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Tube repair ?

P

Patsdeere

Well-known Member
I have a front tire tube on a 8n that is cracking at the base of the valve stem. Is it a goner or could I get away with a patch/reinforcement and call it good? It is still attached but just loses air. New tube is 45 bucks and I am trying to be cheap.
 
You could possibly install a new stem but you will be well along on the price of a new tube anyway. You can do it cheap then do it right, or just do it right to begin with which will be the cheaper way to go in the long run. Do it once and do it right. Mike
 
Better "bite the bullet". You can patch a leak on the main portion of the tube, but I don't see how you could do it at the base of the valve stem. And the worst part is, it will let go all at once, and you'll be stranded with no way to get it back to the barn without wrecking the tire. If you can get it to the tire place while it is still ambulatory, you'll save the cost of having the service truck come out.
 
It is probably a gonner. But, if you don't mind taking it down and doing it again if it doesn't work then I would give it a shot. I would take a large patch and punch a hole for the stem to fit through then apply the adhesive let it dry and go to town pressing the patch in place. If you don't have a single large patch you could try several overlapping patches as long as they have the thin edge they should seal between them.
 
My local farm store sells valve stem patches for $5. Cut off old stem, wire brush on grinder to flush it out, glue on new stem just like a patch. I just did 4 wagon tires that way as the 30 year old tubes are twice as thick as a 'new' one.
 
Buy the new tube.By the time you take it apart fix it and a couple days later it's flat again,it's more trouble than it's worth.Be cheap somewhere else.
 
Hi
Ive never used a stick on stem on a tire that small. just big rear tires. the last one I did the stem came off blowing the tube up checking for more leaks. It would not stick, so bought new tube $70 for a 16.9 x 30 rear tube, and saved the hassle of it letting go a second time in the field.

If that tractor has the 4.00 x 19 tire fitted buy the tube, and make sure the rim and tire's good to. Those things are a finger pinching awkward S.O.B to repair flats in. Due to the small size of the tire, and a guy generally having large hands.
Been there done that fix a few times with the larger 6.00 x 19 on Fordson majors. 7.50 x 16 is a lot nicer to work on with the extra space gained by the wider tire :).
Regards Robert
 
Front tube costs between 6.60 and 12.21 here, glue on valve stem cost 5.00 to 15.60 for a stem to put on a rear tire. The price you were given has to be for a rear tube.
 
Check around. Bet you will find a tube a good bit cheaper if you look a bit more. Is it a 19 inch or a 16 inch?? 19 got to a motorcycle shop 16 inch a car/truck place
 
tube it, and put a plastic bushing in the wheel, if it needs one. Not using the 25 cent bushing causes the stem to move around, lets in dirt, light, all of which lead to cracking. Not all rims/ tubes need a bushing, but those that do, do.
 
I never had trouble with a new valve stem yet. When positioning I take the core out and slide the stem down to the tube over a wooden match to center the hole.
 
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