Dirty gas tank help, better fuel filter options?

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May 23, 2010
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Near Charlottesville, VA
So I finally got my truck running after working on it for a couple of months, and when I bought the truck it had sat for 7 years and the gas was NASTY! I of course drained it, cleaned the carb, new filter ect... So I have drained the tank, and washed it out with water, and let it dry for a couple of weeks, but it still clogs up my carb and is keeping the truck from running now. The gas is still so dirty that it has turned the inspection window in the carb completly brown. You cant even see in the window. I have tried to get the tank pulled, but the bolts are frozen solid to the frame and I cant get it pulled. Is there any way to clean the tank with it still on the truck. It really sucks b/c I have to pull the carb off again and clean it, and I know the grime in the tank is just going to gum it up again. Is there a better fuel filter option out there. The oem seems about as useful as a piece of tissue paper. I have put in 93 oct gas and a can of seafoam, but it doesnt seem to be doing anything at all. I have no ideas on what to do at this point.
 
Sounds like you need to pull the tank to really clean it out. Even with the rusted bolts... Finding a clean tank from a wreck may be an option as well. And don't put anymore water in it rinse it with solvent when you have to rinse it again. Don't forget to clean out the fuel lines as well.

I run Wix filters in both my wagons and my diesel also has a secondary Racor filter/water seperater.

Tony
 
Has the tank been replaced via the Toyota recall? I just got mine replaced for free this week at the local Toyota dealer, all I had to do was call them, give them the VIN, and then schedule time for the work once the tank arrived...worth a shot
 
A spin-on marine fuel filter for gasoline powered boats will have a very large filter element in comparison to the typical filter element. Every once in a while you can catch the mount and the filter on sale at West Marine for about $30. I've had one of these filters on an air cooler for about 11 years and I've yet to need to replace the filter. I have one for my 60 and I'll be putting it in the system upstream of the EFI fuel pump.

West Marine is just one of many sources, but here's their page:
SIERRA Separator at West Marine

5327051.jpg
 
I would encourage you to try the recall for the gas tank. Having said that, I had a bad experience with the "new" tank installed by the dealership because it was full of crud. Must have been sitting in a warehouse somewhere and got contaminated with a mouse nest, hornets nest, whatever. And, the crap that was in the tank got past two (2) new in line filters. Seemed like the final resting place for the crap was the little screen that is in the carb where the gas line enters.
As I recall, POR 15 makes some sort of liner for rusted gas tanks. Might want to check that out.
 
Thanks guys. I did check on the recall when I bought the truck. It is covered, however thr lady there was a mega $*&@% and she kept tellig me I had to bring it in for service in order for them to do the recall work and I told her she was crazy. I will just go over her head when the time comes to have it done, but my biggest problem is that I cant drive the truck there, and dont really want to pay 100 bucks to have it towed to the dealer (its about 30 min away.)
 
Thanks guys. I did check on the recall when I bought the truck. It is covered, however thr lady there was a mega $*&@% and she kept tellig me I had to bring it in for service in order for them to do the recall work and I told her she was crazy. I will just go over her head when the time comes to have it done, but my biggest problem is that I cant drive the truck there, and dont really want to pay 100 bucks to have it towed to the dealer (its about 30 min away.)

No, you cannot fix the tank while it's in the vehicle. There is no good way of lining it. In the vehicle. You need to face the reality of either just being cheap and dealing with the fact you are always going to deal with fuel system issues or spend a few bucks and have your tank installed by Toyota for free.

Maybe to save a few dollars on towing you could rig a temporary tank using a gas can and some fuel line.
 
Pulling the tank is the best way to clean it. There are chemical liners you can add. I did that after fabricating a tank for a 1940s truck.

Ofcourse the dealer wants you to bring the vehicle in. Then they can tell you all the things it needs, what previous owners did to aggravate the fuel problem and stick you with a bill for repairing it. I have had no success with Toytota Dealers in three cities. I would not trust them with any car that old.

Good luck getting it fixed. Please do get it cleaned or you will clog up after bouncing around in the back country and there you will sit. That happened to me. So, I eventually had to do the above.
 
