Quote:
Originally Posted by Mike in AZ
The owners manual I downloaded today for the 2017 Challenger says "Check
tire pressure after the vehicle has been parked for at least one hour. Inflate tires to recommended pressure as indicated on the Federal Certification Label located above the Drivers area."
I won't actually have my new Challenger 37LX until Thursday so I can't look for it, sorry.
I'm also wondering about the value of purchasing and setting up a TPMS for my Challenger. Anyone have any thoughts on that?
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Mike, I wouldn't run down the highway without my TPMS on and working. I want to know the temp and psi of my tires, plus have the benefit of an alarm sounding if I start dropping pressure in a tire.
Just a word of caution about setting your psi initially. You can load up and run it across a scale for $10 and then consult your tire manufacturers guide for more precise psi, or go by placard in your coach. You will probably be setting them somewhere between 85 and 95. But you want to set them all when they are in the shade and at the same time. DO NOT KEEP ADJUSTING ONE OR TWO DURING A TRIP. Unless there is something wrong with one of your tires they will not bleed off pressure during a trip. If I turn on my TPMS just as the sun is coming up it shows all of my tires within 2 pounds of each other. They are all in the same temp conditions with no sun on them. Now if at 10am I start checking them I will find that the ones on the sunny side of my coach show 3 to 5 psi higher. So if I let air out of those they will be low by that much when running down the interstate. Get them set right the first time and leave them alone. Trust your TPMS. IMHO a TPMS is about the most important piece of safety equipment you can have on a larger RV.
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