Can't Hold Tire Pressure
Thread Starter
Instructor
Joined: Mar 2006
Posts: 140
Likes: 0
From: Houston TEXAS
Can't Hold Tire Pressure
Noticed I was losing pressure on the way home, so I had the store that mounted them the first time redo it. The next day I look and see that the tire looks low again, so I take it to the dealer and let them do it. Seemed ok for about a week. Dropped off at the dealer for another problem, picked it back up, tire is low again.
What can I have them do, I am assuming it is just a matter of them not puting the sensor, etc. in properly. The other three tires are holding pressure just fine. Sensor is still reading properly. Any suggestions?
What can I have them do, I am assuming it is just a matter of them not puting the sensor, etc. in properly. The other three tires are holding pressure just fine. Sensor is still reading properly. Any suggestions?
Team Owner
Joined: May 2001
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From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Suggestion: Re-torque the valve stem nut. Easy does it though. The nuts are aluminum so the correct torque is important.
HTH,
Robert
HTH,
Robert
Racer
Joined: Sep 2004
Posts: 486
Likes: 1
From: Houston TX
I had a tire that leaked for a week and I couldn't find a nail anywhere. Finally I looked at the vavle stem nut and noticed that the leaky one was much looser than the good ones. A quick twist with the wrench fixed that problem. Was careful to not overtighten too (don't own any crow's feet yet).- Wisdom
Team Owner
Joined: May 2001
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From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Originally Posted by Wisdom
I had a tire that leaked for a week and I couldn't find a nail anywhere. Finally I looked at the vavle stem nut and noticed that the leaky one was much looser than the good ones. A quick twist with the wrench fixed that problem. Was careful to not overtighten too (don't own any crow's feet yet).- Wisdom
Pro
Joined: Feb 2000
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Also check valve stem cap...if aftermarket see that it isn't leaking there......real soapy water will check that and the stem for leaks without taking tire(rim) off of car....will blow bubble or bubbles at leak..........Had that happen...little o-ring in cap got mashed and would push down on valve core when installed.........
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Le Mans Master
Joined: Oct 2004
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From: Zephyrhills, Florida
St. Jude Donor '06-'07-'08-'09-'10-'11-'12-'13
Originally Posted by danberry
little o-ring in cap got mashed and would push down on valve core when installed.........
Advanced
Joined: Jul 2004
Posts: 63
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From: Park Ridge NJ
I had the same problem a few weks ago. Brought the car back and had them dismount tire. Tech found that the wheel where the tire bead sits was not clean. They cleaned it up with a scotch bright pad. Also. have them to apply bead sealer.
Tech Contributor
Joined: Dec 2003
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From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
The problem I had was a balance weight pinching the bead. caused a slow leak. Try a little dish washing liquid around the weight. May be one on the inside too.
Team Owner
Joined: May 2001
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From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Originally Posted by stevettenj
I had the same problem a few weks ago. Brought the car back and had them dismount tire. Tech found that the wheel where the tire bead sits was not clean. They cleaned it up with a scotch bright pad. Also. have them to apply bead sealer.
About three years ago I kept having the slow loss-of-air problem at one wheel. Some soap bubbles appeared at one spot along the bead at one place. After removing the tire I found a small bar-code sticker on the bead of the tire that was placed there by the manufacturer. Although small (about 3/4" x 1"), and made of thin plastic, it was all it took to create a very slow leak.
HTH
Burning Brakes
Joined: May 2006
Posts: 1,089
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From: Corona California
St. Jude Donor '06
leak
Originally Posted by c5freak
It may be the stem o-ring on the sensor.
Did you get new ones when they remounted the sensors?
A tank of water will tell you where it is for sure.
Al.
Did you get new ones when they remounted the sensors?
A tank of water will tell you where it is for sure.
Al.
Racer
Joined: Apr 2006
Posts: 391
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From: Enterprise Al
if you have aftermarket caps check to see if it has an o ring in it because sometimes it comes loose and then when you tighten it is presses on the valve stem. also i had a set of z07 rims and new kdw2s put on and when i went to pick it up i found that one tire was leaking. it was the o ring for the tps. good luck