tire bead/alloy wheel rim corrosion - Saab 900 Bulletin Board - Saabnet.com
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tire bead/alloy wheel rim corrosion
Posted by JohnB (more from JohnB) on Wed, 3 Jan 2001 11:47:13
In Reply to: why would both front tires go from 35 psi to 26 psi?, goo, Tue, 2 Jan 2001 11:44:26
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Aggravated by cold weather and aging wheels. could also be water/condensation between the bead and the rim, turns into ice and expands, leaks a little air. Remarkable how may people develop this a few months after new tires installed. About the only cure is to demount the tire and thoroughly clean/smooth the bead mounting area. Sometimes the wheel has to be sanded/resealed/repainted to get an adequate sealing area.
Also, in extremely cold weather the tire can stiffen up so much and even turn on the wheel or leak when the car moves...one winter at -40F we had an air-out on a rear wheel on the volvo. Put on the spare and drove very carefully to a service station where they remounted the now warm wheel/tire and couldn't find anything wrong with it. Hasn't had any problems for another 5 years and at least one new tire since.
Could also have bad tire valves.....
Posts in this Thread:
- why would both front tires go from 35 psi to 26 psi?, goo, Tue, 2 Jan 2001 11:44:26
- tire bead/alloy wheel rim corrosion, JohnB, Wed, 3 Jan 2001 11:47:13 <-- Viewing This Message
- Depends on the compressor location, GregD, Tue, 2 Jan 2001 13:01:35
- Re: why would both front tires go from 35 psi to 26 psi?, Nathan Work, Tue, 2 Jan 2001 12:26:52
- did you use your own pressure gauge?, dave n, Tue, 2 Jan 2001 11:53:19
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