Weather playing havoc, or possible tire leak? - Maserati Forum
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post #1 of 29 Old 05-13-2019, 05:28 PM Thread Starter
 
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Weather playing havoc, or possible tire leak?

Weather has been up and down again lately.. My back left tire seems to get affected the most. When it gets chilly, it's constantly whining about being under inflated. Is this common, or do you think I have a small leak?


Very annoying..
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post #2 of 29 Old 05-13-2019, 06:28 PM

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Are you relying entirely on the dashboard readings, or also testing it with an external gauge and getting an indication that it is indeed under inflated ? If so, by how much PSI vs. the other tires ?
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post #3 of 29 Old 05-13-2019, 06:50 PM
 
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If you inflate the tires to the recommended pressures, it is not enough to keep the message from popping up in cold weather. You need to keep inflated 2-3 psi above recommended to keep that from happening.
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post #4 of 29 Old 05-13-2019, 07:34 PM Thread Starter
 
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Actually, when I hook my air pump up to it, it's usually spot on the dash reading as well. I've gotten to where I'm putting 35 into it. It's always the same tire, so that's why I'm wondering if it has a very slow leak. I guess I can take it in and have it checked out, but I know that's an expense. Is what it is, but was really checking to see if others had this commonly or not.
When it's warm, it's typically not an issue, but it still reads lower than the others..
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post #5 of 29 Old 05-13-2019, 09:01 PM

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Most likely if it continues to happen after you have topped it off, then you have a leak. I have had two such instances in the last 8 mos. If the puncture is too close to the sidewall, then it could require a new tire. And unfortunately, if your tires have significant wear, you may need to replace both rear tires. Not cheap if you are replacing with P Zeroes. If the puncture is in the middle, a patch and plug might fix the problem. It was $400 out the door for my replacement tire and only $30 for the patch.
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post #6 of 29 Old 05-14-2019, 02:49 AM
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Don't want to state the obvious, but have you calibrated the system? If it was calibrated at a higher pressure, then it'll whine....

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post #7 of 29 Old 05-14-2019, 03:24 AM
 
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A lot of post to just figure out how much air to put in a tire...If it keeps getting low then you have a leak...J

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post #8 of 29 Old 05-14-2019, 04:56 AM

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You have to run the calibration when it does this, it's glitchy. It gets bad telemetry from a tire and starts complaining but it's possibly nothing. Do the calibration procedure and see if it shuts up.

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post #9 of 29 Old 05-14-2019, 10:32 AM
 
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I have had my tires are 40-42 PSI for two years now (spring, summer, fall use only) and never had any issues....I am hoping this is not "too" full, but again zero issues.



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post #10 of 29 Old 05-15-2019, 11:59 AM
 
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Over-inflating tires does have a couple of disadvantages. Since they absorb less of the road imperfections, these are now transferred to suspension and bearings. Therefore, hard tires can cause increased wear on those items. And of course, the tires will be more prone to uneven wear.
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post #11 of 29 Old 05-15-2019, 09:42 PM
 
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Is 40-42 PSI (seems to fluctuate anywhere from 40, 41 or 42 depending on the day).....considered "over-inflating"?



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post #12 of 29 Old 05-15-2019, 10:07 PM

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If that’s a cold 40-42 PSI, I think it’s way overinflated, even in the winter. On these cars ( considering Maserati indicates the tires should be at 32 psi cold ) I would not go over 34 in the summer and 36 in the winter. IMO.
The fact that you haven’t had a problem yet is good news , but not sure I’d take chances with fully warmed up tires reaching above 45. It’s not as if they’re going to blow up but you won’t get the ideal amount of rubber on the road for handling, safety, and mpg, if one cares about that ..
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post #13 of 29 Old 05-15-2019, 10:14 PM
 
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Put like 36 PSI in the tire and call it a day...If the tire continues to read low then you have a small leak...Take it to a tire shop and let them dunk it in a tank...12 post to figure out how to inflate tires is crazy ..It's a car tire..Not a lung or kidney...and I have never heard of over-inflated tires wearing out ball joints and wheel bearings...Good stuff on that one...Jason

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post #14 of 29 Old 05-16-2019, 04:31 AM

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It's all about what the manufacturer recommends for their equipment. QP V wants 29 psi all around... My Porsche 928 wanted 36 psi front and 44 psi rear... go figure.

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post #15 of 29 Old 05-16-2019, 07:02 AM
 
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Make it 15 post...29 PSI will turn your TPMS warning on so I don't get that one..How about 36 PSI? Next new thread will be how to properly put fuel in a QP...Jason

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