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aluminum tire valve caps
For anyone like me who is vain enough to get those cool Al tire valve caps
with "Audi" enameled on them - WRAP THE VALVE THREADS WITH TEFLON TAPE.
Perhaps there are also other ways to keep the Al cap from "binding"
(hopefully some more metallurgically-inclined list members can explain what's
going on) to the brass(?) valve, but whatever it takes, DO IT.
I did wrap teflon tape around the threads (as instructed to on the box) when
I first put the caps on, but evidently it deteriorates with time and harsh
winters. Long story short, I pulled the whole valve right out while trying to
get the valve cap off, rapid decompression ensuing. I was able to pop the
valve back in, pump it back up, and tiptoe over to the corner gas station to
get the valve replaced. Of course I picked the morning I had scheduled an A8
test drive to mess around with this! Still made it on time, though. I won't
bother to add more praise to that already expressed on the list for the A8,
but will just say it is totally worthy of it all.
North Wales, PA