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05-29-2014, 05:50 AM
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#1
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Senior Member
Join Date: Jul 2012
Location: Fulton, NY
Posts: 958
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TST 507RV Tire pressure monitor with metal valve stems
I picked up a used TST 507RV kit from a member here and installed it on the rubber valve stems of my 26BH. I had read mixed reviews on whether or not the rubber valve stems would pose an issue so I decided to just run with it.
Mounted the display on the dash with double sided tape that came with it.
We hauled the camper on 2 trips so far and it really is a very nice system. I could feel I had a right side brake dragging a touch more than the rest because the Propride hitch actually causes the truck to pull slightly to the right when applying brakes. The temperature of the right rear tire runs about 10 degrees hotter than the others. All I need to do is back off the brake adjuster a couple clicks. No problem as I just serviced the brakes/bearings last fall.
I did notice an issue though after the 2 trips...
The rubber valve stems were flexing enough all 4 sensors were rubbing on the rim. Time for steel valve stems!
__________________
2017 28BHBE Kitchen skylight, remote control and Aluminum wheels hitched by ProPride 3P
2017 Ram 2500 CC LB 4x4 Big Horn Cummins
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05-29-2014, 05:57 AM
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#2
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Senior Member
Join Date: Jul 2012
Location: Fulton, NY
Posts: 958
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I went to NAPA and picked up 4 of their chrome plated clamp-in tire valves, part number 90-438. These come with 2 sizes of rubber seals for the 2 different sizes of stem holes. They are rated to 200 psi as well.
Jacked up the tire I wanted to dismount...
Now is the hard part. How do I break the bead to install the new valve stems? First, remove the sensor and then the valve stem guts to relieve pressure. Then I pulled out my Hi-Lift jack and used the trailer tongue as my counter weight.
__________________
2017 28BHBE Kitchen skylight, remote control and Aluminum wheels hitched by ProPride 3P
2017 Ram 2500 CC LB 4x4 Big Horn Cummins
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05-29-2014, 06:02 AM
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#3
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Senior Member
Join Date: Jul 2012
Location: Fulton, NY
Posts: 958
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Works like a charm! Go slow until the bead breaks. I just kneeled on the opposite side and used 1 hand on the jack and one on the handle. You don't want the Hi-lift to kick out!
Once the bead was popped all the way around, I just kneeled on the tire with the valve stem between my knees and cut the rubber stem out and carefully placed the new steel stem in. Then placed the conical washer and nut and tightened down with a 9/16" deep well socket. I couldn't find a torque spec so I just went until tight and stem was starting to spin. Hooked up and air nozzle and seated the beads.
Completed install. Mounted tire and torqued the lugs to 100 ft#.
__________________
2017 28BHBE Kitchen skylight, remote control and Aluminum wheels hitched by ProPride 3P
2017 Ram 2500 CC LB 4x4 Big Horn Cummins
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05-29-2014, 06:12 AM
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#4
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Senior Member
Join Date: Mar 2013
Location: Planet Earth
Posts: 6,818
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Good thought on popping the bead seal.....curious if you had the tires re-balanced?
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05-29-2014, 06:16 AM
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#5
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Senior Member
Join Date: Jul 2012
Location: Fulton, NY
Posts: 958
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I did not have them balanced. They were not originally. Not sure if the extra weight will be an issues or not.
__________________
2017 28BHBE Kitchen skylight, remote control and Aluminum wheels hitched by ProPride 3P
2017 Ram 2500 CC LB 4x4 Big Horn Cummins
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05-29-2014, 11:36 AM
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#6
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Senior Member
Join Date: Dec 2009
Location: Maplesville - Home Base
Posts: 3,059
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I had my metal stems mounted with the new tires and did have the sensors on for the balancing. I don't know how much difference the weight of the sensors would make since I had them on during the balancing.
__________________
Ed
KM4STL
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50X, TST Systems 507 TPMS, RV Flex Armor Roof
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05-31-2014, 05:51 AM
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#7
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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I had mine valences when adding the metal stems. Did not leave the sensors on got that.
