Michael Chare wrote:
The wiper blade arm on my car is very hard to remove from the motor
spindle, possibly because that part of the arm is aluminium and the
spindle is steel.Â* Would greasing the spindle be wise and would it make
much difference waht grease I used?



I have a threaded balljoint/track rod end puller that does this job on
cars we've had. Oddly, it bent when I tried to use it on an actual
balljoint.