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Old 05-14-2015, 02:13 AM   #1
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Default Tire Pressure Monitoring Systems

We have a 2015.5 Unity TB to be delivered, hopefully, by early July. I read a lot about the importance of monitoring tire pressure. The dealer tells me that any Sprinter product with a "cut-away" chassis does not come with a tire pressure monitoring system.

The dealer is recommending one from Valor as the most reliable. It costs $1,320 installed. They say other systems are not that reliable.

My question: How important is this? Are other Unity owners having them installed? Should I just have it checked regularly and forget a TPMS?
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Old 05-14-2015, 02:34 AM   #2
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Default Re: Tire Pressure Monitoring Systems

I would love to have a built in and totally reliable TPMS on my Unity because the dealer is correct - we do not have anything like that built in. That said there is a certain flinch factor that comes up for me with the installed $$$ you cite.
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Old 05-14-2015, 02:41 AM   #3
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Default Re: Tire Pressure Monitoring Systems

Tire pressure is an important safety issue and this forum has had lengthly discussions on the meritis of TPMS versus manual monitoring. Personally I have decided to have the Tireminder system installed on my Unity MB shortly after delivery in next couple weeks. A ball park figure is around $550 including installation and necessary valve stem changes. I understand that the system is reliable.
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Old 05-14-2015, 02:43 AM   #4
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Default Re: Tire Pressure Monitoring Systems

I got a Duran 360RV6 system for $364.

http://www.rvupgradestore.com/Doran-...r-p/360rv6.htm

Trivial to self-install (as long as you have metal valve stems). Works great.
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Old 05-14-2015, 02:44 AM   #5
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Default Re: Tire Pressure Monitoring Systems

Tire pressure is an important safety issue and this forum has had lengthly discussions on the meritis of TPMS versus manual monitoring. Personally I have decided to have the Tireminder system installed on my Unity MB shortly after delivery in next couple weeks. A ball park figure is around $550 including installation and necessary valve stem changes. I understand that the system is reliable.
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Old 05-14-2015, 05:39 AM   #6
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Default Re: Tire Pressure Monitoring Systems

Take a look at the TireTraker TPMS. I use it on our Geo Tracker toad, not the Sprinter, but it has worked perfectly for the past few years. A six wheels system is under $300.

The TireMinder system is identical, but costs more.
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Old 05-14-2015, 06:03 AM   #7
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Default Re: Tire Pressure Monitoring Systems

It looks like these systems can be ordered online. Who do yo have install them?
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Old 05-14-2015, 08:03 AM   #8
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Default Re: Tire Pressure Monitoring Systems

It is pretty simple. Do you want an inee or and outee. Lots of opinions here and a big thread about it. But to cut to the chase.

1. Measure your tire pressure manually before a trip, and really on a daily basis if you are ultra careful. (Also change your anode in your home water heater frequently, vacuum the coil on your refrigerator, oil the fan bearing in your furnace blower etc etc.)

2. Get a cheap TPMS system that uses caps on the valve stem. Several available online, but all look like they have similar LCD display so are likely the same Chinese supplier. I have the Tireminder or Tiretracker (box says one thing, order form said another) It seems to work and have tested on several cars and sprinter. Putting the caps on the inner rears takes an act of finger du Soleil. The cheap plastic extenders do not allow the caps to work, so you need to put them on the factory stems deep in the hole. Short fingers will not get you there.

3. Built in sensors - you must take the wheel off, dismount the tire and install them internal. Some use the valve stem to mount, others can be banded onto the rim. Internal system is likely a better solution for the reasons they have on their website, and the version you posted looks more commercial oriented but is almost triple the cost of #2.
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Old 05-14-2015, 12:38 PM   #9
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Default Re: Tire Pressure Monitoring Systems

As a first time RVer, The tire pressures have been my biggest worry, first being able to monitor them and second getting the pressure correct once you get all your stuff in it. Turns out the 61 psi posted on the door frame is to low. Actually the Tire pressure looked low from day one. I have the simulators which makes a big difference on how you can put extenders on because the simulators can move and cause a failure to your extensions so you have to secure the simulators as well. So Finally after many dollars and trial and error I have a reliable setup using the TireMinder 66 as the TPMS. I really like it, it is so easy to check the pressures on the digital display, it has completely taken the Tire situation out of my worry zone. I also bought Viair 400P RV air compressor that makes any pressure fills quick and easy. I installed all myself at a cost of $550, thats extenders, TM66, and Viair compressor. I wasted around $300 figuring it all out, including one flat tire service call while on the road. In hind sight I wish I would have gotten the Alcoa solid rims and then if I needed to add extenders I just would have just screwed on the 6" straight valve extenders on the inner rear tires and then I would have screwed on the Tire Minders and been done. It's very easy to do oneself and the worry would be gone away for right around $300 and the get yourself a good portable air compressor like the Viair for $200 and your off.
I think $1300 is spendy but peace of mind is priceless, good luck.
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Old 05-14-2015, 02:56 PM   #10
Chip D
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Default Re: Tire Pressure Monitoring Systems

Quote:
Originally Posted by avanti View Post
I got a Duran 360RV6 system for $364.

http://www.rvupgradestore.com/Doran-...r-p/360rv6.htm

Trivial to self-install (as long as you have metal valve stems). Works great.
I concur with Avanti. The Doran is so easy and gives you such peace of mind. It's the inside tires you always worry about and the Doran makes it so easy.
Went through a Blue Beacon truck wash with my Serenity and came out of the wash, and got back on the Interstate in Indiana right away. It wasn't more than about a minute or two that I got the "Low Pressure" alarm. Was losing air pressure fast on the right rear inside wheel. Turns out that the high pressure washer slightly loosened the sensor (my bad for not tightening it) and there was a slow leak. Never would have known it without a TPMS.
Bought it from RVUPGRADES.
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