I discovered this on the tire “NEVER EXCEED 40 PSI”

Keep reading, that is only "to seat beads" which is only during mounting the tire to the wheel.

 

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Best efficiency leave it at 42 PSI or if you want more smooth ride start at between 38-42 PSI...depending on the weight you carry or number of occupants most of the time......more weight more towards the 42 PSI you wanna go.

 

Today, I wanted to check my tire pressure and wanted to make sure the are at or near the recommended tire pressure. I check the side of door and the sticker recommended 42psi. I went to look at tire for the maximum and it said 50 psi. While looking at the tire more closely, I discovered this on the tire “NEVER EXCEED 40 PSI”
Would this affect any tire warranty?

There s/b a tire pressure placard near the bottom of the driver's B pillar. Depending on the load and no. of passengers.

IMMSMW,
2 passengers + 1 luggage F/R: 36/36
5 passengers + 3 luggage F/R: 39/45

 

I really dislike the high pressure. I live in PA and it's bumpy here. It makes for a rough ride.

 

All design is compromise. Less rolling resistance in a firmer tire but then potentially a less comfortable ride.

 

Have you ever tried 40 or 44 psi? As i know 40 psi is good for tire. I have seven years experience running my cars at 40psi with no problems.
Read this to know more info Is 40 PSI Good pressure? Guides For Newbies - DrivingPress

 

Have you ever tried 40 or 44 psi? As i know 40 psi is good for tire. I have seven years experience running my cars at 40psi with no problems.

40 psi might be good for some vehicles, and might be bad for others. It depends on the tire size, load rating of the tire, and the weight/load capacity of the vehicle to determine the optimum tire pressure. A Ford F250 calls for 60-80psi for example, and my wife's prior VW Beetle called for 29 psi. 40 psi in either of those vehicles would cause dangerous handling characteristics and horribly uneven tire wear.

 

Suitable PSI levels are from 40 psi – 42 psi. you can also exceed the recommended PSI, but only 3 more PSI. It gives slightly better fuel efficiency and better handling.

 

Suitable PSI levels are from 40 psi – 42 psi. you can also exceed the recommended PSI, but only 3 more PSI. It gives slightly better fuel efficiency and better handling.

If that's "suitable" for you fine, but that's not the VW recommended suitable pressure range. It of course is also very dependent on your typical loading (solo, multi-occupant, cargo, etc.), with heavily loaded rear in that higher range.

The Euro loaded-variable range I prefer:

But then tire pressure ranges are as personally contentious as ICE oil brands/viscosities (Mobil 1 0w-40 Euro my preferred).

Oh, and contrary to an earlier posting, higher pressure tires do not render better handling in normal street driving. They do provide less roll resistance and thereby better battery endurance, at the expense of handling, comfort, and tire itself endurance.

 

Times have changed, that's for sure! I have mine set at 36/38 because even that sounds like a really, really high pressure from the old geezer viewpoint. 1960 Beetle instructions: