help what tire psi for 235/40/18 ,thanks
09-03-2007, 07:46 AM
#4
AudiWorld Super User
That's weird my door sticker says 36 psi.
09-03-2007, 12:08 PM
#6
AudiWorld Super User
Maybe that's it. Mine came with Pirelli P6 "No Seasons" which I prompty swapped for SportMaxx.
I've been running 38 on the SportMaxx, but perhaps should go higher.
Yes, 235/40-18
Yes, 235/40-18
09-03-2007, 12:29 PM
#7
AudiWorld Super User
I think I see what it is by RTFM. There's no listing for 235/40-18 All-seasons.
And the door label is for "recommended cold tire inflation pressure for the vehicle at its maximum capacity weight and tires that were on your vehicle at the time it was manufactured."
So the 39 PSI on Casper's matches what the manual says to have for a full load condition 235/40-18 XL High Performance. There just is nothing in the manual's table for 235/40-18 XL All-Season tires. (Which is apparently 36 PSI.)
So the 39 PSI on Casper's matches what the manual says to have for a full load condition 235/40-18 XL High Performance. There just is nothing in the manual's table for 235/40-18 XL All-Season tires. (Which is apparently 36 PSI.)
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