You could take it off and flush it with R-11. Which makes for a excellent cleaner. But of course you'll need a EPA licence to get it. Or try carb or brake cleaner, it will evaporate as well.

01' TJ Wangler, 6" Ruff Country X Series, 35" x 12.5" Mickey Thompsons On 15 x 10" rims w/ simi Bead Lock, Matching Warn Bumpers, 9500xi Warn Wench, Tom Woods Drive Shaft And SYE, And A K+N Cool Air Intake. Still Improving