My 1983 Westphalia steering became stiff yesterday with some real sticky sections.  Today, to
isolate the problem, I unhooked the tie rods.  Since the problem was coming from the steering rack,
I pushed a bunch of grease into the steering rack tube on the rack shaft side.  After working the
steering  back and forth for a while it seems to have freed it up, at least temporarily.  I drive
through a creek everyday so it makes sense that the mechanism has acquired some rust or some dirt.

But then I looked in the Bentley manual and spotted this: "Caution.  Only use special steering gear
grease part # AOF 063 000 04 to lubricate steering gear"  I used regular wheel bearing grease and
I'm wondering what it would be incompatible with...the rubber boot, seals?  Would CV grease (moly)
be a better choice.  What I want to do is pack some grease in the rubber boot so that it will work
itself into the unit over time, hopefully extending it's life.  I could also wire brush the rack
slots but they didn't look too bad, just had a red-orange coloring.

Any ideas about this?

John