Cleaned mine yesterday with Simple Green. I put a plastic bag over the alternator to keep from getting wet. Let it sit about 5 minutes and hosed off,looks good. This was with a cold engine. I put it in neutral and pushed it out of the garage.
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2001 quadcab slt 2500 HO 6spd. LWB,2wd,dk garnett red, trailer tow package,camper special, anti spin 3. 54 axle, speed liner,oversized stainless steel chicken slide,66 gallon in bed aux. tank,K&N air filter,Reese 20k hitch, Terry 2000 EX 30ft. double slide 5er, 2000 20ft gooseneck for haulin jeep, firewood and huntin stuff. 5X12 tagalong for haulin the 4 wheeler. Okie Newton