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Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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06-03-2014, 07:14 AM
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#8
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Junior Member
Join Date: Jul 2013
Location: Southeastern Michigan
Posts: 16
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I just bought a similar TST system but with the flow-through sensors. When mounted to the stems on the aluminum wheels, they stick out too far for my liking. If, for example, I were to drag the tires along a curb (not common, but hey, I'm not perfect), the sensors would grind against the curb and likely suffer serious damage. Consequently, I plan to install 90° metal stems, which would keep the sensors inside the width of the tire. Anybody else do that?
__________________
2019 Jayco White Hawk 24MBH
2016 Ford Expedition 3.5L EcoBoost
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07-05-2014, 05:54 PM
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#9
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Senior Member
Join Date: May 2014
Location: Ottawa - Canada Eh
Posts: 405
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Quote:
Originally Posted by Ghostqix
Anybody else do that?
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I posted this in the larger Thread for the TST sensors but just to reply to your question and for the benefit of readers that might visit this thread, Here is what I had done.
__________________
Wayne, Kim, Mallory & Abby the Dog
2013 - Jayco Jayfeather - X20E
2012 - Toyota Tacoma DBLCB Sr5 with towing package
Equalizer 10k WD, Prodigy P3 Controller, TST TPMS
2012 - Jayco Sport 10 Popup - Traded
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07-05-2014, 07:42 PM
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#10
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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I hope you have success with those stems. I had leaks until I went all metal.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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07-05-2014, 07:59 PM
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#11
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Senior Member
Join Date: May 2014
Location: Ottawa - Canada Eh
Posts: 405
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Quote:
Originally Posted by norty1
I hope you have success with those stems. I had leaks until I went all metal.
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Frisby Tire here in Ottawa is a long time respected business but they seemed to imply that all metal was an issue for them. Then even flipped through part catalogues and this is what they came up with. I've seen the all metal stems online but have no idea what to order, or if they would work on my rims. If someone could point me in the right direction I would be much obliged. Reading threads never seems to reveal an actual source and type/product number
__________________
Wayne, Kim, Mallory & Abby the Dog
2013 - Jayco Jayfeather - X20E
2012 - Toyota Tacoma DBLCB Sr5 with towing package
Equalizer 10k WD, Prodigy P3 Controller, TST TPMS
2012 - Jayco Sport 10 Popup - Traded
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07-06-2014, 05:42 AM
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#12
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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TST 507RV Tire pressure monitor with metal valve stems
I bought mine at Advance Auto Parts. They fit both size holes depending on the gasket you use. They were in a 2pk for about $5 bucks.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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07-06-2014, 07:09 AM
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#13
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Senior Member
Join Date: Jul 2012
Location: Fulton, NY
Posts: 958
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Quote:
Originally Posted by Dagwood
Reading threads never seems to reveal an actual source and type/product number
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I posted the source and part number in the very first post...
__________________
2017 28BHBE Kitchen skylight, remote control and Aluminum wheels hitched by ProPride 3P
2017 Ram 2500 CC LB 4x4 Big Horn Cummins
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07-06-2014, 06:14 PM
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#14
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Senior Member
Join Date: May 2014
Location: Ottawa - Canada Eh
Posts: 405
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Quote:
Originally Posted by LiftedAWDAstro
I posted the source and part number in the very first post...
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Sorry, I meant 45 degree stems. The ones you used would stick out to far one the 507RV sensors are added. Being Cdn also presents challenges. I just seems nothing is easy to find that wouldn't involve high ship Costs and Duty/brokerage. I will scan that sight again. Thanks.
__________________
Wayne, Kim, Mallory & Abby the Dog
2013 - Jayco Jayfeather - X20E
2012 - Toyota Tacoma DBLCB Sr5 with towing package
Equalizer 10k WD, Prodigy P3 Controller, TST TPMS
2012 - Jayco Sport 10 Popup - Traded
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07-07-2014, 12:55 PM
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#15
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Junior Member
Join Date: Jul 2013
Location: Southeastern Michigan
Posts: 16
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I wish I'd seen Dagwood's photos before I bought and installed my 90° metal stems. After you add the flow-through sensor, there's not enough room to get an air chuck on the stem. Bummer. I ordered a set of the 45° stems and will install those.
The good news is that the TPMS system caught a slow leak at one of the newly installed stems and prompted us to top off the air on our way up north for the weekend.
__________________
2019 Jayco White Hawk 24MBH
2016 Ford Expedition 3.5L EcoBoost
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