Mine did this the other day when the crank itself had gotten partially loose (the screw had been backing out). Try holding it in and turning before pulling to door apart.

- Aaron
'87 westy

On Feb 13, 2013, at 7:34 PM, Tom Carchrae <tom@CARCHRAE.NET> wrote:

> I went to roll up my window today, and it went up an inch, made some kind
> of pop/clunk, and then the handle span around.  It seemed to catch slightly
> at a certain point in the rotation and go up a tiny bit, but only once or
> twice.  I then tried the