J-T Posted August 16, 2014 Posted August 16, 2014 Nowt's ever simple is it I've just had the wheels on the other half's Rav 4 refurbed, so obviously they had to take all the tyres off and put them back on. I picked it up yesterday and all was fine, then went out to it this morning and the nsf tyre was flat as a witch's tit. Naturally the refurb place ain't open at weekends plus it's a 25 min drive away, so I thought I'll just take it somewhere local, must have a faulty valve or something. So I took it to an under the arches type part worns place. He put the wheel in water and neither the tyre rim or the valve was bubbling but he took the tyre off again, painted some black stuff around the rim and the valve to help seal it and refitted the tyre to make sure it was sealed properly. He checked it for punctures as well and it was fine. I've just been out to check how it is and it's half way down again. Has anyone ever had this where a tyre's been removed and refitted? I don't see what's up with it, the wheel looked fine when the tyre was off.
KruJoe Posted August 16, 2014 Posted August 16, 2014 He said the valve's fine. And if they've refurbed the rims, they should have painted the inside of the rim, so I doubt it's gone porous. So the problem's with the tyre, most likely an actual puncture, possibly from a shard of glass that's gone in and come out making a small, clean hole. A tube would fix the problem, though the tyre (and maybe wheel) manufacturer probably wouldn't recommend it.
J-T Posted August 16, 2014 Author Posted August 16, 2014 The wheels were blasted and painted, so shouldn't be porous. The bloody thing was fine until I 'improved' it, why do all my cars hate me, I try to do nice things for them and in return... Same with my alfa - it failed it's MOT on rear brake effectiveness, or however they term it, so I stripped all the brakes down, cleaned them up and it passed....then the battery light decided to illuminate on the way home. Oh yes, that'll be the alternator then which is just about the most inaccessable item in the engine bay, book time is about 5 hours. Joy.
Cavcraft Posted August 16, 2014 Posted August 16, 2014 You won't be able to tube it if it's wider than a '70' series (section) tyre and if there is something in the tyre itself (or on the rim) it could cause the tube to blow out.
HH-R Posted August 16, 2014 Posted August 16, 2014 Have you upset any of your neighbours recently? bigfella2 1
Split_Pin Posted August 16, 2014 Posted August 16, 2014 Had exactly the same problem with my old Vectra with the same efforts made to cure the problem, to no avail. Last chance saloon, chucked a can of tyre weld in it and the tyre and wheel were fine for another year until the car died.
skattrd Posted August 17, 2014 Posted August 17, 2014 Last time I had a slow puncture I also used some tyre weld on it, job sorted. I find it's crap on real punctures but OK on a slow one.
J-T Posted December 27, 2014 Author Posted December 27, 2014 Well in an *exciting update to this thread, I followed the above advice and stuck a can of tyre weld in it. That's worked fine for the past few months but now iut's back to it's old tricks again. Not the valve as I've checked that. I just know that if I put a new tyre on it, it will be the wheel. Might try getting it re-sealed again first, but my OH is whinging to stop being tight and just get a new tyre, no matter how many times I try to explain that the tyre may not be at fault. Arses.
Minimad5 Posted December 27, 2014 Posted December 27, 2014 I have this current problem on my daily.GR8 for being late for work... Etc. I've had the tyre removed and inspected (internally) as apparently it's easer to see any foreign bodies, cuts, rips or turrs (spelt wrong !)Anyway, found one of the valves to be weeping, only after wiggling it under water.But the other wheel - fawk knows ! Was actually considering getting alloys refurbed, to eradicate the porous theory. Good luck anyway.
J-T Posted December 27, 2014 Author Posted December 27, 2014 I have this current problem on my daily.GR8 for being late for work... Etc. I've had the tyre removed and inspected (internally) as apparently it's easer to see any foreign bodies, cuts, rips or turrs (spelt wrong !)Anyway, found one of the valves to be weeping, only after wiggling it under water.But the other wheel - fawk knows ! Was actually considering getting alloys refurbed, to eradicate the porous theory. Good luck anyway.In typical arse about face fashion, all the wheels on this actually held air fine before they were refurbed, but looked bloody awful. It's only since they were refurbed that this one has decided it's a whoopee cushion. Maybe it just didn't like being removed/refitted several times.
Minimad5 Posted December 27, 2014 Posted December 27, 2014 Can you not ask the bloke who refurbed them, how / what he did ?From there you may find an answer.
bigfella2 Posted December 27, 2014 Posted December 27, 2014 If the tyre is going flat, it has to be losing air, and it should bubble when immersed in water. Don't think the tyre fitter has looked hard enough for a puncture. If its going down air has to come out somewhere. Whenever i have had a slow puncture its always is always leaking from the bead, if you lay the wheel on its side and fill the bead with water and wait. Also had numerous problems with wheel weights, especially the ones the hook over the rims.
Split_Pin Posted December 27, 2014 Posted December 27, 2014 With old alloy wheels there's no stopping it. If its not losing air fast Is just live with it. Are wheels dear for your car?
J-T Posted December 27, 2014 Author Posted December 27, 2014 With old alloy wheels there's no stopping it. If its not losing air fast Is just live with it. Are wheels dear for your car?It loses about 10psi over 3-5 days. If it was mine, I'd live with it until it needed replacing but that's not an option apparently! You can get replacement alloys on ebay etc but they're all knackered - Toyota alloys corrode badly, so I'd have to get it refurbed probably. If the tyre is going flat, it has to be losing air, and it should bubble when immersed in water. Don't think the tyre fitter has looked hard enough for a puncture. If its going down air has to come out somewhere. Whenever i have had a slow puncture its always is always leaking from the bead, if you lay the wheel on its side and fill the bead with water and wait. Also had numerous problems with wheel weights, especially the ones the hook over the rims.The guy did check it in front of me, there was no bubbling. I might take the wheel off myself and put it in the bath and see if I can see owt as I suspect it's probably the bead (even though it looked fine). Failing that I'll just have to chuck a new tyre on and hope.
Minimad5 Posted December 27, 2014 Posted December 27, 2014 Just use a watering can or something, and place the wheel on the floor, fill the cavity between the alloy rim and tyre, then watch for bubbles. Same for valve, just prop the wheel up, so the water doesn't all run out.
plumbertony Posted December 27, 2014 Posted December 27, 2014 Finding small leaks can be hard with water, I've used gas leak detection spray in the past. http://www.ebay.co.uk/itm/Regin-L05-leak-detection-fluid-120ml-/301439873912?pt=UK_Home_Garden_Hearing_Cooling_Air&hash=item462f377378 Just brush around the bead, valve etc any leak will show as bubbles/foam.Have you checked the valve core isn't leaking?
PhilA Posted December 27, 2014 Posted December 27, 2014 Second on the core I recently replaced a couple valves on the Renault that looked fine and didn't bubble or owt.. found what the problem was when I went to put air in, filled it up, checked it, screwed the cap on and PSSSSSSSSSHHHHHHHHHHH the valve had a fine split in it that the action of doing the cap up caused to finally break properly $0.99 of new valves later and the things hold air --Phil
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