Last weekend, at short notice, we were able to ramble across Oregon.  Hood
River on the Columbia River to the Strawberry mountains on the south
eastern edge.. ended up being about 800 miles, lots of hills and a huge
headwind coming home along the Gorge..Rather than actually properly
removing my left axle to do that noisy side, at the 11th hour before we
left (getting wise about taking right off on a remote adventure after
fixing anything critical)..and of course the outer CV was the one making
noises...I rigged a short section of vacuum line to one of my SO's horse
syringes... Inserted that line through the boot with the help of a
screwdriver.  I filled the syringe twice (one whole tube of CV grease)  and
squeezed the grease on two "sides" of the joint... The vacuum line I cut to
length so it went into one of the spaces in the CV....It must have been
pretty dry, haven't serviced that side ever... I'll do it properly when I
do the wheel bearing soon.   Anyway, It's now smooth and quiet, and I
didn't spoil a trip with a stripped or broken bolt at the last minute...