cleaning fuel lines
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Senior User
Joined: Sep 2004
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From: Appleton, Wisconsin
cleaning fuel lines
i looked on top of my tank for a shut off-I just see a connection that I can unscrew with a boxend wrench. There is no shut off valve that I can see where the fuel line meets my tank(I assume a shut off valve has a tee-end like a radiator shut off vavle)-am I correct???????
that being said-what bad will happen if I disconnect the fuel line where it connects to the tank to flush it WITHOUT a shut off valve
what do I have to watch out for?
that being said-what bad will happen if I disconnect the fuel line where it connects to the tank to flush it WITHOUT a shut off valve
what do I have to watch out for?
Lead Driver
Joined: Apr 2002
Posts: 8,813
Likes: 13
From: Littleton, New Hampshire
Originally Posted by snipa
i looked on top of my tank for a shut off-I just see a connection that I can unscrew with a boxend wrench. There is no shut off valve that I can see where the fuel line meets my tank(I assume a shut off valve has a tee-end like a radiator shut off vavle)-am I correct???????
that being said-what bad will happen if I disconnect the fuel line where it connects to the tank to flush it WITHOUT a shut off valve
what do I have to watch out for?
that being said-what bad will happen if I disconnect the fuel line where it connects to the tank to flush it WITHOUT a shut off valve
what do I have to watch out for?
Maybe I don't fully understand the question. It it's a stock tank you should be looking at the bottom for a shut off...not the top.
Vern
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Joined: Sep 2004
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From: Appleton, Wisconsin
its a 53 all-original gas set up I believe
The line goes into tank on top-there is no shut off connection where it goes into tank-just a boxend connection of the fuel ine
Do I just dicconect the line at this end and the end up by the fuel pump in order to flush the lines
there is about a half tank of gas in the tank
The line goes into tank on top-there is no shut off connection where it goes into tank-just a boxend connection of the fuel ine
Do I just dicconect the line at this end and the end up by the fuel pump in order to flush the lines
there is about a half tank of gas in the tank
Lead Driver
Joined: Apr 2002
Posts: 8,813
Likes: 13
From: Littleton, New Hampshire
Originally Posted by snipa
its a 53 all-original gas set up I believe
The line goes into tank on top-there is no shut off connection where it goes into tank-just a boxend connection of the fuel ine
Do I just dicconect the line at this end and the end up by the fuel pump in order to flush the lines
there is about a half tank of gas in the tank
The line goes into tank on top-there is no shut off connection where it goes into tank-just a boxend connection of the fuel ine
Do I just dicconect the line at this end and the end up by the fuel pump in order to flush the lines
there is about a half tank of gas in the tank
Vern
Fleet Owner
Joined: Jul 2004
Posts: 27,295
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From: NM
Best bet is to siphon the gas out of the tank, into a jerry can or whatever, so there is as little as possible. I don't think 53-56 drew out of the top?? Are you sure it's stock? (Disclaimer: it's been 35 yrs since I had my 53)
GNW, your tank should have had a shut-off, they are a great feature! Hard to find the stock ones, might check an agricultural or heavy truck supply house.
GNW, your tank should have had a shut-off, they are a great feature! Hard to find the stock ones, might check an agricultural or heavy truck supply house.
Lead Driver
Joined: Apr 2002
Posts: 8,813
Likes: 13
From: Littleton, New Hampshire
Originally Posted by ALBUQ F-1
GNW, your tank should have had a shut-off, they are a great feature! Hard to find the stock ones, might check an agricultural or heavy truck supply house.
Vern
Senior User
Joined: Apr 2002
Posts: 414
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From: Austin, TX
My 48 had the original tank in it and there was no shutoff valve. When I treated my tank it opened up like cheese cloth and I bought another one from a member in OK. It looked EXACTLY like my stock tank and it did NOT have a shutoff valve. Therefore, I would assume that factory stock did not come with valves.
That being said, I think I am going to try and put one on but my recollection is there is something unique about the tank threads or finding a valve that will accomodate the fuel line. Seems I looked in to this and it was another one of those "find me if you can" kinda things. But then it may just be another senior moment.
Tim
That being said, I think I am going to try and put one on but my recollection is there is something unique about the tank threads or finding a valve that will accomodate the fuel line. Seems I looked in to this and it was another one of those "find me if you can" kinda things. But then it may just be another senior moment.
Tim
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Joined: Oct 2004
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From: Durham NC
Never have seen a shut off valve in the fuel line?
The pickup in your tank is near the bottom, it just exits the tank at the top. Disconnect the tank end before you disconnect the fuel pump end to keep any trash from running back into the tank. What makes you think it needs cleaning? It might get some varnish coating if it sat for a long time, but it is unlikely it has much else in it. I'd just back flush it with a shot of compressed air once you disconnect it. Hold a clean cloth over the end when you blow it out and see if anything comes out. If anything does come out the line has corroded, I'd replace the line with a new piece of tubing. Add an inline filter (I like the clear ones so I can visually check it) before the fuel pump when you put it back together.
The pickup in your tank is near the bottom, it just exits the tank at the top. Disconnect the tank end before you disconnect the fuel pump end to keep any trash from running back into the tank. What makes you think it needs cleaning? It might get some varnish coating if it sat for a long time, but it is unlikely it has much else in it. I'd just back flush it with a shot of compressed air once you disconnect it. Hold a clean cloth over the end when you blow it out and see if anything comes out. If anything does come out the line has corroded, I'd replace the line with a new piece of tubing. Add an inline filter (I like the clear ones so I can visually check it) before the fuel pump when you put it back together.
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