This may sound odd but I'll give it a try. We returned home from our last trip 11/10/20 and as usual parked the rig on the side of our back yard. Yard fully fenced, 6ft pvc with gates, etc, not sun exposure to the drivers side. While we are on the road I always check the tire pressure prior to departing each location. So we've been home a good four months now. Preparing for a short in-state trip, I discover that the drivers side front tire is reading 29lbs. I always run them between 61 and 65 cold. Hmm..... all the way home the TPMS system did not read or indicate any issues with either heat or psi on any of the tires. The rig has not moved the entire time we have been home. Is there any such thing as a tire experiencing an occurrence, while not moving, that could initiate a very slow leak, like the loss of 35 pounds in a little over 4 months?? Anyone have any experiences similar to this that would help me figure it out? I have brought the seemingly possessed tire back to 65 psi cold, waited 1 hour and it didn't show any loss. I'm suspecting that my test was not too scientific so I'll recheck tomorrow, giving it a full 24 hours before checking again. Any and all input much appreciated.
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I have had this issue with plenty of tires. I have a tractor tire that will sit in the garage all year long and hold air , using to mow once a week or so. Then out of the blue the left front tire will be flat. Pump it back up and good to go for months again. A similar experience with a dump trailer tire. I would think that you might have a bad valve , a small puncture , or maybe even a cracked rim that could be the root of the problem. If you could remove the tire/wheel assembly from the trailer and fill to 70 or 80 psi and spray a water/dish soap mix all over the tire and wheel you may find the culprit.
BrianBrian & Michelle
2018 Reflection 29RS
2022 Chevy 3500HD
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Originally posted by Country Campers View PostI have had this issue with plenty of tires. I have a tractor tire that will sit in the garage all year long and hold air , using to mow once a week or so. Then out of the blue the left front tire will be flat. Pump it back up and good to go for months again. A similar experience with a dump trailer tire. I would think that you might have a bad valve , a small puncture , or maybe even a cracked rim that could be the root of the problem. If you could remove the tire/wheel assembly from the trailer and fill to 70 or 80 psi and spray a water/dish soap mix all over the tire and wheel you may find the culprit.
BrianDave and Sue
2020 GD 2250RK
2019 F-150 XLT, 5.0, 4WD, SB
Curt 17500 WDH, 3.55
GY Endurance, Dexter EZ Flex
SCPO(SW) USN, (Ret), HP: Tampa Bay ⚓️🇺🇸
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Originally posted by Country Campers View PostI have had this issue with plenty of tires. I have a tractor tire that will sit in the garage all year long and hold air , using to mow once a week or so. Then out of the blue the left front tire will be flat. Pump it back up and good to go for months again. A similar experience with a dump trailer tire. I would think that you might have a bad valve , a small puncture , or maybe even a cracked rim that could be the root of the problem. If you could remove the tire/wheel assembly from the trailer and fill to 70 or 80 psi and spray a water/dish soap mix all over the tire and wheel you may find the culprit.
Brian
When I check my tires, I actually submerge them in my swimming pool. Any little leaks show up very quickly.
JimJim and Ginnie
2024 Solitude 310GK - 2020 F350 Dually
GDRV Technical Forum Moderator
GDRV Rally Support Coordinator
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Originally posted by TucsonJim View Post
When doing the soap thingy, make sure you remove the tire valve cover and spray the valve core. Also, grab the valve and move it around while spraying it. This will help you spot any valve issues.
When I check my tires, I actually submerge them in my swimming pool. Any little leaks show up very quickly.
JimDave and Sue
2020 GD 2250RK
2019 F-150 XLT, 5.0, 4WD, SB
Curt 17500 WDH, 3.55
GY Endurance, Dexter EZ Flex
SCPO(SW) USN, (Ret), HP: Tampa Bay ⚓️🇺🇸
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Originally posted by TucsonJim View Post
When I check my tires, I actually submerge them in my swimming pool.
Jim
DanDan & Carol
2014 303RLS Reflection #185 (10/2013 build)
2012 Silverado LTZ Crew Duramax 2500HD - 2700/16K Pullrite Superglide
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Originally posted by Canyonlight View Post
Jim - do you have ramps to drive into your pool or do you just let er rip and run off the edge of your pool ? Would love to see the videos.
