Do TST 507 sensors just go bad?
I had brand new tires and the TST 507 installed on my motorhome this past spring, and everything has been working fine until the end of Labor Day weekend. I keep all of my tires at 120psi, but when I ...
Forum Discussion
" Their suggestion was to loosen the valve core in case it was not fully engaging with the sensor, which doesn't make sense to me."
I have seen this suggestion from several TPMS manufacturers.
Actually once the sensor is installed the valve core no longer has to seal as the TPMS depresses the valve core.
So if the valve core has been loosened to the point it has a little leakage the TPMS sensor will still work as the sensor will seal the valve stem.
I fill my tires about 2 psi above desired pressure. Then by the time the sensor is installed I get close to desired pressure from the TPMS.
What I try to do is get all 4 TPMS sensors reporting the same pressure. Pressures from a given tire that does not match the other tires is what I am mostly concerned with.
If a tire is 5 psi or more different than the others that tire most likely has a problem and should be checked ASAP.
I have seen this suggestion from several TPMS manufacturers.
Actually once the sensor is installed the valve core no longer has to seal as the TPMS depresses the valve core.
So if the valve core has been loosened to the point it has a little leakage the TPMS sensor will still work as the sensor will seal the valve stem.
I fill my tires about 2 psi above desired pressure. Then by the time the sensor is installed I get close to desired pressure from the TPMS.
What I try to do is get all 4 TPMS sensors reporting the same pressure. Pressures from a given tire that does not match the other tires is what I am mostly concerned with.
If a tire is 5 psi or more different than the others that tire most likely has a problem and should be checked ASAP.
