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Old 08-21-2019, 03:46 PM   #43
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I can only speak to the TST sensors, but there are three tiny screws on the underside of the outer shell. Remove the screws and you can take the shell off. It's nothing more than an outer casing that turns freely so that you have to use the tool to remove the sensor. The inside sensor looks exactly like the outer casing, just a bit smaller. With the outer casing off, you can turn the sensor just like a regular valve stem cap plus it's a little lighter. I've never had anyone tamper with the sensors even with the anti theft shell off.
MONEY! Thanks. Getting the tool and the sensor between the dualies is a pia, this will be a lot easier.
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Old 08-21-2019, 03:59 PM   #44
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I cannot think of a situation where you would need to reduce tire air pressure.
Go from sea level to 6,000 feet above sea level....
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Old 08-21-2019, 10:44 PM   #45
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Go from sea level to 6,000 feet above sea level....
Again, that is a personal preference, not a requirement. Do you thing tour bus's do that?
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Old 08-22-2019, 07:20 AM   #46
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Again, that is a personal preference, not a requirement. Do you thing tour bus's do that?
For maximum tire wear and safety they should, but regrettably the drivers probably don't....
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Old 08-23-2019, 06:39 AM   #47
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Again, that is a personal preference, not a requirement. Do you thing tour bus's do that?

I just did more research and it is only a 3 PSIG difference between sea-level and 6,000 feet above sea-level, so you probably don’t have to adjust for altitude.

I read the article HERE
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Old 08-23-2019, 07:49 AM   #48
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Altitude affects engine performance more than tire air pressure. Temperature affects tire pressure more.
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Old 08-23-2019, 09:48 PM   #49
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Got the 6 gal pancake from Lowes (Craftsman brand) $99. Same as the other 6 gallon except “assembled” in US. Works great, 150psi
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Old 08-24-2019, 09:55 AM   #50
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I removed the anti-theft caps this morning. Easy peasy lemon squeezy!! The Bostitch pump worked great. Plugged my extension cord into an outlet in the "entertainment" bay and aired up the tires in no time (they were all between 90-95 psi).

My next question is tire pressure. What's a good place to start? I haven't weighed the coach yet (heck, it hasn't even been loaded up yet) so I'm not sure what I should have in the tires. I went with 105 psi based on the what the tires had listed for max loads "at 110 psi cold".

Suggestions?
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Old 08-24-2019, 03:33 PM   #51
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My next question is tire pressure. What's a good place to start? I haven't weighed the coach yet (heck, it hasn't even been loaded up yet) so I'm not sure what I should have in the tires. I went with 105 psi based on the what the tires had listed for max loads "at 110 psi cold".

Suggestions?
Start with the MH recommended cold PSI (entry door jamb sticker) load the coach full gear, fuel, LP and fresh water(if you usually travel with fresh water) and head for the scales.


This article lays it out nicely:


How to: Weigh a Motorhome | MotorHome Magazine
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Old 08-25-2019, 07:53 AM   #52
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My next question is tire pressure. What's a good place to start?
Start here. Everything you could possibly learn about tires.
RV Tire Safety

My guess is though, after you get your rig all loaded up, weigh it, then check the tire manufacturer tire charts, you won't need to be anywhere close to 110lbs. I'll bet you'll end up somewhere around 85-90lbs. all the way around.

Over inflation is just as bad as under inflation. You need to find what your true inflation should be.

Also that article that was linked above (it's very good BTW). Between these two links, you have all what you need to get your correct pressure.
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Old 08-25-2019, 03:56 PM   #53
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My TPMS will cycle through all the tires showing temp and pressure. Check your manual. Maybe no need to remove caps. Do this after a few minutes of driving to get current numbers.
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Old 08-25-2019, 03:57 PM   #54
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Our MH tires take 90-95 psi. Gas station air generally only goes to 80 psi. That's why we carry a 120v compressor.
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Old 08-25-2019, 04:18 PM   #55
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Porter Cable is what I use. It's not a pancake, but it only weighs 20lbs and adds air very quickly.
X2 easy to store . Had tire go down while leaving a
Campground so glad we have TPS . TPS censor leaked my fault didn’t lock it down . Fixed my mistake aired up an all good. Would have been big problem without an air compressor
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Old 08-25-2019, 04:23 PM   #56
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agree I have one also

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I like our 12v VIAIR 450 RV compressor. Handles the large tires and high pressures well while being compact.
Agree and you can get a handy kit to make winterization easier.
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