While I don't trust the local dealer with servicing my 60 (how old were most of the tech's when that rig was sold?), I have to give them credit. I rang them, asked for service, told them the VIN, they ordered the parts, contacted me when the parts arrived, and I brought the rig in. Not once did they push me for anything else.

Still wouldn't take my 60 there...
 
There may be gunk in your fuel lines. You may want to try and clean thiose out real well or replace with new.
 
There may be gunk in your fuel lines. You may want to try and clean thiose out real well or replace with new.

Correct. If your tank is full of junk, which is getting to your carb, then the junk is in your lines too. You should blow all lines out - and I would also suggest installing dual in-line fuel filters.
 
This is the plan for you.

Get a plastic 5 gallon gas can. This will be your temporary gas tank. Run the fuel line from the 5 gal can to the filter. You should then be able to drive to the dealer. About a block away stop and hook back up to the stock system and the dealer will be none the wiser. *****Warning***** Do NOT decide to leave it hooked up this way for the long term, it is dangerous and not meant to work as a permanent solution.

Dynosoar:zilla:
 
I would not waste time screwing with the old tank if your tank has not yet been replaced under the recall. I would just tow it down to the shop and get ti done.

I'm betting you have all kinds of crap in the fuel tank and you would have to pull the tank, flush it out and potentially have it hot tanked to clean it....and then you still probally have a lot of crap in teh fuel hoses and filter..

Get new tank, replace your hoses or clean them out, and filter again. I never liked the "lawn-mower" filter the 60 has anyway.
 
Well I took everyones advice. I called toyota today to get the new tank on order, and it took the entire day and 5 phone calls to the main toyota customer service. No could find my vin# i nthe system ( i was freaking out, thinking it may have been stolen) Well at about 6 last night, someone had the good sense to realize their computers only go back 10years (much like dmv, which I told them) and they found my vin # using a different data base. So the good news is that the tank has not been done yet, the bad news is that they no longer have the replacement kit for the 60's and you have to bring the truck in, so they can repair the trouble area. My local toyota deal is supposed to call me beginging of the week, and I will find out if that means they just make some repairs to my exsisting tank or if they replace, but the guy at toyota seems to think that they have no more tanks and will just work on the exsisting. Well that being said, I need to get this thing up and going, so I got a gallon of muratic acid, and a nice clean link of chain, and an impact gun. Todays project is to clean my exsisting tank and fuel lines. I will let everyone know how it turns out.
 
I would place a call to Cruiser Dan at American Toyota. If you search here on Mud you will quickly find his contact info. He is the parts guru at that dealership and can easily verify if this is true. If there really are no more tanks I would try seeing if they would buy an aftermarket tank or perhaps a used tank from out west that is in great shape.
 
CDan or Beno.
 
Correct. If your tank is full of junk, which is getting to your carb, then the junk is in your lines too. You should blow all lines out - and I would also suggest installing dual in-line fuel filters.

X2, just make sure you remove the gas cap before you blow out the lines.
 
Well it took the better part of 6 hours to get the tank out and cleaned. Iused a gllon of muratic acid. Man I forgot how strong that stuff is. I let it soak in the tank for over an hour, and I would slosh it around every 5 min. Once that was done I rinsed out with water over and over untill only clear water was coming out. Then I put in some more acid and did the same thing for about 30 min this time. The tank has been drying for sometime now, so this morning I will reinstall and then pull the carb and reclean.

I forgot to talk about how dirty the tank was. I am amazed that fuel ever made it to the carb. The strainer was completly covered in what looked like black tar. There was propbably a solid 1/2 coating of that black tarish stuff over the entire interior of the tank. I blew out all the lines with air as well. Hopefully this will solve my problems untill the dealership recall thing is figured out. I imagine that even if they have a tank, it will probably be a month or more waiting for it.
 
If you live in an area with any humidity at all you'll now have flash rust in the tank unless it was nearly immediately filled with fuel or sprayed down with an oil of some sort. The HCI is likely to have removed any plating that remained inside as well. If Mr. T does not come thru soon with a tank I strongly advise you to invest in lining the inside of the tank with a product like POR-15's "U.S. Standard Fuel Tank Sealer" or "Kreem" or similar, or you be back to fighting the same problem.
 

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