Tyre valve stem leak

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As I said in #101, my current car has tyre pressure sensors installed in the valves (works very well). Tyre fitters don't mention changing them, but I don't suppose the seal into the rim is any less likely to leak than conventional valves.

Have motorists been ripped off for decades paying for new valves at every tyre change? However painful it might be to admit it!
 
Worked out what special tool you need to protect the rim yet?
Rag, TPU, wood, reusable cable ties, the options are endless.
IMG_3367.gif
 
As I said in #101, my current car has tyre pressure sensors installed in the valves (works very well). Tyre fitters don't mention changing them, but I don't suppose the seal into the rim is any less likely to leak than conventional valves.

Have motorists been ripped off for decades paying for new valves at every tyre change? However painful it might be to admit it!
My tyres last 10+ years. Getting ripped a new valve is not something that enters my mind. If this thread succeeds, they will rip me no more. In all my tyre buying, the price was all inclusive. So, I never felt ripped because by the time I go for it, I would be happy with the price already.

You have a leak too? What techniques are you using to identify the leak?
 
What techniques are you using to identify the leak?

See the image below, hope it helps.
I would definitely confirm this using my latest china acquisition. But bummer, it had a leak. Unless the accurate measurement is read quickly, it is lost. Having just taken it apart, I regret being hasty and giving the seller a bad score. The leak was probably from the parts not being tightened down adequately. Will verify this tomorrow. If failing, I may have to spray it with soapy water or dunk it in a bowl of water to identify which part.

gauge.jpg
 
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