Jack up a wheel, and add a quart of Diesel fuel, then run the truck in high gear at idle for a few minutes. The gears will circulate the solvent and do a better job of cleaning than you can possibly do by removing the cover. Drain, let it sit overnight, and refill with fresh lube.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!