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 on: February 12, 2017, 09:10:33 am 
Started by Two Hams in a Can - Last post by Two Hams in a Can
Oh, the valves will be metal fer sure.  All of our past fulltiming RVs had steel valves.  The previous owner of our "Fawkes" left us with new tires that have steel valve stems. . .just two rear outboard tires aren't accessible!  Go figure.  shrug   Cheers

 on: February 12, 2017, 08:00:00 am 
Started by Two Hams in a Can - Last post by fandj
Our unit came with steel valves.  It also came with braided stainless extension for the back.  I had TST tire pressure/temperature sensors.  I was not happy with the rear tire valves.  Based on comments from others on the various motor home forums I replaced all the rear tire valves with Borg valves. The TST sensors seem to work well with them.  Tire Man is another brand that many others have been satisfied with.  The valves came with a rubber grommet to mount in the wheel to help support the long valves.  I think this is particularly important when adding the weight of the sensor.

 on: February 12, 2017, 12:27:05 am 
Started by Two Hams in a Can - Last post by jatrax
As I understand it, if the valve stems are steel there is no problem.  I was researching TPMS systems and came across at lot of complaints about the valve stem failure after a TPMS was installed.  The problem occurred with different TPMS systems and different coaches.  The common thread seemed to be that the valve stems were rubber, not steel.  The recommended action was to have rubber valve stems replaced with steel.

I have not heard of this issue with any Phoenix unit, so possibly they have always come with steel valve stems and it is not an issue on our rigs.

Also, your extenders shown have a clip that anchors the extenders to the rim I believe.  That also seems to solve the issue as there is no chance the rubber stem is going to be rubbing or bouncing against the rim as reported by the people with failures.  Some people reported failures with similar extenders as you show, but only after the clips came loose.

Not trying to alarm anyone, it is likely not an issue with PC's, just something to be aware of.

 on: February 11, 2017, 11:58:18 pm 
Started by Two Hams in a Can - Last post by ron.dittmer
I went down to the garage to check out our 2007 PC with the stainless steel valve extenders.  We have very short seemingly steel valve stems.  The outer tires have a 180 degree steel valve extender and then the stainless steel braided lines.  The arrangement seems ripe for fatigue failure.

It is hard to tell without taking it apart, but I think we have this which seems worse than a TPS hanging on the end of the valve stem.

 on: February 11, 2017, 10:54:50 pm 
Started by Two Hams in a Can - Last post by jatrax
Just in case you are not aware, adding extensions and a TPMS has led to failure of the valve stems if the stems are rubber not metal.  I think, but I'm not sure that Phoenix uses metal stems now, but not sure what was used in the past.  Lots of reports of flats caused by the slight extra weight of the TPMS sensors causing the valve stem to fail.  Kind of ironic that the device you add to monitor tire failure actually causes tire failure.

Not to worry you, but you might ask the tire shop about the valve stems already mounted.

 on: February 11, 2017, 10:51:15 pm 
Started by magnumiii - Last post by jatrax
As I posted before, I have a Proclip mount which attaches to the dashboard right in front of the upper air vent.
Thanks for the links, I was looking at the RAM mounts but the proclip for the E-450 is exactly what I was looking for.  Just ordered it.

 on: February 11, 2017, 10:16:39 pm 
Started by Two Hams in a Can - Last post by Two Hams in a Can
Thanks John.  I took another look and don't see one even pointed back in.  Taking "Fawkes" to an RV shop to have extensions done on all six so I can use my new   Cheers

 on: February 11, 2017, 08:31:44 pm 
Started by Two Hams in a Can - Last post by jfcaramagno
The outside valve actually faces in toward the inside wheel. Very difficult to see.

 on: February 11, 2017, 08:18:43 pm 
Started by hutch42 - Last post by jimmer
We were very satisfied with the 10 year old unit we bought from PC's lot.  Like-new clean, everything worked as it should.    Spent the night in the PC parking lot with a tank of water and
30 amp hook-up,  testing and familiarizing with everything.   Found no issues but they said we could stay another night if we wanted to keep trying !         I wouldn't bother with hiring an
inspection.     One thing about PC,  they take a lot of good photos,  plus the video of each unit.    We also drove it  extensively that night at the factory,  around Elkhart and nearby towns,
great for  peace of mind.

 on: February 11, 2017, 03:37:36 pm 
Started by ron.dittmer - Last post by ron.dittmer
It has been a good long while since I followed up on this.

The two Sam's Club Duracel 6V AGM batteries in the house are serving us extremely well with never a mess of checking acid levels and cleaning up boil-overs & battery terminals.  With the house-battery volt meter installed in my kitchen hood monitor panel, and a second volt meter plugged into my Ford V10 chassis cigarette lighter outlet in the dash, I monitor both house and engine battery voltages all the time, and they tell me everything is doing quite well.

I found it odd that both volt meters read the same all the time when the engine is running, just shy of 14.0 volts.....~13.8v, and it never seems to change whether driving on the open road or idling.  Apparently the Ford V10's alternator/regulator just pumps out a consistent ~13.8 volts regardless of load or lack there-of.

Just after the V10 engine is turned off, all batteries quickly settle to around 12.7 volts unless a load is present...something turned on, especially popular with the house batteries where it could drop to around 12.5 volts.

The Ford V10 chassis battery is easy to ignore since it doesn't get used much when parked.  I never let the house battery voltage drop below 12.1 volts.  I'll charge them up with my Black & Decker charger running off the generator for a quick efficient recovery.

The two volt meters have taught me a lot about the health and care of our batteries.  I am so glad I have them.

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