Starting fluid also works very well. It works faster than brake cleaner because it contains more alcohol.

We're not talking about drinking it Mark....lol.

But seriously, if you use either the brake cleaner or the starter fluid, try not to breath too much of it, or you'll wake up on the garage floor with a killer headache. Plenty of ventilation is recommended.

Simple green does have a healthier and safer advantage here.

Although.. I used brake cleaner and it worked like a charm.

When you go to refill your system, be sure to read this article:
http://www.bonnevilleclub.com/forum/...=article&k=100
It might save you some headaches that trapped air could cause - and it'* pretty easy to trap on these motors.