Is It Possible Over Tightening Cause An Air Leak On The Inflation Kit?
Updated 12/29/2025 | Published 12/12/2025
Question:
I got these extensions for my class c, 2013 E450 dually. I also have a tire monitoring system. Since I have installed them the 2 outside tires continue to leak. I am not sure what to do to fix this I have tried tightening them down. Is it possible they were over tightened and need new o-tings. It’s a small leak but very inconvenient with us being on the road. The inside ones are working perfectly. This is a real problem though and I need help fixing. Thanks we are heading on a trip for Christmas so I need answers if possible.
asked by: Kyle B
Expert Reply:
Hey Kyle,
There is definitely a chance they were over tightened and the o-rings were damaged causing that slow leak. That by far is the most common cause of a leak with these valves. It is best to tighten by hand until it is snug, and then use a wrench to tighten once more. Unless there is any noticeable physical damage, I would say over tightening is the cause.
Where are you heading to this Christmas?
Product Page this Question was Asked From
TireMinder 4-Hose Inflation Kit - 16" to 19.5" Dually - Hub Mount
- Tire Inflator
- Inflation Kit
- 16 - 19-1/2 Inch Dual Tires
- Dually Vehicles
- Off Road Vehicles
- RVs
- TireMinder
more information >
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on Tire Inflator
Nick S.
12/29/2025
Hey Kyle, did replacing or adjusting the o-rings on your TireMinder extensions stop the slow leak on your outer tires? Your update could make it easier for others dealing with the same issue on their dually setups.