhinged?

Title: Re: Found the smell source
Post by: TopNotch on May 03, 2019, 11:04:02 am
I've never taken the straps off, and I'm pretty sure it couldn't be done with the tank in place. And they are galvanized -- paint doesn't stick well to galvanized steel. I don't have any experience with a Fiero driven where road salt is used. Every one I have seen had clean straps that didn't need painting.
Title: Re: Found the smell source
Post by: Fierofool on May 03, 2019, 11:16:53 am
I don't know if the straps can be removed if you only intend to remove them and leave the tank in place, but I know they will come out about the time you get the tank back in place after replacing a pump or sending unit.   :(

They are only T bolts on the end of the strap that when the strap is pushed upward, will access a slot in the mounting bracket that allows for removal. 
Title: Re: Found the smell source
Post by: Slyp on May 03, 2019, 11:41:00 am
I think if you take the straps off the tank will fall down and go boom.  The only thing that would be holding it up would be the gas neck hoses and the gas lines.
Title: Re: Found the smell source
Post by: PK on May 03, 2019, 12:22:42 pm
Ahaaa galvanised, thanks.  I will acf50 them rather than paint.

Title: Re: Found the smell source
Post by: Fierofool on May 03, 2019, 01:38:31 pm
On AC equipped cars there is a set of hoses that run along the lower edge of the tank.  Every tank I've been involved with removing had to be maneuvered around to get past those hoses and their insulation. 

A jack stand or two could be placed underneath the tank to help support it.  You know how things are that are hanging and you just can't get them loose.  The moment you get your head under it, down it comes.

Better still, the jack stands should be under the frame or cradle.  Use the floor jack and a piece of wood to support the tank. 
Title: Re: Found the smell source
Post by: montegut on May 03, 2019, 01:49:46 pm
I had a fuel leak so I dropped the tank and replaced the pump, all hoses and the large o ring this past weekend. Even replaced the insulation on the A/C lines . Cleaned  up the tank and straps and painted them. Was so proud of my work. Put the tank back under the car and connected the vent hose. Tightened up the rear strap with a few choice words for good measure.  Went to the front to tighten the front strap and noticed I had put it in backwards!! AGHH! I was not going to drop the tank again. I was able to take the front strap off and turn it around and install it correctly. I had to loosen the rear strap and “persuade” the tank to do what I needed it to but I got it done.
Title: Re: Found the smell source
Post by: GTRS Fiero on May 03, 2019, 06:30:36 pm
The tank was in backwards?
Title: Re: Found the smell source
Post by: TopNotch on May 03, 2019, 08:25:34 pm
With the car on jack stands, I used two scissor jacks to lower and raise the tank. I have plenty of control on it that way.