Dan
Jim and Ginnie
2024 Solitude 310GK - 2020 F350 Dually
GDRV Technical Forum Moderator
GDRV Rally Support Coordinator
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So I fought bead sealing issues for a long time on my SXS. Sometimes it would hold air for 6 months, some times 6 hrs In the end I threw in the towel and put in tubes. You may have a slightly imperfect rim that is leaking on the bead. If it has not moved since you parked it and now its low, start with shooting the bead front and rear. From there you may need to pull the wheel and look for anything. I had another tire pick up a staple in the siping groove. Fought that one for about 2 years before I accidentally found the air bubble when spraying it the unknownth time.Joseph
Tow Vehicle: 2024 GMC K3500 Denali Ultimate Diesel
Coach: 303RLS Delivered March 5, 2021
South of Houston Texas
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Originally posted by Jlawles2 View PostSo I fought bead sealing issues for a long time on my SXS. Sometimes it would hold air for 6 months, some times 6 hrs In the end I threw in the towel and put in tubes. You may have a slightly imperfect rim that is leaking on the bead. If it has not moved since you parked it and now its low, start with shooting the bead front and rear. From there you may need to pull the wheel and look for anything. I had another tire pick up a staple in the siping groove. Fought that one for about 2 years before I accidentally found the air bubble when spraying it the unknownth time.Dave and Sue
2020 GD 2250RK
2019 F-150 XLT, 5.0, 4WD, SB
Curt 17500 WDH, 3.55
GY Endurance, Dexter EZ Flex
SCPO(SW) USN, (Ret), HP: Tampa Bay ⚓️🇺🇸
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Schiefswret does that mean you found the leak?Joseph
Tow Vehicle: 2024 GMC K3500 Denali Ultimate Diesel
Coach: 303RLS Delivered March 5, 2021
South of Houston Texas
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Might help... I had a similar issue with two tires slowly losing pressure. I found the valve cores were passing. I purchased a core tool (and a whack of stem cores) on-line for about $10. I tightened the stem cores and problem solved. My trailer was prone to vibration-related oddities so I made a habit of checking the valve cores as part of the pre-trip routine. (p.s. after having my wheels balanced the cores remained tight and my other vibration issues abated.)Mike & Sonya
2017 Silverado 1500, 5.3, Tow Pkg, RAS
Blue Ox SwayPro
2021 2400BH (DeBunked)
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Originally posted by Jlawles2 View PostSchiefswret does that mean you found the leak?Dave and Sue
2020 GD 2250RK
2019 F-150 XLT, 5.0, 4WD, SB
Curt 17500 WDH, 3.55
GY Endurance, Dexter EZ Flex
SCPO(SW) USN, (Ret), HP: Tampa Bay ⚓️🇺🇸
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Originally posted by Schiefswret View Post
No, just means that I understand what you are saying.
Hope this helps2018 Reflection 150 Series 220RK 5th whee, Star White 2022 F350 King Ranch CC Long bed (HAL) (CCC 4062lbs), B&W 25K OEM Companion,. SteadyFast system, Trailer reverse lights, rear receiver spare tire holder, storage tube, sumo springs, Victron MultiPlus 12/120/3000, Solar, Custom 6K axles upgrade, and other modifications.
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Originally posted by Yoda View PostI fought a very slow leak on my F350 for years until a smart kid at Discount Tire decided to use the water bath after spraying the entire rim with a soap glycerin mixture...
I still think Jim's method of immersing his 297RSTS is the most accurate way of looking for an air leak. (Sorry, jim, I couldn't resist!)
Guest -- is it true you took this picture of Jim checking for an air leak on his 297RSTS at the rally?
Yes, I've had a nip or two of an adult beverage tonight...time for bed!
HowardForum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.
Howard & Francine
2017 Ford F-350 DRW, '19 315RLTSPlus
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Here is the link to the soap/glycerin solution for checking leaks https://www.hunker.com/13417536/how-...detection-soap- Fill a quart jar with clean water.
- Measure and add 3 tablespoons of dish detergent. Dawn makes the biggest bubbles per my kids way back when.
- Add 2 teaspoons of liquid glycerin to make the bubbles last longer, which makes them easier to detect.
- The solution becomes more effective if you leave it overnight in an open container. In fact, the longer you leave it, the better the bubbles it produces.
Hope this helps
Keith2018 Reflection 150 Series 220RK 5th whee, Star White 2022 F350 King Ranch CC Long bed (HAL) (CCC 4062lbs), B&W 25K OEM Companion,. SteadyFast system, Trailer reverse lights, rear receiver spare tire holder, storage tube, sumo springs, Victron MultiPlus 12/120/3000, Solar, Custom 6K axles upgrade, and other modifications.
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