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Inflated tyre

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bljnv

Mechanical
Sep 17, 2003
70
I have a fundamental question.
What are the various factors which can cause the drop in air pressure inflated inside the tire cavity over the period while the vehicle is running and or is parked?
Regards
 
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diffusion through the rubber. Diffusion through the bead/rim interface. cracks or porosity in the wheel rim. Perhap some oxidation of the rubber.

Cheers

Greg Locock


New here? Try reading these, they might help FAQ731-376
 
1) A puncture of some sort.

2) Some sort of manufacturing flaw.

3) The interface between the tire and the rim.

4) A valve leak.

5) The interface between the valve and the rim.

6) A leaky wheel - cracked or porous.

Try immersing the tire and wheel in water (like a kiddy pool), or spray soapy water over the area and see where the bubbles come from.

And with small leaks, this could be very difficult to detect. Patience would be a virtue.

 
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