New tire and new wheel losing pressure
#1
Instructor
Thread Starter
New tire and new wheel losing pressure
I installed new tires and wheels but one wheel is loosing 5 PSI per week. I came back to NTB they checked tire for nails but it was fine, after that they reinstalled tire and charged me $24 for doing that after a week tire is still loosing pressure. Any ideas or similar problems in the past?
#2
Could the wheel be bent? Is the valve sealed properly?
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bartek7pl (05-05-2012)
#3
Instructor
Thread Starter
Hmm I hope that my new wheel is not bent I would feel that somehow while driving right? And I don't know about valve I don't know how to check that I depended on NTB's mechanics to do their job twice and Iam lost now don't wanna pay 3 rd time for the same sh.t.....
#4
Intermediate
5 lbs/week is a slow leak and can be hard to find. Squirt some glass cleaner or soapy liquid on the TPMS stem and look for bubbles. Next, do the same around the tire bead, front and back. It's better if the tire is off the car, flat on the ground. The bubbles will likely be tiny so look really close.
If still no luck, air the tire to 45-50 lbs and dip in at least 6 inches of water, slowly looking for bubbles from the wheel and tire as you roll it around. A swimming pool or bath tub works. I use a water tank at work for this.
A new tire and wheel are unlikely to leak. A re-installed TPMS sensor would be high on my list of causes. A leak of near 5 lbs/ week is a potentially serious problem, especially on a very low profile tire.
If still no luck, air the tire to 45-50 lbs and dip in at least 6 inches of water, slowly looking for bubbles from the wheel and tire as you roll it around. A swimming pool or bath tub works. I use a water tank at work for this.
A new tire and wheel are unlikely to leak. A re-installed TPMS sensor would be high on my list of causes. A leak of near 5 lbs/ week is a potentially serious problem, especially on a very low profile tire.
The following users liked this post:
bartek7pl (05-05-2012)
#5
Instructor
Thread Starter
5 lbs/week is a slow leak and can be hard to find. Squirt some glass cleaner or soapy liquid on the TPMS stem and look for bubbles. Next, do the same around the tire bead, front and back. It's better if the tire is off the car, flat on the ground. The bubbles will likely be tiny so look really close.
If still no luck, air the tire to 45-50 lbs and dip in at least 6 inches of water, slowly looking for bubbles from the wheel and tire as you roll it around. A swimming pool or bath tub works. I use a water tank at work for this.
A new tire and wheel are unlikely to leak. A re-installed TPMS sensor would be high on my list of causes. A leak of near 5 lbs/ week is a potentially serious problem, especially on a very low profile tire.
If still no luck, air the tire to 45-50 lbs and dip in at least 6 inches of water, slowly looking for bubbles from the wheel and tire as you roll it around. A swimming pool or bath tub works. I use a water tank at work for this.
A new tire and wheel are unlikely to leak. A re-installed TPMS sensor would be high on my list of causes. A leak of near 5 lbs/ week is a potentially serious problem, especially on a very low profile tire.
#6
Pro
When reinstalling the TPMS assembly, there is a one-time use gasket that must be replaced to ensure no leaks. Also, the TPMS must not be overtightened. I would check around the TMPS with soapy water...
The following users liked this post:
bartek7pl (05-05-2012)
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