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Alert TPMS SENSORS ON RUBBER STEMS MAY CAUSE VALVE STEM FAILURE!

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sheridany

RVF Supporter
Joined
Nov 14, 2019
Messages
1,496
Location
Orinda, CA
RV Year
2017
RV Make
Prevost
RV Model
Marathon #1250
RV Length
45
Chassis
Prevost
Engine
Volvo D13
TOW/TOAD
2015 Jeep Trailhawk
Fulltimer
No
I went to a couple of tire shops today to see about metal stems on the toad. My 2015 Jeep Cherokee trailhawk has an on-board tpms in addition to the eez tire sensors I run on the toad valve stems for flat towing. To change out to a compatible stem for my vehicle was expensive. They (Big O) wanted $98 per stem and 30 per wheel to remove the tire change out the internal tpms and stems. I checked a couple of other shops and they were comparable. The stems and tpms had to be ordered so they will be here tomorrow. Since I bought my current vehicle tires from Big O I asked for a break and they cut the install to 15 per tire. Not bad but still expensive. It’s a good recommendation so I am going forward.
 

CaptainGizmo

RVF Expert
Joined
Nov 3, 2019
Messages
687
Location
SoCal...relax, we're one of the good ones! ;-)
RV Year
2015
RV Make
Newell
RV Model
2020P
RV Length
45
TOW/TOAD
2017 Ford F-150 Raptor w/AF1 Braking
Fulltimer
No
I've been working with a few Jeep owners.

They've just bought a set of HUF Intellisense stems and sensors from my reference. The sensors are pre-programmed at the factory so you don't have to pay any extra fees at the tire shop (they love to nail you for that!). His cost was only $43 per wheel; $234 for a set of 5, with tax and shipping.

 

A-Texan

RVF Supporter
Joined
Jan 16, 2023
Messages
51
Location
Texas
RV Year
2022
RV Make
Gulfstream Kingsport Ultralite
RV Model
199RK
RV Length
23
Fulltimer
No

🛑
📢
DON'T GET A TOAD FLAT
❗️


THIS POST IS SPECIFICALLY TO ADDRESS USING TPMS SENSORS ON YOUR TOWED (TOAD) VEHICLE - NOT YOUR RV (hence the reason this is posted in the TOAD VEHICLES sub-forum)!

MOUNTING TPMS SENSORS ON RUBBER VALVE STEMS CAN CAUSE THEM TO FAIL!

IN FACT, MANY TOP MANUFACTURERS RECOMMEND USING METAL STEMS FOR THIS VERY REASON.


View attachment 16577


After hearing of yet another valve stem failure (third one in a year), I thought I'd put this out here.
The TPMS sensors weigh around 22 grams, and that is just too much centrifugal mass for the RUBBER valve stems to hold as the tire spins and bounces along the road...ESPECIALLY for you off-roaders! Eventually, the stem will fail, right at the base and you may not even notice it until the worse time; when you're driving.

If you're lucky, like we were, the failure happened on a 115º day parked just a few feet from a tire shop. If you're not lucky, you'll have a catastrophic event as you're towing down the road; far from help!
I have TWO RECOMMENDATIONS:
  1. REPLACE YOUR STEMS WITH HIGH-QUALITY METAL ONES!
    Don't cheap out; my shop had these name-brands for $30. You'll need to find a model that's compatible with your factory sensors, if you have them, which mount to the base of the stem inside the wheel.
  2. REMOVE YOUR SENSORS WHEN NOT TOWING!
    Yes, why cause battery drain and unneeded stress when the TPMS systems isn't being used? Instead take'em off and toss them into a bag. I use high-strength P-TOUCH labels to identify them...gotta be sure they go back on the correct wheel!

This happened just yesterday on a friend's Jeep. FortI justunately, he found it while he was local and was able to take it to a tire shop.

View attachment 16578
I just want to say thanks for posting this, I was unaware. The last travel trailer I happened to buy that we use now just has a single axle rather than 2 axles, so I decided to invest in one of these add on tire pressure monitors, considering we only had two tires, I wanted to make sure they maintained good pressure while driving and be warned if there were a change before anything catastrophic happened. I went ahead and ordered a set of steel valve stems to have installed.

Thanks,
A-Texan
 

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