How much air pressure do you lose per month?
Super Member
Joined: Dec 2013
Posts: 522
Likes: 69
From: North Texas
Presently 19 S560 SEDAN, 2014 XK, SOLD GLE 450e
None to notice on my ML350 Bluetec......but a lb a day in my CL550's right rear tire. Gotta fix that one rear tire that loses a lb a day. Tired of filling it up every two/three days. No nail to be seen.
Thread Starter
Member
Joined: Nov 2012
Posts: 237
Likes: 2
C300, ML350
Hi,
Yeah I notice around 3 psi loss per month and I was wondering if this was normal? Didn’t notice this much loss on my c class. I don’t know if this much loss is normal,by the way I have Continental all seasons on my w166.
Yeah I notice around 3 psi loss per month and I was wondering if this was normal? Didn’t notice this much loss on my c class. I don’t know if this much loss is normal,by the way I have Continental all seasons on my w166.
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Joined: Apr 2016
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Likes: 205
From: NW
2018 GLC 4MATIC
Originally Posted by peter2772000
3 psi/month seems like nuts. Oh, and try nitrogen instead of air, leakage is reduced.
Pressure stays the same no matter how cold or hot is the weather. Love it.
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Joined: Nov 2012
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A gaggle of MB's
If this 3lb/month is consistent month-to-month - if you haven't had a 30deg temp drop each successive month - and it's more than one tire - then you have a mounting probelm when they put on those tires - or real ****ty valve stems. If it's one tire only - then there is a bald valve stem there - or slow leak in the tire (which can be hard to spot) - or that tire/wheel has poor mounting
Correction - temperature affects tire pressure the SAME for both Air and Nitrofill - about 1deg per 10deg F
https://www.tirerack.com/tires/tiret...jsp?techid=191
Correction - temperature affects tire pressure the SAME for both Air and Nitrofill - about 1deg per 10deg F
https://www.tirerack.com/tires/tiret...jsp?techid=191
Thread Starter
Member
Joined: Nov 2012
Posts: 237
Likes: 2
C300, ML350
If this 3lb/month is consistent month-to-month - if you haven't had a 30deg temp drop each successive month - and it's more than one tire - then you have a mounting probelm when they put on those tires - or real ****ty valve stems. If it's one tire only - then there is a bald valve stem there - or slow leak in the tire (which can be hard to spot) - or that tire/wheel has poor mounting
Correction - temperature affects tire pressure the SAME for both Air and Nitrofill - about 1deg per 10deg F
https://www.tirerack.com/tires/tiret...jsp?techid=191
Correction - temperature affects tire pressure the SAME for both Air and Nitrofill - about 1deg per 10deg F
https://www.tirerack.com/tires/tiret...jsp?techid=191
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Junior Member
Joined: Jun 2016
Posts: 20
Likes: 2
MB ML 350 4Matic, Sprinter 2500 High Roof Passenger
Valve stem cores
Just a thought...you may want to check your tire valve stem cores to ensure that they are tight. This is an easy thing to do with a very inexpensive valve stem tool.
I had a similar problem years ago and this was the cause. I keep one of these tools in the glove compartment of each of our vehicles.
Good luck!
I had a similar problem years ago and this was the cause. I keep one of these tools in the glove compartment of each of our vehicles.
Good luck!
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Member
Joined: Jan 2014
Posts: 236
Likes: 30
From: Florida
2013 ML350 Bluetec, 2016 C3, 2020 Lincoln Aviator
Thread Starter
Member
Joined: Nov 2012
Posts: 237
Likes: 2
C300, ML350
Just a thought...you may want to check your tire valve stem cores to ensure that they are tight. This is an easy thing to do with a very inexpensive valve stem tool.
I had a similar problem years ago and this was the cause. I keep one of these tools in the glove compartment of each of our vehicles.
Good luck!
I had a similar problem years ago and this was the cause. I keep one of these tools in the glove compartment of each of our vehicles.
Good luck!
